Sensors & Input

SKU: AF-5190 | Brand: Adafruit

The Adafruit SCD-41 is a photoacoustic true CO2 sensor that directly measures carbon dioxide concentration in ambient air with a wide measurement range of 400 to 5,000 ppm. It also includes integrated temperature and ...

SKU: DF-SEN0414 | Brand: DFRobot

The SHTC3 digital humidity sensor from Sensirion builds on the success of the proven SHTC1 sensor and offers consistent high accuracy within the measuring range. The sensor covers a humidity measurement range of 0 to ...

SKU: DF-SEN0344 | Brand: DFRobot

The MAX30102 is integrated pulse oximetry and heart-rate monitor biosensor module based on PPG (PhotoPlethysmoGraphy). It is so small that you can just wear it on your finger or wrist for data collecting. Internall...

SKU: DF-SEN0169-V2 | Brand: DFRobot

DFRobot Gravity: Analog pH meter pro V2 is specifically designed to measure the pH of the solution and reflect the acidity or alkalinity. It is commonly used in various applications such as aquaponics, aquaculture, an...

SKU: DF-DFR0626 | Brand: DFRobot

This is an IO expansion module that based on the chip MCP23017. The module can expand additional 16 IOs. It can set 8 IIC addresses, which means with this module, the microcontroller can connect 8 modules, and expand ...

SKU: EF-EF04094 | Brand: ElecFreaks

The Octopus Water Level Sensor detects water level using exposed parallel traces on the PCB. As the water level rises, more traces are submerged, producing a higher analogue signal output. Compatible with micro:bit (3...

SKU: DF-SEN0311 | Brand: DFRobot

A commercial-grade waterproof ultrasonic distance sensor with UART serial output. The A02YYUW features a much smaller blind zone (3 cm) and wider sensing angle than many comparable sensors, plus penetration through sm...

SKU: SF-SEN-14727 | Brand: SparkFun

This miniature straight bar load cell (sometimes called a strain gauge) can translate up to 100g of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that cha...

SKU: SF-WRL-14875 | Brand: SparkFun

A compact 1/4-wave rubber duck antenna for LoRa and other 860–960MHz communication. With a centre frequency of 915MHz and 2dBi gain, this 110mm antenna is ideal for space-constrained LoRa nodes where a smaller antenna...

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

With the sound module, we can detect the presence of loud sounds. While this module has a microphone on it, our Arduino does not have the brains to interpret or record the audio directly (there are some shields you...

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-189 | Brand: Adafruit

PIR sensors are used to detect motion from pets/humanoids from about 20 feet away (possibly works on zombies, not guaranteed). This one has an adjustable delay before firing (approx 2-4 seconds), adjustable sensiti...

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...