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Sensors

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WAVE-32387, 2D Codes Scanner Module (E), Barcode / 2D Code Scanner Module, Onboard USB And UART Interfaces
US$122.62
WAVE-32387, 2D Codes Scanner Module (E), Barcode / 2D Code Scanner Module, Onboard USB And UART Interfaces 1D/2D Codes Recognition | DPM Code...
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SENS-HR202L HR202L Digital Temperature and Humidity Sensor
US$1.59

HR202L Digital Temperature and Humidity Sensor – Polymer Resistance Type

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SENS-64-3.3V BME280 I2C Pressure, Humidity, Temperature Barometric Sensor, 3.3VDC
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The GY-BME280-3.3V is a environmental sensor module designed for measuring temperature, humidity, and atmospheric pressure with high accuracy. It supports both I²C and SPI communication protocols, making it suitable for integration with microcontrollers like Arduino, ESP32, and Raspberry Pi.

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6407-ADA, Adafruit BMP581 I2C or SPI Temperature and Pressure Sensor - STEMMA QT
US$17.06
The BMP58x is the next-generation of pressure sensors from Bosch and is the upgrade to the BMP2xx and BMP3xx - with a low-altitude noise as low as 1cm (0.08Pa) and the same fast conversion time.
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6411-ADA BMP580 I2C or SPI Temperature and Pressure Sensor - STEMMA QT
US$13.60

The BMP580 is the next-generation of sensors from Bosch and is the upgrade to the BMP2xx and BMP3xx - with a low-altitude noise as low as 1.5cm (0.1Pa) and the same fast conversion time. 

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6413-ADA BMP585 Ported I2C / SPI Temperature / Pressure Sensor Breakout Board- STEMMA QT
US$22.70

The BMP585 Precision Barometric Pressure and Altimeter Breakout Sensor Board comes  with a low-altitude noise as low as 1cm (0.08Pa) and the same fast conversion time.
And like the previous BMP280, you can use I2C or SPI. For simple easy wiring, go with I2C. If you want to connect a bunch of sensors without worrying about I2C address collisions, go with SPI.

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SENS-SHT35 SHT35 Temperature & Humidity Sensor Module (I²C, Wide Voltage)
US$13.42

The SHT35 sensor module is a high-precision temperature and humidity sensor. Offering improved accuracy and stability, it works through a simple I²C interface and supports a wide operating voltage of 2.4–5.5 V. Suitable for professional climate monitoring, indoor air quality systems, and industrial IoT solutions.

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SENS-SHT31 SHT31 Temperature & Humidity Sensor Module (I²C, Wide Voltage)
US$7.96

The SHT31 sensor module provides accurate temperature and humidity measurements. Using the I²C interface and operating from 2.4–5.5 V, it is easy to integrate into microcontrollers such as Arduino, ESP32, and Raspberry Pi. Ideal for smart home projects, weather monitoring, and IoT applications.

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SENS-31 5–24 V DC (VD01) Smart Hand-Wave Sensor Switch Module
US$7.96

The VD01 hand brush sensor switch allows you to control devices with a simple hand movement. Designed for smart home projects and appliances, it detects motion within 8 cm and activates when a hand passes within 5 cm of the sensor. It operates on DC 5–24 V, making it suitable for LED lighting, mirrors, cabinets, and other touch-free control applications.

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6403-ADA MLX90632 FIR Remote Thermal Temperature Sensor, STEMMA QT/ Qwiic
US$31.62

This is the Melexis MLX90632 FIR Remote Thermal Temperature Sensor- Medical Grade STEMMA QT/ Qwiic, with a 50˚ field of view.

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6388-ADA, QMC5883P - Triple Axis Magnetometer Module - STEMMA QT
US$11.78
This sensor tends to be paired with a 6-DoF (degree of freedom) accelerometer/gyroscope to create a 9-DoF inertial measurement unit that can detect its orientation in real-space thanks to Earth's stable magnetic field.
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CEA-06-UW250A-350 Linear Weldable Constant and Foil Strain Gauge ±5%
US$54.55

The CEA-06-UW250A-350 is the Micro-Measurements strain gauge, specifically a weldable strain gauge from the CEA series. It is a linear, constant and foil gauge encapsulated in a polyimide film with solder pads, designed for spot welding to structures and components. 

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WAVE-31824, IMX335 5MP USB Camera (C), Video Recording 2K, Wide Dynamic Range
US$58.92

The Waveshare 31824 is the IMX335 5MP USB Camera (C) module which is the IMX335 5MP USB Camera (C), with 2K Video recording and cable, better sensitivity in Low-Light condition, Wide Dynamic Range, and Distortion-Free.

