Sensors & Input

SKU: LB-LR0400 | Brand: Little Bird

A 1kg straight bar load cell (strain gauge) that converts applied force into a measurable electrical signal. Made from aluminium alloy with four strain gauges in a Wheatstone bridge configuration, this sensor is ideal...

SKU: LB-LR0240 | Brand: Little Bird

This compact sound module lets a microcontroller detect the presence of loud sounds using its onboard microphone.It is designed for sound detection rather than audio recording or interpretation. An Arduino can read th...

SKU: DF-DFR0094 | Brand: DFRobot

Infrared devices are widely used, and often for remote controlled devices. With this IR receiver, your Arduino project is now able to receive command from any IR remote controller. Well, it will be also easy...

SKU: DF-DFR0129 | Brand: DFRobot

A capacitive touch sensor kit for Arduino based on the MPR121 touch controller. Includes three interchangeable touch pads — a scroll wheel, a keypad with backlight support, and a grid pad for gesture and pattern recog...

SKU: AF-2796 | Brand: Adafruit

The Feather M0 Adalogger is an all-in-one datalogger built around the ATSAMD21G18 ARM Cortex M0 processor, with a built-in MicroSD card holder, native USB, and LiPo battery charging. With 256KB of flash and 32KB of RA...

SKU: AF-419 | Brand: Adafruit

Punch in your secret key into this numeric matrix keypad. This keypad has 12 buttons, arranged in a telephone-line 3x4 grid. It's made of a thin, flexible membrane material with an adhesive backing (just remove the...

SKU: SF-SEN-10266 | Brand: SparkFun

Use this simple IR receiver for infrared remote control of your next project. With low power consumption and an easy to use package, it mates well with embedded electronics and can be used with common IR remotes. The...

SKU: DF-SEN0213 | Brand: DFRobot

The DFRobot Gravity Heart Rate Monitor Sensor measures the electrical activity of the heart and outputs it as an analog signal. Built around the AD8232 chip, it filters and amplifies the ECG signal to produce a clean ...

SKU: DF-SEN0212 | Brand: DFRobot

The TCS34725 is an I2C RGB colour sensor that detects the red, green, and blue components of light in its environment and returns digital colour values. With high sensitivity, a wide dynamic range, and a built-in IR b...

SKU: DF-FIT0510 | Brand: DFRobot

These disposable ECG electrodes are designed for electrocardiogram (ECG) and other biopotential measurements. Each pack contains 12 self-adhesive electrodes made with breathable nonwoven fabric and medical-grade hypoa...

SKU: AF-269 | Brand: Adafruit

The MAX31855 Thermocouple Amplifier Breakout converts K-type thermocouple readings into digital data via SPI, handling cold-junction compensation automatically. It measures temperatures from −200°C to +1350°C in 0.25°...

SKU: AF-4867 | Brand: Adafruit

The Adafruit SCD-30 is a true NDIR (Non-Dispersive Infrared) CO2 sensor that directly measures carbon dioxide concentration in ambient air, rather than estimating it from volatile organic compounds. With an integrated...

SKU: SF-SEN-09375 | Brand: SparkFun

This is a force sensitive resistor with a round, 0.5" diameter, sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the ...

SKU: LB-LR0051 | Brand: Little Bird

A 4-channel relay module with opto-isolated inputs for safe, reliable switching of high-power loads. Each relay is rated for up to 10A at 250VAC or 30VDC, making it suitable for controlling lights, motors, heaters, an...

SKU: WS-24468 | Brand: Waveshare

The Waveshare Barcode Scanner Module (C) is a compact 2D codes scanner module that uses intelligent image recognition to decode 1D and 2D barcodes from both paper and screens with high accuracy and speed. Featuring U...

SKU: DF-SEN0565 | Brand: DFRobot

Fermion: MEMS Methane CH4 Gas Detection Sensor employs state-of-the-art micro-electromechanical system (MEMS) technology, endowing the sensor with compact dimensions (13x13x2.5mm), low power consumption (<20mA), minim...

SKU: DF-SEN0527 | Brand: DFRobot

The Fermion AHT20 is a high-precision, low-cost temperature and humidity sensor breakout from DFRobot. Built around an improved MEMS semiconductor capacitive humidity sensor element, it communicates over a standard I2...

SKU: AF-5378 | Brand: Adafruit

The Adafruit Right Angle VEML7700 Lux Sensor is an I2C ambient light sensor that measures calibrated lux values rather than arbitrary brightness numbers. Its unique right-angle orientation senses light coming parallel...

SKU: AF-4830 | Brand: Adafruit

The Adafruit MPR121 Gator Breakout adds 12 capacitive touch inputs to any microcontroller project — no soldering required. With large alligator/croc-clip friendly pads and STEMMA QT / Qwiic connectors, simply clip con...

SKU: EC-WCW32110W | Brand: Elecrow

The ESP-WROOM-32 is Espressif's powerful Wi-Fi, Bluetooth Classic, and BLE module built around the ESP32 dual-core processor. It's a versatile platform for IoT applications ranging from low-power sensor networks to de...