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DFRobot

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IO Expansion HAT for Pi Zero/Zero W
CA$20.60
This DFRobot IO Expansion HAT provides Digital, Analog, I2C, PWM, UART and SPI port to meet all your needs. It is pretty small and perfectly suitable for Raspberry Pi Zero/Zero W. The board leads out the I/O ports on Raspberry Pi including IIC, UART, SPI and digital, among which the digital ports are led out via the GPIO16~GPIO25(BCM) of Raspberry Pi, so these ports can be directly used.
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Math & Automatic Touch Keyboard for micro:bit (V1.0)
CA$53.57
This is a Math & Automatic expansion board for micro:bit. Easy to use, and suitable for a wide range of applications. We designed this board for two sorts of application scenarios: math game and automation control. The 16 programmable touch keys and RGB LEDs on the board offers rich function and flexible input and output. Besides, the board has 1 vibration motor, 1 buzzer, 2 motor ports, 2 servo ports and 9 expansion ports, which lays a foundation for using in automation controlling application.
Delivery within 2-3 weeks
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Environment Science Board for micro: bit (V1.0)
CA$134.62
Environment Science Board for micro: bit is designed with highly symbolic trees, houses, and snowy mountains. On a wide and easy-to-use PCB, it integrates many sensor modules of nature and science. Including UV sensor, temperature sensor, humidity sensor, air pressure sensor, sound sensor, color sensor, light sensor, water temperature sensor, TDS water quality sensor, buzzer, OLED display, etc. This kit is rich in knowledge, including a wide range of applications.
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IIC 16x2 RGB LCD KeyPad HAT V1.0
CA$19.23
This is a 2*16 character RGB LCD+Keypad plate for Raspberry Pi. We made improvements in the wiring connection based on the previous LCD display as well as left out the contrast adjustment function, so the product can be pretty easy to use, and users can spend time focusing on the most important projects.
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Water-proof Ultrasonic Sensor (ULA)
CA$53.57
This is an ultrasonic distance sensor(ULS) of high performance with an enclosed waterproof probe. The sensor, like many other ultrasonic sensors, based on the principle of ultrasonic echo ranging, determines the distance to a target by measuring time lapses between the sending of a pulse and receiving of the echo without contacting. It can be used to detect transparent or non-ferrous objects, metal or non-metallic objects, liquid, solid, powder materials and so on. The unique physical bell-mouth shell of the sensor greatly improves the directivity and stability of its output ultrasound.
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Water-proof Ultrasonic Sensor (ULS)
CA$53.57
This is an ultrasonic distance sensor(ULS) of high performance with an enclosed waterproof probe. The sensor, like many other ultrasonic sensors, based on the principle of ultrasonic echo ranging, determines the distance to a target by measuring time lapses between the sending of a pulse and receiving of the echo without contacting. It can be used to detect transparent or non-ferrous objects, metal or non-metallic objects, liquid, solid, powder materials and so on. The unique physical bell-mouth shell of the sensor greatly improves the directivity and stability of its output ultrasound.
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Gesture & Touch Sensor
CA$24.73
This sensor module integrates gesture recognition and touch detects functions in one piece, and provides an adjustable detection range within 0~30cm. When connected to your microcontroller, it can detect 5-way touch signal and 7 kinds of gestures: move left, move right, move forward, move backward, pull up, pull down, pull and remove.
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Inclined Electromagnetic Lock-12V
CA$13.84
This 12V electromagnetic lock comes with two control wires(red: +, black: -). Power up/off to unlock/lock the electromagnetic lock. We add an electroless nickel plating onto the metal surface of the shell and frame to make the lock durable and anti-corrosion. The bolt and lock hole are made of pure-copper, smooth, and never get stuck.
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Gravity: URM09 Analog Ultrasonic Sensor
CA$16.21
An Ultrasonic sensor is a device that can measure the distance to an object by using sound waves. It measures distance by sending out a sound wave at a specific frequency and listening for that sound wave to bounce back.
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micro: Breadboard
CA$27.20
Micro:breadboard is a micro:bit-based expansion board specially designed for STEM-starter. It comes with a 3.23*2.17” breadboard (independent packing, you need to stick them together), on which you can directly build circuit with all sorts of electronic components. All IO ports are led out in the form of pin header and female header, no welding required, plug and play.
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micro:IO Extender- a micro:bit IO Expansion Board
CA$11.54
A simple IO extension board for micro:bit. This board leads out all IO ports of micro:bit that are in accordance with Gravity standard interface. Meanwhile, it has independent I2C and Serial port. The board also integrates the frequently-used buzzer and edge connector contacts.
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SIM7600CE-T 4G(LTE) Shield for Arduino
CA$131.87
SIM7600CE-T 4G(LTE) Shield is a 4G/3G/2G communication and GNSS positioning module. This shield is as small as a credit card and compatible with controller boards like Arduino UNO, arduino Leonardo, arduino Megaetc. The frequency bands that SIM7600CE-T 4G(LTE) Shield supports are LTE-TDD/ LTE-FDD/HSPA+/TD-SCDMA/EVDO and GSM/GPRS/EDGE. It also supports LTE-CAT4(with uplink rate 50 Mbps and downlink rate 150 Mbps).
Delivery within 2-3 weeks
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Gravity VEML6075 UV Sensor Module
CA$13.46
This is a UV sensor module based on Vishay VEML6075 sensor, adopting individual UVA and UVB channel solution with 16-bit resolution. It can convert solar UV light intensity to digital data to provide an accurate measure of the signal strength.
Delivery within 2-3 weeks
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Gravity: Digital RGB LED Module
CA$3.84
Gravity: Digital RGB LED Module is a cascadable single RGB LED module compatible with RGB LED strip. The Gravity interface provides a more elegant manner for the connections between modules and most of mainstream controllers such as Arduino, micro:bit, Firebeetle Series, LattePanda, and Raspberry Pi with an abundant kinds of DFRobot IO expansion shield. Compared to the traditional RGB LED module, where three control signal pins are required for a single LED, this module only needs one signal pin for all LEDs in cascade.
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RS485 Shield for Arduino
CA$17.86
Arduino RS485 is an industrial standard for long distance, anti-interferrence and reliable communication.   So we create this RS485 Arduino shield, especially designed for the Arduino controller board. It converts UART/Serial protocol to RS485 protocol.  This RS485 board allows Arduino access to industrial standard protocol easily.
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