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SENS-250-600-DB Double Ball 600mm Normally Closed Stainless Steel Vertical Float Switch Liquid Sensor
US$27.25
It is a 200mm long simple, lightweight and high-reliability Liquid level switch sensor used to sense the level of the liquid within a tank.
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SENS-250-100-DB Double Ball 100mm Normally Closed Stainless Steel Vertical Float Switch Liquid Sensor
US$12.69
It is a 200mm long simple, lightweight and high-reliability Liquid level switch sensor used to sense the level of the liquid within a tank.
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SENS-250-400-DB Double Ball 400mm Normally Closed Stainless Steel Vertical Float Switch Liquid Sensor
US$18.15
It is a 200mm long simple, lightweight and high-reliability Liquid level switch sensor used to sense the level of the liquid within a tank.
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SENS-250-200-DB Double Ball 200mm Normally Closed Stainless Steel Vertical Float Switch Liquid Sensor
US$16.33
It is a 200mm long simple, lightweight and high-reliability Liquid level switch sensor used to sense the level of the liquid within a tank.
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CAM-USB-480P Flexible 480P HD Webcam with Built-in Microphone – ND998
US$13.42
Plug & Play USB Webcam with Built-in Mic, Flexible Stand & HD 480P Video – No Drivers Needed Specifications: Type: USB Webcam Chip:...
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6362-ADA, Adafruit Simple Soil Moisture Sensor - For micro:bit, and more
US$5.32
6362-ADA, Adafruit Simple Soil Moisture Sensor - For micro:bit, and more Perfect for educational uses, the  Adafruit Simple Soil Moisture Sensor...
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SEN-29211, SparkFun Ambient Light Sensor - VEML7700
US$10.69
SEN-29211, SparkFun Ambient Light Sensor - VEML7700 The SparkFun Qwiic VEML7700 Ambient Light Sensor provides accurate, 16-bit ambient light readings...
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WAVE-31715 Smartphone IR Wide Angle Thermal Imaging Camera (C), Type-C Port, Plug and Play, 160 × 120 Pixels, 88° FOV, Aluminum Alloy Case
US$181.77

The Waveshare 31715 is a Wide Angle Smartphone IR Thermal 45° FOV Imaging Camera (C), Type-C Port, Plug and Play, 160 × 120 Pixels Resolution IR Array, Aluminum Alloy Case.

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WAVE-31714 Smartphone IR Thermal Imaging Camera (C), Type-C Port, Plug and Play, 160 × 120 Pixels, 45° FOV, Aluminum Alloy Case
US$181.77

The Waveshare 31714 is Smartphone IR Thermal 45° FOV Imaging Camera (C), Type-C Port, Plug and Play, 160 × 120 Pixels Resolution IR Array, Aluminum Alloy Case.

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WAVE-31197, ESP32-S3 1.64inch AMOLED Touch Display Development Board, Onboard Accelerometer And Gyroscope Sensor
US$40.72
WAVE-31197, ESP32-S3 1.64inch AMOLED Touch Display Development Board, Onboard Accelerometer And Gyroscope Sensor ESP32-S3 1.64″ AMOLED Touch Display...
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SEN-23220 SparkFun Spectral Sensor - AS7343 (Qwiic)
US$35.26

The SparkFun AS7343 Qwiic Spectral Sensor enables users to measure light in both the visible spectrum (VIS) and near-infrared (NIR) ranges, all on a single IC in a compact package.

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KIT-27920 MyoWare 2 Muscle Sensor Development Kit
US$218.71

The MyoWare® 2 Muscle Sensor Development Kit is an Arduino-compatible, all-in-one electromyography (EMG) sensor kit that provides you with all the boards from the MyoWare 2 ecosystem to test out different configurations for your application.

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WL-370-DUAL Dual-Frequency RFID Card Reader – 125 kHz & 13.56 MHz, USB-Mini, Windows Compatible
US$22.52

IC+ID Card Reader

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KIT-27921 MyoWare 2 Muscle Sensor Basic Kit
US$118.07

The MyoWare® 2 Muscle Sensor Basic Kit is an Arduino-compatible, all-in-one electromyography (EMG) sensor kit that provides you with the bare minimum from the MyoWare 2 ecosystem to get started measuring and visualizing muscle activity.

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KIT-27922 MyoWare 2 Muscle Sensor Wireless Kit
US$181.77
The MyoWare® 2 Muscle Sensor Wireless Kit is an Arduino-compatible, all-in-one electromyography (EMG) sensor kit that provides everything you need from the MyoWare 2 ecosystem to test out wireless configurations for your application, and is designed to receive readings from the MyoWare 2 Muscle Sensor and wirelessly transmit sensor data with the included ESP32-WROOM.
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WAVE-31328 GC2093 2MP USB Camera Module, Wide Dynamic Backlight Imaging, Fixed-Focus, Onboard Microphone
US$45.27
The GC2093 2MP USB Camera (A) is a 2MP USB GC2903 Camera module with wide backlight imaging, fixed-focus and onboard microphone. Specifications:...
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WAVE-31337 RP2350 1.64inch AMOLED Display Development Board, 280×456, QSPI Interface, Onboard Accelerometer And Gyroscope Sensor, Dual-core And Dual-architecture Processor
US$36.35
The RP2350-Touch-AMOLED-1.64-M is a high-performance, highly integrated MCU board designed by Waveshare. It features a compact size onboard 1.64inch AMOLED capacitive touch display, 6-axis sensor (3-axis accelerometer and 3-axis gyroscope), RTC chip, TF card slot.
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WAVE-31295 RP2350 1.8inch AMOLED Touch Display Development Board, 368×448 Pixels, QSPI Interface, Dual-core & Dual-architecture Design, Accelerometer and Gyroscope Sensor
US$45.27

The RP2350-Touch-AMOLED-1.8 is a high-performance, highly integrated MCU board designed by WaveShare. It features a compact size with an onboard 1.8inch AMOLED capacitive touch display, power management chip, 6-axis sensor (3-axis accelerometer and 3-axis gyroscope), RTC chip, low-power audio codec chip and so on, making it easy to develop and integrate into products quickly.

