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Sensors

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MB7360-200 Ultrasonic Range Finder - HRXL-MaxSonar-WR
US$152.53

This is a weather resistant and rugged ultrasonic sensor component module for outdoor detection and ranging. This outdoor sensor provides very short to long distance detection and ranging in a compact, robust PVC housing. The ultrasonic sensor meets the IP67 water intrusion standard and matches standard electrical 3/4‑inch PVC pipe fittings.

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SENS-39 Golden Angle Ball Switch Tilt Sensor Module - SW520D
SENS-39 Golden Angle Ball Switch Tilt Sensor Module - SW520D
US$2.09
This handy device uses a tilt sensor to measure angles and is easily connected to a microcontroller for cool projects. The switch module output depends on the angle of the ball switch. The ball movement turns the switch on or off. When the angle switch is turned off, D0 outputs a logic level high voltage. Inversely, when the angle switch is turned on, D0 outputs a logic level low voltage. This D0 pin can be input into an Arduino and used to control a system by detecting the angle based on the voltage level.
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642 High Temp Waterproof DS18B20 Digital temperature sensor + extras
642 High Temp Waterproof DS18B20 Digital temperature sensor + extras
US$26.17

This is a pre-wired and waterproofed version of the DS18B20 sensor made with a PTFE wire cable.

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269 Thermocouple Amplifier (MAX6675) breakout board - v1.0
269 Thermocouple Amplifier MAX31855 breakout board (MAX6675 upgrade) - v2.0
US$24.49

The MAX31855K does everything for you, and can be easily interfaced with any microcontroller, even one without an analog input. This breakout board has the chip itself, a 3.3V regulator with 10uF bypass capacitors and level shifting circuitry, all assembled and tested.

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512 Analog 2-axis Thumb Joystick with Select Button + Breakout Board
512 Analog 2-axis Thumb Joystick with Select Button + Breakout Board
US$11.28
The thumbstick is an analog joystick - more accurate and sensitive than just 'directional' joysticks - with a 'press in to select' button. Since it's analog, you'll need to analog reading pins on your microcontroller to determine X and Y. Having an extra digital input will let you read the switch. 
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789-ADA Adafruit PN532 NFC/RFID Controller Shield for Arduino + Extras
789-ADA Adafruit PN532 NFC/RFID Controller Shield for Arduino + Extras
US$61.52
We've taken our popular Adafruit PN532 breakout board and turned it into a shield - the perfect tool for any 13.56MHz RFID or NFC application. The Adafruit NFC shield uses the PN532 chip-set (the most popular NFC chip on the market) and is what is embedded in pretty much every phone or device that does NFC. This chipset is very powerful, and can pretty much do it all, such as read and write to tags and cards, communicate with phones (say for payment processing), and 'act' like a NFC tag. While the controller has many capabilities, our Arduino library currently only supports reading/writing tags, and does not support phone-to-shield communication, tag emulation (which requires an external 'secure element' only available from NXP) or other more advanced features at this time.
Delivery within 2-3 weeks
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176 Sensor pack 900
176 Sensor pack 900
US$61.25

This is an assortment of the most common sensors used in electronics. 9 sensors and 3 additional components to interface with the 'analog world'.

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372 10K Precision Epoxy Thermistor - 3950 NTC
372 10K Precision Epoxy Thermistor - 3950 NTC
US$7.00

This epoxy-coated precision 1% 10K thermistor is an inexpensive way to measure temperature in weather or liquids.

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386 DHT11 basic temperature-humidity sensor + extras
386 DHT11 basic temperature-humidity sensor + extras
US$8.75
It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to use, but requires careful timing to grab data.
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385 DHT22 temperature-humidity sensor + extras
385 DHT22 temperature-humidity sensor + extras
US$21.88
It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to use, but requires careful timing to grab data.
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GP2Y0A21YK0F Infrared Proximity Sensor Medium Range
GP2Y0A21YK0F Infrared Proximity Sensor Medium Range
US$18.13
This is a medium range infrared proximity sensor with an analog output. It has an analog output that varies from 0.25V at 10cm to 0.55V at 80cm with a supply voltage between 4.5 and 5.5VDC. The sensor has a Japanese Solderless Terminal (JST) Connector.
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117-POLOLU 3-Pin Female JST PH-Style Cable for Sharp Distance Sensors (30cm)
117-POLOLU 3-Pin Female JST PH-Style Cable for Sharp Distance Sensors (30cm)
US$2.54

This is a 12-inch (30-cm) cable that has three 26 AWG wires attach to a 3-pin female JST PH-style connector.

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1799-POLOLU 3-Pin Female JST PH-Style Cable (30 cm)
1799-POLOLU 3-Pin Female JST PH-Style Cable (30 cm)
US$2.18
These cable will mate with the connector on 3-pin Sharp analog distance sensors, such as the GP2D120XJ00F (4-30 cm), GP2Y0A21YK0F (10-80 cm), and the GP2Y0A02YK0F (20-150 cm).
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1134-POLOLU Carrier with Sharp GP2Y0D810Z0F Digital Distance Sensor 10cm
1134-POLOLU Carrier with Sharp GP2Y0D810Z0F Digital Distance Sensor 10cm
US$13.93
This is a proximity sensor that can detect any object between  2 to 10 cm (0.8" and 4") away.
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SEN-11028 Triple Axis Accelerometer & Gyro Breakout - MPU-6050
SEN-11028 Triple Axis Accelerometer & Gyro Breakout - MPU-6050
US$55.93
This is a combination of  3-axis gyroscope and a 3-axis accelerometer on the same onboard Digital Motion Processor™ (DMP™) capable of processing complex 9-axis MotionFusion algorithms.
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