Sensors & Modules

SKU: SF-SEN-28868 | Brand: SparkFun

This wind vane is used to indicate the direction from which the wind is blowing. Inside the vane are eight switches, each paired with a unique resistor, allowing a microcontroller to read direction based on the vane’s...

SKU: SF-SEN-26092 | Brand: SparkFun

Visualise magnetic fields in real time with a dense 8x8 array of Hall-effect sensors. This tile lets you observe nearby magnets, current flow in wires and fields generated by electric motors as a live magnetic image.T...

SKU: DF-SEN0475 | Brand: DFRobot

Measure hydrogen fluoride concentration with a factory-calibrated electrochemical probe that supports analogue, I2C and UART output modes. It is designed for quickly building an HF concentration detector for industria...

SKU: DF-SEN0469 | Brand: DFRobot

This calibrated gas sensor measures ammonia concentration in the environment using an electrochemical probe. It supports three output modes — analogue, I2C and UART — so it can slot into a wide range of microcontrolle...

SKU: LB-DHT11-SENSOR | Brand: Little Bird

The Little Bird DHT11 Temperature and Humidity Sensor Module provides calibrated digital temperature and humidity readings from a single sensor. Designed and made in Sydney, Australia, it requires no extra components ...

SKU: EC-SSE01209P | Brand: Elecrow

This is a high-precision temperature control module, it can not only show the temperature, but also according to the current temperature of the relay control, it can control some of the power equipment through the ...

SKU: LB-LR0285 | Brand: Little Bird

The LM35DZ is a simple temperature sensor IC for projects that need low-cost temperature measurement with good accuracy around room temperature.It is suited to remote sensing applications and runs from a broad 4 to 30...

SKU: AF-3245 | Brand: Adafruit

Thermocouples are best used for measuring temperatures that can go above 100°C. This is a bare wires stainless-steel tip probe which can measure air or surface temperatures. Most inexpensive thermocouples have a vi...

SKU: SF-BOB-19389 | Brand: SparkFun

The SparkFun Analog MEMS Microphone Breakout makes it easy to work with the SPH8878LR5H-1 analog microphone from Knowles. This board features an OpAmp to bring the output of the microphone to a usable level, allowing ...

SKU: EC-DPI32110W | Brand: Elecrow

ESP32-S2-WROVER and ESP32-S2-WROVER-I use ESP32-S2 chip. The ESP32-S2 chip is equipped with an Xtensa® 32-bit LX7 single-core processor with a working frequency of up to 240 MHz. The user can turn off the power of the...

SKU: AF-4516 | Brand: Adafruit

The Feather nRF52840 Sense takes the popular Feather nRF52840 Express and adds a suite of on-board environmental and motion sensors. It features Bluetooth Low Energy, native USB, CircuitPython and Arduino support, plu...

SKU: PI-COM1004 | Brand: Pimoroni

You'll find these rotary potentiometers in our Maker Essentials kit, but they're so useful we decided to offer them on their own! Pair them with something like our Explorer HAT Pro or Explorer pHAT to rea...

SKU: PI-PSA001 | Brand: Pimoroni

The Pulse Sensor Amped is a plug-and-play heart-rate sensor for Arduino. It detects pulse by measuring changes in reflected light as blood pumps through your tissues, providing a real-time analogue signal that fluctua...

SKU: PL-1696 | Brand: Pololu

This force-sensing resistor (FSR) from Interlink Electronics is a passive component that exhibits a decrease in resistance when there is an increase in the force applied to the 0.58″-diameter (1.5 cm) active area...

SKU: PL-2458 | Brand: Pololu

The QTR-1A reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" module that can be mounted almost anywhere and is great for edge detection and line fo...

SKU: PL-2453 | Brand: Pololu

A compact carrier board for the Allegro ACS711EX Hall effect-based linear current sensor with overcurrent fault output. It measures bidirectional current up to ±31 A with a proportional analogue voltage output centred...

SKU: SF-SEN-12969 | Brand: SparkFun

A 10-pack of disposable biomedical sensor pads (electrodes) for measuring EEG, ECG, and EMG signals. Each pad features integrated latex-free gel for strong skin adhesion and a snap connector that attaches easily to el...

SKU: AF-5628 | Brand: Adafruit

A compact, self-centering analogue thumbstick with a feel and size similar to Nintendo Joy-Con joysticks. It uses two 10kΩ potentiometers (one for each axis) to provide proportional X/Y analogue output, plus a centre-...

SKU: LB-ANEMO | Brand: Little Bird

A robust three-cup anemometer with 4–20mA current loop output, ideal for industrial monitoring and control applications. The all-aluminium construction provides excellent weather resistance, while the wear-free rotati...

SKU: AF-2349 | Brand: Adafruit

This Reflective IR Sensor is a simple plastic casing with two elements - an IR LED and an IR phototransistor. You can control the IR LED and turn it on to bounce IR off objects to determine their reflectivity. White &...