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6335-ADA OPT4048 Tri-Stimulus XYZ Color, Temperature and Lux Sensor
US$16.33
The Adafruit OPT4048 Tri-Stimulus XYZ Color, Light Temperature and Lux Sensor is a modern take on the common 'RGB' color sensor: this time with true "CIE"...
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3967-ADA VL53L1X Time of Flight (ToF) Distance Sensor - ~30 to 4000mm - STEMMA QT / Qwiic
US$23.43

The Adafruit VL53L1X Time of Flight Distance Sensor (also known as VL53L1CX) is a Time-of-Flight distance sensor that has a massive 4-meter range and LIDAR-like precision. The sensor contains a very tiny invisible laser source and a matching sensor. The VL53L1X can detect the "time of flight", or how long the light has taken to bounce back to the sensor.

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SEN0646 Ultra-Compact ToF Laser Ranging Sensor (7.8m, 1 gram)
US$27.07
Weighing 1g with dimensions of 19×12×10.3mm, this sensor is one of the smallest and lightest dToF solutions on the market. Its 19mm³ footprint allows direct integration into micro-drones, wearable devices, or robotic joints without compromising payload capacity or mobility.
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DEV-27924 MyoWare 2 Muscle Sensor Module
US$68.20
Advancer Technologies' MyoWare 2 Muscle Sensor is an Arduino-compatible, all-in-one EMG sensor module featuring a compact design and upgraded, reliable...
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SEN0609, mmWave - C4001 24GHz Human Presence Detection Sensor (25 Meters, UART)
US$24.34
SEN0609, mmWave - C4001 24GHz Human Presence Detection Sensor (25 Meters, UART) The C4001 millimeter-wave presence sensor utilizes a 24GHz signal. It...
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SEN0626, Gravity: Offline Edge AI Gesture & Face Detection Sensor – 3m (Arduino/ RPi/ ESP32)
US$27.25
SEN0626, Gravity: Offline Edge AI Gesture & Face Detection Sensor – 3m (Arduino/ RPi/ ESP32) The Gravity: Offline Edge AI Gesture & Face...
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5451-POLOLU, ACS37042KLHBLT-010B3 Current Sensor Micro Carrier -30A to +30A, 3.3V
US$7.87
5451-POLOLU, ACS37042KLHBLT-010B3 Current Sensor Micro Carrier -30A to +30A, 3.3V Hall effect-based, electrically isolated current sensor in a 5-pin...
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5455-POLOLU, ACS37042KLHBLT-010B3 Current Sensor Compact Carrier -30A to +30A, 3.3V
US$8.14
5455-POLOLU, ACS37042KLHBLT-010B3 Current Sensor Compact Carrier -30A to +30A, 3.3V Hall effect-based, electrically isolated current sensor in a...
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5450-POLOLU, ACS37042KLHBLT-010B3 Current Sensor Micro Carrier -10A to +10A, 3.3V
US$7.87
5450-POLOLU, ACS37042KLHBLT-010B3 Current Sensor Micro Carrier -10A to +10A, 3.3V Hall effect-based, electrically isolated current sensor in a 5-pin...
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5454-POLOLU, ACS37042KLHBLT-010B3 Current Sensor Compact Carrier -10A to +10A, 3.3V
US$8.14
5454-POLOLU, ACS37042KLHBLT-010B3 Current Sensor Compact Carrier -10A to +10A, 3.3V Hall effect-based, electrically isolated current sensor in a...
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5410-POLOLU, ACS37800KMACTR-030B3-I2C Power Monitor Carrier with Secondary I²C Isolation
US$45.45
5410-POLOLU, ACS37800KMACTR-030B3-I2C Power Monitor Carrier with Secondary I²C Isolation This board is an integrated solution for monitoring voltage,...
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SENS-BJ300-PNP Photoelectric Sensor, PNP Diffuse-Reflective, 300 mm, 12 V to 24 V
US$17.97
SENS-BJ300-PNP Photoelectric Sensor, PNP Diffuse-Reflective, 300 mm, 12 V to 24 V, 300mm
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SENS-BJ300-NPN Photoelectric Sensor, NPN Diffuse-Reflective, 300 mm, 12 V to 24 V
US$17.97
SENS-BJ300-NPN Photoelectric Sensor, NPN Diffuse-Reflective, 300 mm, 12 V to 24 V, 300mm
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SENS-BJ15M-PNP Polarized PNP Thru Beam Emitter/Receiver Photo Sensor, DARK-ON, LIGHT-ON, 15M
US$22.52
SENS-BJ15M-PNP Polarized PNP Thru Beam Emitter/Receiver Photo Sensor, DARK-ON, LIGHT-ON, 15m
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SENS-BJ15M-NPN Polarized NPN Thru Beam Emitter/Receiver Photo Sensor, DARK-ON, LIGHT-ON, 15M
US$22.52
SENS-BJ15M-NPN Polarized NPN Thru Beam Emitter/Receiver Photo Sensor, DARK-ON, LIGHT-ON, 15M
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SENS-TOF0200C VL53L0X Time of Flight Laser Ranging Sensor Module I2C Laser for Arduino Distance 200cm
US$9.05
SENS-TOF0200C VL53L0X Time of Flight Laser Ranging Sensor Module I2C Laser for Arduino Distance 200cm
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SENS-TOF0400C VL53L1X Time of Flight Laser Ranging Sensor Module I2C Laser for Arduino STM32 Distance 400cm
US$13.42
SENS-TOF0400C VL53L1X Time of Flight Laser Ranging Sensor Module I2C Laser for Arduino STM32 Distance 400cm
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SENS-630-3 Temperature Sensor DS18B20 Probe Stainless Steel 63MM, OD 3.0MM. 3-Conductor Cable 1M
US$6.60
SENS-630-3 Temperature Sensor DS18B20 Probe Stainless Steel 6*30MM, OD 3.0MM. 3-Conductor Cable 1M
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SENS-630-3-T Temperature Sensor DS18B20 Terminal Probe Stainless Steel 6*30*3MM. 3-Conductor Cable 1M
US$7.23
SENS-630-3-T Temperature Sensor DS18B20 Terminal Probe Stainless Steel 6*30*3MM. 3-Conductor Cable 1M
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SENS-720-3.6 Temperature Sensor DS18B20 Probe Stainless Steel 7.5*20*3.6MM. 3-Conductor Cable 1M
US$7.23
SENS-720-3.6 Temperature Sensor DS18B20 Probe Stainless Steel 7.5*20*3.6MM. 3-Conductor Cable 1M
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SENS-LD2410C 24GHz Human Presence Sensor LD2410C FMCW Wave Radar Induction Module Body Heartbeat Detection
US$12.51
The LD2410C is a highly sensitive 24GHz human presence sensing module. It works by using FMCW FM continuous wave to detect human targets in a set space...
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SENS-650-3 Temperature Sensor DS18B20 Probe Stainless Steel 6*50MM, OD 3.0MM. 3-Conductor Cable 1M
US$6.96
SENS-650-3 Temperature Sensor DS18B20 Probe Stainless Steel 6*50MM, OD 3.0MM. 3-Conductor Cable 1M
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SEN0162 Gravity: GUVA-S12SD Analog UV Light Sensor (200-370nm, UVA, UVB, UVC)
US$15.42

