Sensors & Modules

SKU: AF-1063 | Brand: Adafruit

A well-designed electret microphone amplifier breakout built around the Maxim MAX4466 op-amp, specifically engineered for microphone amplification with excellent power supply noise rejection. The board comes fully ass...

SKU: DF-SEN0244 | Brand: DFRobot

The Gravity Analog TDS Sensor is an Arduino-compatible kit for measuring Total Dissolved Solids (TDS) in water. TDS indicates how many milligrams of soluble solids are dissolved per litre — the higher the value, the l...

SKU: AF-2831 | Brand: Adafruit

This Photo Transistor Light Sensor is a simple sensor that detects ambient light. It's kind of the opposite of an LED - when light hits the little chip inside, it induces current to flow from the long pin...

SKU: SF-SEN-10293 | Brand: SparkFun

A simple piezo element that can be used as both a sensor and a small audio transducer. When flexed or tapped, it generates a voltage that can be read by a microcontroller, making it ideal for knock and vibration detec...

SKU: EF-EF04086 | Brand: ElecFreaks

A single-channel 3 V relay module from the ElecFreaks OCTOPUS series, designed for use with the BBC micro:bit. It uses a high-quality HUIKE relay capable of switching loads up to 30 A, making it suitable for controlli...

SKU: WS-20645 | Brand: Waveshare

A USB-to-UART (TTL) communication module based on the PL2303GS chip. Connect it to your PC via USB and communicate with microcontrollers, single-board computers, and other TTL-level serial devices. Three LED indicator...

SKU: WS-24657 | Brand: Waveshare

BMM150 3-axis Magnetometer Sensor, Digital Compass Sensor, Magnetic Field Measurement BMM150 3-axis Magnetometer Sensor Suitable for compass, electronic compass applications ...

SKU: WS-24964 | Brand: Waveshare

An industrial-grade 8-channel relay module controlled via Ethernet, supporting Modbus RTU and Modbus TCP protocols. Features PoE power supply (IEEE 802.3af), optocoupler isolation, reverse-polarity protection, and a r...

SKU: WS-24370 | Brand: Waveshare

The LC76G is a multi-GNSS positioning module that supports GPS, BeiDou (BDS), GLONASS, Galileo, and QZSS satellite systems. It allows multi-system combined or single-system independent positioning for fast, accurate l...

SKU: EF-EF04055 | Brand: ElecFreaks

OCTOPUS PIR Sensor module is a type of electronic building block based on AM412 pyroelectric digital smart sensor. It can be used in sensing and detection of human or animal motion, sensing distance is about 4-5 me...

SKU: AF-935 | Brand: Adafruit

The MCP4725 breakout board provides a 12-bit digital-to-analogue converter (DAC) over I2C. Send a digital value and the VOUT pin outputs the corresponding analogue voltage — ideal for generating waveforms, adjustable ...

SKU: DF-SEN0257 | Brand: DFRobot

The Gravity Analog Water Pressure Sensor measures water or gas pressure and outputs a linear 0.5–4.5 V analogue signal proportional to the applied pressure (0–1.6 MPa). Using the DFRobot Gravity 3-pin interface, it co...

SKU: DF-DFR0052 | Brand: DFRobot

The DFRobot Vibration Sensor buffers a piezoelectric transducer that responds to strain changes by generating a measurable output voltage change which is propotional with the strength of vibration.So you can know the...

SKU: SF-COM-08642 | Brand: SparkFun

This is a small device called a reed switch. When the device is exposed to a magnetic field, the two ferrous materials inside the switch pull together and the switch closes. When the magnetic field is removed, the ...

SKU: DF-DFR0151 | Brand: DFRobot

The DS1307 Real Time Clock module developed by one of our designers: Waiman. The module comes fully assembled and pre-programmed with the current time (ok, so it's our current time - MST). The included Lithium co...

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: DF-SEN0638 | Brand: DFRobot

HUSKYLENS 2 is a powerful AI vision sensor with a 1.6GHz dual-core processor and 6 TOPS AI accelerator. With 20+ built-in AI models and the ability to train and deploy custom YOLO models, it brings advanced computer v...

SKU: WS-25219 | Brand: Waveshare

Industrial USB TO 4Ch RS485 Converter, Multi Protection Circuits, Multi Systems Support, Aluminium Alloy Case, Wall-Mount & Rail-Mount Support Industrial USB TO 4CH RS485 Communication Module...

SKU: DF-DFR0759 | Brand: DFRobot

This Gravity: I2C HUB module is designed to connect up to 8 I2C devices to a main-controller, which allows you easily to hook up multiple I2C devices in project building, for instance, use Gravity-4P I2C/UART sen...

SKU: AF-4681 | Brand: Adafruit

The Adafruit BH1750 Light Sensor is a 16-bit ambient light sensor from Rohm that provides measurements directly in lux — the SI unit for illuminance. This makes it easy to compare readings against reference values or ...