All Products

SKU: DF-SEN0114

A resistive soil moisture sensor that reads the water content of surrounding soil by measuring electrical resistance between its two probes. Wetter soil conducts more easily (lower resistance), while dry soil conducts poorly (higher resistance) — giving you an analogue voltage output proportional...

SKU: SS-110060762

Expand your micro:bit with the Grove Inventor Kit – a complete package of sensors, displays, and actuators that connect without soldering. The kit includes a Grove shield that adds plug-and-play Grove ports to your micro:bit, plus 8 carefully selected modules to get you building projects immediat...

SKU: SS-110010044

The Grove Starter Kit for Seeed Studio XIAO bundles the XIAO Expansion Board with 9 Grove modules and additional components, providing a complete introduction to the XIAO development platform. Designed for beginners, it comes with free online courses to help you get started quickly. The kit cove...

SKU: DF-SEN0394

The Gravity SGP40 Air Quality Sensor uses Sensirion's SGP40 digital VOC sensor chip with built-in temperature and humidity compensation. It outputs a VOC index (0–500) that can be used directly to evaluate indoor air quality without calibration. The Gravity interface provides plug-and-play connec...

SKU: AF-4026

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 oxidation issues and won't introduce DC currents into your plants. The ATSAMD10 microco...

SKU: AF-5862 · MPN: ADA5862

The Adafruit Grove and STEMMA QT FeatherWing brings Seeed Studio's Grove plug-and-play ecosystem to Adafruit Feather boards. With three analog/digital connectors, one UART connector, two I²C connectors, and a vertical STEMMA QT port, you can quickly connect a range of Grove sensors and modules to...

SKU: DF-SEN0152

Ultrasonic sensors emit ultrasonic pulses, and by measuring the time of ultrasonic pulse reaches the object and back to the transducer, the distance of sensor from the target object is calculated. They are widely used in detecting displacement, thickness, distance, water level, material level and...

SKU: SS-101020023

The Sound sensor module is a simple microphone. Based on the power amplifier LM386 and the electret microphone, it can be used to detect the sound strength of the environment. The value of output can be adjusted by the potentiometer.   Features Grove compatible interface Wide supply vo...

SKU: AF-4528

A 100 mm adapter cable that bridges the gap between Grove and STEMMA QT / Qwiic ecosystems. One end features a Grove connector, the other a JST SH (STEMMA QT / Qwiic compatible) connector — making it easy to mix and match sensors, breakouts, and host boards across different connector standards. ...

SKU: EF-EF04090

The Octopus PM2.5 module from ElecFreaks is a laser-based particulate matter sensor built around the ZH03B dust sensor. It measures PM2.5 concentration in the air with high consistency and real-time response, capable of detecting particles as small as 0.3 µm in diameter. Part of the Octopus elec...

SKU: SS-103030195

The Grove Shield for micro:bit is a plug-and-play expansion board that bridges the micro:bit with the Seeed Studio Grove ecosystem. It provides 4 Grove connectors on-board (covering different interfaces) with provision for 4 additional Grove ports, giving access to hundreds of Grove sensors, actu...

SKU: SS-101020003

A simple momentary push button module in the Grove form factor. When pressed it outputs a HIGH signal; when released it returns to LOW. The button includes a built-in pull-down resistor, so it's ready to use as a digital input straight out of the box. Part of the Seeed Studio Grove ecosystem, it...

SKU: AF-2472

The Adafruit BNO055 breakout delivers complete 9-DOF orientation sensing with onboard sensor fusion — no complex algorithms to write yourself. The Bosch BNO055 combines an accelerometer, gyroscope, and magnetometer on a single die with an ARM Cortex-M0 processor that handles all fusion calculatio...

SKU: EC-CDD10240D

The devDuino Relay 1 Node V1.0 is a compact Arduino-compatible microcontroller board with a built-in mains power supply (110–220 V AC), a 10 A relay, and an nRF24L01+ wireless transceiver. It is designed for building wireless home automation networks with support for over-the-air (OTA) firmware u...

SKU: AF-4424

A 200mm adapter cable with a JST-SH 4-pin connector (STEMMA QT / Qwiic, 1mm pitch) on one end and a JST-PH 4-pin connector (STEMMA / Grove, 2mm pitch) on the other. Use it to bridge I2C sensors and drivers between the two connector ecosystems. Both connectors have a latching feel for secure conn...

SKU: DF-SEN0666 · MPN: SEN0666

This compact Fermion breakout brings the Bosch BMP585 MEMS pressure and temperature sensor to a tiny board for projects where space, power use and reliable environmental sensing matter. It measures barometric pressure for altitude and vertical movement applications, with typical absolute pressure...

SKU: AF-4646

The Adafruit BNO055 STEMMA QT breakout delivers complete 9-DOF orientation sensing with onboard sensor fusion and plug-and-play I2C connectivity. The Bosch BNO055 combines an accelerometer, gyroscope, and magnetometer on a single die with an ARM Cortex-M0 processor that handles all fusion calcula...

SKU: EF-EF04060

The Octopus MQ3 Alcohol Sensor Brick from ElecFreaks is an analogue gas sensor module with high sensitivity to alcohol vapour. It outputs an analogue voltage proportional to the detected alcohol concentration, making it straightforward to interface with Arduino and other microcontrollers. The MQ...

SKU: SS-114991884

The BitCar is a micro:bit-powered robot car kit featuring autonomous line following, ultrasonic obstacle avoidance, and remote control capabilities. Built around a sturdy chassis with two metal gear motors, the car includes built-in modules for buzzer, line follower, and four addressable RGB LEDs...

SKU: AF-3955

This 200 mm cable converts a JST PH 4-pin connector into four individual wires with 0.1″ (2.54 mm) male header pins on the end. It's designed for connecting STEMMA and Grove I²C boards to breadboards, socket headers, or any standard 0.1″ pitch connection. Key Features JST PH to Male Headers – ...