SEN0162 Gravity: GUVA-S12SD Analog UV Light Sensor (200-370nm, UVA, UVB, UVC)

 

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SENS-ACD1100 NDIR Carbon Dioxide (CO2) Infrared Sensor ACD-1100
US$21.61
NDIR Carbon Dioxide (CO2) Infrared Sensor ACD-1100
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SEN-26554, SparkFun Air Quality PM1/PM2.5/PM10 Sensor - BMV080 (Qwiic)
US$94.25
SEN-26554, SparkFun Air Quality PM1/PM2.5/PM10 Sensor - BMV080 (Qwiic) Measure air quality with unprecedented precision and size using the SparkFun...
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SENS-91A PT-100 1.5m Long 1/4 inch Barrel Stainless Steel Thermocouple Probe – 3 Wires
US$12.69
Thermocouples are great for industrial usage in sensing temperature and this specific probe is made from stainless steel meaning you can put the sensor inside water. This sensor is based on RTD Technology and offers information about the temperature by varying the resistance. This sensor is designed for -50°C to 200°C temperatures. These probes are recommended highly for precise measurement of temperatures in labs, industrial process and any other application that requires precise temperature readings.
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WAVE-30972, Thin-Type Finger Vein Recognition Module (B), Built-in Cortex Core, USB Drive-Free Adaptability, UART Communication Interface, Finger Vein Liveness Detection
US$27.07
WAVE-30972, Thin-Type Finger Vein Recognition Module (B), Built-in Cortex Core, USB Drive-Free Adaptability, UART Communication Interface, Finger Vein...
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WAVE-30712, TVOC (Total Volatile Organic Compounds) Gas Sensor, High Sensitivity, Low Power Consumption, Long Lifespan, Compact Size
US$15.42
WAVE-30712, TVOC (Total Volatile Organic Compounds) Gas Sensor, High Sensitivity, Low Power Consumption, Long Lifespan, Compact Size TVOC Gas Sensor...
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WAVE-30450, IMX462 2MP IR-CUT Camera, 90° DFOV, Starlight Camera Sensor, Fixed-Focus
US$63.47
WAVE-30450, IMX462 2MP IR-CUT Camera, 90° DFOV, Starlight Camera Sensor, Fixed-Focus IMX462 Starlight Camera 2MP | IR-CUT  | 90° DFOV...
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6260-ADA, Adafruit SHT45 Trinkey - USB Temp and Humidity Sensor with PTFE
US$33.44
6260-ADA, Adafruit SHT45 Trinkey - USB Temp and Humidity Sensor with PTFE The PCB is designed to slip into any USB A port on a computer or laptop....
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SEN0644, RS485 Waterproof Ambient Light Sensor (0-200,000 Lux)
US$22.52
SEN0644, RS485 Waterproof Ambient Light Sensor (0-200,000 Lux) The Waterproof Digital Ambient Light Sensor is a robust and versatile device designed...
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SEN0636, Gravity: UV Index Sensor (240-370nm, UVA, UVB, UVC)
US$16.33
SEN0636, Gravity: UV Index Sensor (240-370nm, UVA, UVB, UVC) The Gravity: UV Index Sensor is a highly sensitive device designed to measure...
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SEN0640, RS485 Photoelectric Solar Radiation Sensor (400-1100nm)
US$104.42
SEN0640, RS485 Photoelectric Solar Radiation Sensor (400-1100nm) The RS485 Photoelectric Solar Radiation Sensor is designed to measure solar...
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DFR1154, ESP32-S3 AI Camera Module (Edge Image Recognition, Night Vision, ChatGPT Voice Interaction)
US$36.35
DFR1154, ESP32-S3 AI Camera Module (Edge Image Recognition, Night Vision, ChatGPT Voice Interaction) The ESP32-S3 AI Camera is a cutting-edge...
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4566-ADA, Adafruit AHT20 - Temperature & Humidity Sensor Breakout Board - STEMMA QT / Qwiic
US$8.87
4566-ADA, Adafruit AHT20 - Temperature & Humidity Sensor Breakout Board - STEMMA QT / Qwiic The AHT20 is a nice but inexpensive temperature and...
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WAVE-30136, ESP32-S3 IR Thermal Imaging Camera Module, Type-C Port, 80×62 Pixels, 45° FOV Basic
US$154.47
WAVE-30136, ESP32-S3 IR Thermal Imaging Camera Module, Type-C Port, 80×62 Pixels, 45° FOV Basic ESP32-S3 IR Thermal Imaging Camera 80x62 Pixels IR...
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WAVE-30139, ESP32-S3 IR Thermal Imaging Camera Module, Type-C Port, 80×62 Pixels, 90° FOV Wide Angle
US$154.47
WAVE-30139, ESP32-S3 IR Thermal Imaging Camera Module, Type-C Port, 80×62 Pixels, 90° FOV Wide Angle ESP32-S3 IR Thermal Imaging Camera 80x62...
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SENS-THERMO-HT5 HT-05 K-Type Pipe Clamp Temperature Lead Probe, -40~200°C
US$17.97
The HT-05 K-Type Pipe Clamp Thermocouple Sensor is compatible with any K-type thermometer. Designed for temperature measurement for ranges of -40°C to...
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SEN0622, Fermion: BMM350 Triple-Axis Magnetometer Sensor for AR / VR (Breakout)
US$12.69
SEN0622, Fermion: BMM350 Triple-Axis Magnetometer Sensor for AR / VR (Breakout) The Fermion: BMM350 3-axis geomagnetic sensor is designed to measure...
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WAVE-28761, TOF (time of flight) Mini Laser Range Sensor, UART / I2C Communication Support, Long Range
US$15.42
WAVE-28761, TOF (time of flight) Mini Laser Range Sensor, UART / I2C Communication Support, Long Range TOF Mini Laser Range Sensor Long Range |...
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SENS-RCWL-1670 RCWL-1670 Ultrasonic Ranging Module - 2cm to 400cm Range, Transceiver Split Design, Low Power Consumption
US$13.42
SENS-RCWL-1670 Waterproof Transceiver Split Ultrasonic Ranging Sensor Module 2cm-400cm Distance, DC3-5V
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SENS-VL53L0X, VL53L0X Time-of-Flight (ToF) Laser Distance Sensor Module (GY-530)
US$7.23

