Sensors & Modules

SKU: AF-165 | Brand: Adafruit

The TMP36 is a low-power analog temperature sensor that outputs a voltage proportional to ambient temperature. It operates on 2.7–5.5V and requires no external calibration — simply read the analog voltage and convert ...

SKU: AF-3263 | Brand: Adafruit

The Adafruit Universal Thermocouple Amplifier MAX31856 Breakout reads temperature from virtually any thermocouple type — K, J, N, R, S, T, E, or B — with 0.0078125°C resolution and a measurement range of -210°C to +18...

SKU: LB-LR0003 | Brand: Little Bird

This sound detection and microphone module provides both analogue and digital outputs for detecting sound with a microcontroller. The analogue output (AO) delivers a real-time voltage signal proportional to sound inte...

SKU: AF-4097 | Brand: Adafruit

A versatile triple-axis digital accelerometer breakout featuring the Analog Devices ADXL343. With selectable sensitivity of ±2g, ±4g, ±8g, or ±16g and up to 13-bit resolution, this sensor handles everything from preci...

SKU: AF-4026 | Brand: Adafruit

The Adafruit STEMMA Soil Sensor uses capacitive measurement to detect soil moisture — a more durable approach than resistive sensors that corrode over time. With a single probe and no exposed metal, it avoids oxidatio...

SKU: AF-3328 | Brand: Adafruit

The Adafruit PT100 RTD Temperature Sensor Amplifier is a breakout board for the MAX31865 precision RTD-to-digital converter. It reads 2-, 3-, or 4-wire PT100 platinum resistance temperature detectors over SPI, deliver...

SKU: DF-SEN0204 | Brand: DFRobot

A non-contact liquid level sensor that detects the presence of liquid through a container wall — no direct contact with the liquid required. Using advanced signal processing via the XKC-Y25-T12V chip, it works through...

SKU: DF-SEN0206 | Brand: DFRobot

INTRODUCTION We can divide temperature measurement in to two types: contact and non-contact. Contact measurement can only accurately measure temperature when the testing object and the se...

SKU: EF-EF04097 | Brand: ElecFreaks

The Octopus Capacitive Soil Moisture Sensor uses capacitive sensing to detect soil moisture levels, avoiding the corrosion problems common with resistive sensors for a much longer service life. It outputs an analogue ...

SKU: DF-SEN0529 | Brand: DFRobot

BMM150 is a low-power and low-noise 3-axis geomagnetic sensor from Bosch for compass applications. It allows measurements of the magnetic field and compass angle in three perpendiculars within a measuring range of ±13...

SKU: AF-5183 | Brand: Adafruit

The DHT20 is a nice but inexpensive temperature and humidity sensor from the same folks that brought us the DHT22.This little sensor looks an awful lot like the popular DHT11/DHT22 temperature and humidity s...

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-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: 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-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: 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: 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: PR-PIM458 | Brand: Little Bird

Monitor your world with Enviro and Enviro + Air Quality for Raspberry Pi! There's a whole bunch of fancy environmental sensors on these boards, and a gorgeous little full-colour LCD to display your data. They're th...

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...

SKU: DF-SEN0387 | Brand: DFRobot

This magnetic switch consists of two parts: a reed switch sensor with cable and a magnet trigger in a plastic housing. When the magnet is brought within approximately 1 cm of the sensor, the reed switch closes, allowi...