The VL53L0X is a Time-of-Flight (ToF) laser ranging sensor that uses ST’s FlightSense technology to measure distances up to 2 meters with 1 mm resolution. Operating on 3–5V with onboard voltage regulation, it communicates via I2C and includes XSHUT and INT pins for advanced control. Housed on a small breakout (25×12×3 mm), it’s ideal for obstacle detection, robotics, drones, and smart devices.

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SENS-INA231 (1.8V I²C) Bidirectional Current, Voltage, and Power Monitor Module
US$11.78
INA231 Bidirectional current shunt and power monitor Sensor with 1.8V, I2C interface
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SENS-95-P 3-Channel Infrared Line Tracker 5V Sensor Module, adjustable potentiometer
US$5.41
Want to make a line following robot? Not a big deal now with this highly efficient 3 channel Line Tracking Module. It has 3-way TCRT5000 Infrared Line Tracking sensors with on-board comparator, LED indicators and other signal conditioning components. And yes it is Arduino compatible! This module uses Infrared to detect the line so it has anti-interference ability, visible light will not interfere its operation. The TCRT5000 is a reflective sensor which include an infrared emitter and phototransistor in a leaded package which blocks visible light. It has indicator LEDs on it, when tracing sensor senses a key signal, LED lights, otherwise off.
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MQ-SOCKET 7-Pins MQ Series Sensor Socket Base
US$0.90

Breadboard friendly 7-pin MQ socket compatible with MQ-2, MQ-3, MQ-4, MQ-5, MQ-6, MQ-7, MQ-8, MQ-9 gas sensors

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SEN0605, MODBUS-RTU RS485 Soil NPK Measure Sensor (IP68, 5-30V)
US$90.77
SEN0605, MODBUS-RTU RS485 Soil NPK Measure Sensor (IP68, 5-30V) Introduction The Soil Sensor is a state-of-the-art device designed to provide...
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SENS-PIR-SLC 3.7V Solar Lamp Circuit Board with Infrared Sensor and Wall Light Control
US$7.96
This solar lamp control board is an excellent choice for enhancing the functionality of wall-mounted solar lamps, offering motion detection, lighting...
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ME2-CO Carbon monoxide gas sensor, Ф14 mm, 0～1000ppm
US$7.23
ME2-CO Carbon monoxide gas sensor, Ф14 mm, 0～1000ppm
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NAP-55A Low-Cost Catalytic Gas Sensor 2.0V
US$13.42
NAP-55A Catalytic Combustion Gas Sensor 2,0V
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MC105 Catalytic Combustion Gas Sensor 2.5V
US$7.23
MC105 Catalytic Combustion Gas Sensor 2,5V
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MC101 Catalytic Combustion Gas Sensor 3V
US$7.23
MC101 Catalytic Combustion Gas Sensor 3V
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WAVE-29062, All-in-one Thin-Type Finger Vein Module, Built-in Cortex Core, USB Drive-Free Adaptability, UART Communication Interface
US$40.72
WAVE-29062, All-in-one Thin-Type Finger Vein Module, Built-in Cortex Core, USB Drive-Free Adaptability, UART Communication Interface All-in-one...
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SEN0164, Gravity: Analog Adjustable Infrared Sensor Switch (40cm)
US$11.78
SEN0164, Gravity: Analog Adjustable Infrared Sensor Switch (40cm) This adjustable infrared sensor features a high-sensitivity photo reflector to...
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SEN0192, Gravity: Digital 10.525GHz Microwave Sensor (Motion Detection)
US$15.42
SEN0192, Gravity: Digital 10.525GHz Microwave Sensor (Motion Detection) The 10.525GHz microwave motion sensor applies the Doppler effect to detect...
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SEN0616, Gravity: Thin-film Pressure Sensor Board for Pressure Science Course
US$8.87
SEN0616
Delivery within 2-3 weeks
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SENS-PIR-1 High-Sensitivity Motion Sensor Module
US$3.14
High-Sensitivity Motion Sensor Module Features: Operates on a wide voltage range of 3-30V, with a built-in 30V low dropout LDO. Enhanced...
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PI5-SC1174, Official Raspberry Pi AI Camera, 12MP, IMX500 Intelligent Vision Sensor, 78.3° FOV
US$127.17
PI5-SC1174, Official Raspberry Pi AI Camera, 12MP, IMX500 Intelligent Vision Sensor, 78.3° FOV Raspberry Pi AI Camera Based on the IMX500...
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WAVE-28524 IMX415 8MP Camera Module, With High SNR, Good Low Light Performance, And Low Distortion
US$36.17
WAVE-28524 IMX415 8MP Camera Module, With High SNR, Good Low Light Performance, And Low Distortion Specifications Sensor: IMX415...
Delivery within 2-3 weeks
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WAVE-28760 TOF (time of flight) Laser Range Sensor, UART / I2C / IO Communication Support, 50m Measuring Range
US$45.27
WAVE-28760 TOF (time of flight) Laser Range Sensor, UART / I2C / IO Communication Support, 50m Measuring Range TOF LASER RANGE SENSOR Long Range,...
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5989-ADA, Adafruit HDC3022 Precision Temperature & Humidity Sensor - STEMMA QT / Qwiic
US$14.51
5989-ADA, Adafruit HDC3022 Precision Temperature & Humidity Sensor - STEMMA QT / Qwiic Adafruit HDC3022 Precision Temperature & Humidity...
Delivery within 2-3 weeks
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2863-POLOLU AltIMU-10 v6 Gyro, Accelerometer, Compass, and Altimeter (LSM6DSO, LIS3MDL, and LPS22DF Carrier)
US$45.38
The AltIMU-10 v6 is an inertial measurement unit (IMU) and altimeter that features the same LSM6DSO gyro and accelerometer and LIS3MDL magnetometer as the MinIMU-9 v6, and adds an LPS22DF digital barometer. An I²C interface accesses ten independent pressure, rotation, acceleration, and magnetic measurements that can be used to calculate the sensor’s altitude and absolute orientation.
Delivery within 2-3 weeks
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SENS-50-S XFW-HX711 Dual-Channel Weight Pressure Sensor Module 24-Bit Precision, Small Size
US$4.50
XFW-HX711 Dual-Channel Weight Pressure Sensor Module 24-Bit Precision The XFW-HX711 Load Cell Amplifier module is a precision 24-bit...
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WL-362-WCTAG, 125kHz EM4100 30mm RFID ID tag token
US$0.77
RFID 125kHz Water Resistant ID tag token colour black These smart tokens are RFID access cards. The card supports a 125kHz RFID read-only access for...
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SENS-LM2904 Analog Decibel Detection LM2904 Sound Intensity Detection Module
US$11.60
Analog Decibel Detection LM2904 Sound Intensity Detection Module
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SENS-107-N LJ8A3-2-Z/AX Inductive Proximity Sensor DC6-36V - NPN N.O. 2mm Detection Distance
US$9.96
3D printers, CNC Machines, Or whatever project you are into, this is the sensor you need! It's accurate, reliable, durable and capable of delivering dectection rating of 2mm. It has an 8mm diameter with metric threads on it for easy installation.
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SENS-107-P LJ8A3-2-Z/AY Inductive Proximity Sensor DC6-36V - PNP N.C. 2mm Detection Distance
US$9.96
3D printers, CNC Machines, Or whatever project you are into, this is the sensor you need! It's accurate, reliable, durable and capable of delivering dectection rating of 2mm. It has an 8mm diameter with metric threads on it for easy installation.
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SENS-106-P LJ8A3-2-Z/BY Inductive Proximity Sensor DC6-36V - PNP N.O. 2mm Detection Distance
US$9.96
3D printers, CNC Machines, Or whatever project you are into, this is the sensor you need! It's accurate, reliable, durable and capable of delivering dectection rating of 2mm. It has an 8mm diameter with metric threads on it for easy installation.
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SENS-106-N LJ8A3-2-Z/BX Inductive Proximity Sensor DC6-36V - NPN N.O. 2mm Detection Distance
US$9.96
3D printers, CNC Machines, Or whatever project you are into, this is the sensor you need! It's accurate, reliable, durable and capable of delivering dectection rating of 2mm. It has an 8mm diameter with metric threads on it for easy installation.
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5974-ADA Adafruit HX711 24-bit ADC for Load Cells / Strain Gauges
US$17.24
The Adafruit HX711 Breakout contains a super-high-resolution 24-Bit differential ADC with extra gain circuitry that makes it perfect for measuring strain gauges / load cells or other sensors that have four wires that are connected in a Wheatstone bridge arrangement. Each breakout comes with a HX711 ADC chip, plus some support circuitry, and 6 port terminal block that can be used to connect one or two 4-wire sensors. The E- pad connects to ground (often a black wire), the E+ pad connects to the power voltage supplied to the HX711 (often a red wire).
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DFR1132 Gravity: Linear / Analog Hall Effect Sensor with ±1200 GS Magnetic Field Range
US$4.96
Gravity: Linear/Analog Hall Sensor is a high-precision device designed for measuring and monitoring magnetic field strength. Advanced Hall effect circuitry at the core converts magnetic induction strength directly into a voltage output. The sensor responds uniquely to magnetic fields: when the south pole of a magnet faces the sensing surface, the magnetic field strengthens, and the output voltage rises above the midpoint, gradually increasing. When the north pole faces the sensing surface, the output voltage falls below the midpoint, gradually decreasing. High sensitivity makes this sensor ideal for applications that need precise magnetic field detection, such as industrial control, scientific research, security systems, and various electronic devices.
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DFR1129 Gravity: Infrared Light Photo Interrupter Module (Wavelength 940nm)
US$4.96
The Gravity: Photo Interrupter Module integrates a high-performance ITR9608 photoelectric switch. Its compact design and easy operation make it an ideal choice for electronic projects and applications. Whether for robotics, automation equipment, or counting systems, this module provides precise photoelectric detection and efficient signal processing.
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EF04109 Octopus Speech Recognition Sensor ELECFREAKS
US$25.34
ELECFREAKS Octopus Speech Recognition Sensor can realize the voice recognition function, and support self-learning words. Combined with rainbow LED, intelligent cars and other hardware can realize voice recognition control lamps, voice recognition control cars and other interesting cases.
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SENS-MS1100, VOC Gas Sensor Module MS-1100
US$14.33

The MS-1100 VOC GAS sensor is suitable for detecting formaldehyde, benzene, xylene and other organic volatile components in the air.
 

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SENS-S12SD UV Detection Sensor S12SD
US$6.32
UV Detection Sensor S12SD
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5912-ADA Adafruit SHT41 Trinkey - USB Temperature and Humidity Sensor
US$17.06
5912-ADA  Adafruit SHT41 Trinkey - USB Temperature and Humidity Sensor It's half USB Key, half temperature-humidity sensor, which is a PCB made to...
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5896-ADA Adafruit SHT45 Trinkey - USB Temperature and Humidity Sensor
US$27.25
5896-ADA Adafruit SHT45 Trinkey - USB Temperature and Humidity Sensor It's half USB Key, half temperature-humidity sensor, which is a PCB made to...
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SEN0133 Gravity: Analog Hydrogen Gas Sensor (MQ8)
US$16.33
SEN0133 Gravity: Analog Hydrogen Gas Sensor (MQ8)
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SENS-YF-S301, 7-24V Water Flow Sensor Flowmeter 0.3-10L/Min
US$9.05
This is a high quality ¾” Brass flow sensor with 60mm cable. As liquid flows through the sensor, the rotor is rolled. The roller speed varies with rate of flow. Using a Hall sensor, the roller creates a magnetic signal converted into an output pulse signal. This module is compatible with microcontrollers and microprocessors (with appropriate power and signal considerations). The brass threads allow for water tight precision connections. NOTE: This sensor is best suited for use with water. Other liquids may damage the unit.
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WAVE-26369 RP2040 MCU Board, With 1.28inch Round LCD, Accelerometer And Gyroscope Sensor, With CNC Metal Case
US$31.62
RP2040-LCD-1.28-B is a low-cost, high-performance MCU board designed by Waveshare. Tiny size with onboard 1.28inch LCD round display, Li-ion battery recharge manager, 6-axis sensor (3-axis accelerometer and 3-axis gyroscope) and so on, adapting all GPIO and Debug pins, which makes it easy for you to develop and integrate it into products quickly.
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WAVE-26371 RP2040 Microcontroller Development Board, with 1.28inch Round Touch LCD, Accelerometer And Gyroscope Sensor, With CNC Metal Case
US$44.36
RP2040-Touch-LCD-1.28-B is a low-cost, high-performance MCU board designed by Waveshare, tiny size, with onboard 1.28inch capacitive touch display, Li-ion battery recharge manager, 6-axis sensor (3-axis accelerometer and 3-axis gyroscope), and so on, which makes it easy for you to develop and integrate it into products quickly.
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WAVE-26536 Human Micro-Motion Detection mmWave Sensor, 24GHz mmWave Radar, Based On S3KM1110, Adopts FMCW Technology
US$6.14
The HMMD-mmWave-Sensor is a human micro-motion sensor, adopts Frequency Modulated Continuous Wave (FMCW) technology to detect and identify moving, standing, and motionless human body. Combining radar signal processing with accurate human detection and ranging algorithms, supports configuring the sensibility for each range independently to improve anti-interference performance. Compact size, low power consumption, and easy integration, it can be widely used in AIoT scenarios such as Smart Home, Intelligent Security, Smart Business, and Intelligent Lights, etc.
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4538-ADA NAU7802 Bridge Gauge Sensor Load Cell Module 24-Bit ADC - STEMMA QT/Qwiic
US$9.78
4538-ADA NAU7802 Bridge Gauge Sensor Load Cell Module 24-Bit ADC - STEMMA QT/Qwiic
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WAVE-26535 Slamtec RPLIDAR C1 Laser Ranging Sensor, 360° Omnidirectional Lidar, Millimeter-Level High Definition, Anti-Interference And Anti-Adhesion
US$118.07
Integrates the technical advantages accumulated in triangulation and DTOF ranging for many years, enabling RPLIDAR C1 to meet the requirements of robot positioning, mapping, and navigation in terms of ranging accuracy, distance measurement, anti-interference, and anti-adhesion performance.
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SENS-VIB-C 3.3V/5V Ceramic Piezo Vibration Sensor Module for Arduino
US$2.68
DIY KIT 3.3V/5V Ceramic Piezo Vibration Sensor Module
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SENS-MAX30102-A Heart Rate Sensor Module MAX30102 Pulse Detection Blood Oxygen Sensor Concentration Test Module for Arduino STM32
US$7.23
Heart Rate Sensor Module MAX30102 Puls Detection Blood Oxygen Sensor Concentration Test Module for Arduino STM32
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SENS-GY-US42 Pixhawk APM Flight Control Ultrasonic Distance Measurement Sensor Module, Serial UART TTL GY-US42V2
US$17.97
Pixhawk APM Flight Control Ultrasonic Distance Measurement Sensor Module, Serial UART TTL GY-US42V2
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SENS-RE200B PIR Sensor Metal Can Temperature Sensor
US$1.77
SENS-RE200B PIR Sensor Metal Can Temperature Sensor
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WAVE-26379 RP2040 Microcontroller Camera Development Board, Onboard HM01B0 Grayscale Camera And 1.14inch IPS LCD Display
US$27.07
PICO-CAM-A is a cost-effective, high-performance MCU camera board based on Raspberry Pi RP2040, onboard HM01B0 grayscale camera and 1.14inch IPS LCD display, suitable for application scenarios such as image information capture.
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WAVE-24984 360° Omnidirectional High-Torque 2-Axis Expandable Pan-Tilt Camera Module, Driven By Serial Bus Servos, Based On General Driver Board For Robots (US Power Plug)
US$171.76
This Is A High-Torque 2-DOF Expandable Pan-Tilt Camera Module, Adopts Serial Bus Servos For Joints Driven. The Horizontal PAN Axis Rotation Range Up To ±180° (360° In Total), The Vertical TILT Axis Rotation Range Up To -45° ~ 90°. Based On The General Driver Board For Robots, Open Source Control Demos For Web APP To Achieve Photo Taking, Video Recording, Face Detection, Motion Detection, Etc. Supports Flexible Expansion And Secondary Development.
Delivery within 2-3 weeks
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3263-ADA Universal Thermocouple Amplifier MAX31856 Breakout Board
US$27.25
Universal Thermocouple Amplifier MAX31856 Breakout Board
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WAVE-26213 OV5693 5MP USB Camera (B), Fixed-focus, Auto Focusing
US$39.81
Supports 1080p@30 Video Recording. Onboard Micromotor, Flexible Auto Focus.
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WAVE-26185 IMX219 Camera Module For Raspberry Pi 5, 8MP, MIPI-CSI Interface, For 120° FOV
US$30.71
IMX219 Camera Module For Raspberry Pi 5, 8MP, MIPI-CSI Interface, Options For 120° FOV, Comes With Pi5 CSI Flexible Cable 200mm.
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WAVE-26184 IMX219 Camera Module For Raspberry Pi 5, 8MP, MIPI-CSI Interface, For 79.3° FOV
US$22.70
IMX219 Camera Module For Raspberry Pi 5, 8MP, MIPI-CSI Interface, For 79.3° FOV, Comes With Pi5 CSI Flexible Cable 200mm.
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WAVE-25978 D500 Developer Kit, DTOF Laser Ranging Sensor, 360° Omni-Directional Lidar, UART Bus
US$145.37
Adopting DTOF (Direct Time of Fight) ranging technology, measuring distance according to the time-of-flight of the laser pulse, within the effective detection distance of 12m, the radar ranging accuracy will not change with the distance, and can reach the measurement accuracy of ±30 mm. With efficient algorithm logic to achieve 360 degrees detection of robot, autonomous mapping, and obstacle detection...
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SEN-23253 SparkFun Mini Human Presence and Motion Sensor - STHS34PF80 (Qwiic)
US$28.26
The SparkFun Qwiic Mini Human Presence and Motion Sensor is built around the STHS34PF80 Low-power, high-sensitivity infrared (IR) sensor for presence and motion detection from STMicroelectronics. This sensor features an infrared motion and presence detection sensor with an operating wavelength between 5µm and 20µm. This Mini-sized breakout board is only 0.5in. by 1in. big and has been equipped with two I2C Qwiic connectors to make interfacing with the STHS34PF80 a bit easier.
Delivery within 2-3 weeks
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EKMB1107112 Panasonic PIR Motion Sensor
US$31.62
Passive Infrared (PIR) sensors are great for detecting motion in a small area around the sensor. This is an EKM-series PIR sensor from Panasonic®. The EKMB-series PIR sensors are optimized for small movements to offer motion-sensing options for battery powered applications due to the low standby current draw of the sensor (1µA).
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SEN0599 IP68 Underwater Ultrasonic Obstacle Avoidance Sensor (6m, UART)
US$58.92
Note: The sensor can only be used underwater as it requires the presence of water to provide accurate data. This is an underwater ultrasonic obstacle avoidance sensor specifically designed for underwater applications. It operates on a wide voltage range of 5-24V and features compact size, minimal blind spots, high precision, and high protection. Its underwater measurement range is from 5-600cm.
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