All Products

SKU: EF-EF05032 · MPN: EF05032

An alcohol vapour sensor module from the ELECFREAKS PlanetX range, designed for use with micro:bit via an RJ11 connector. The MQ3 sensor uses a tin dioxide (SnO2) sensing element whose conductivity increases with alcohol gas concentration, providing an analog output you can read and process in Ma...

SKU: EF-EF05018 · MPN: EF05018

An analogue trimpot (trimmer potentiometer) sensor module from the ELECFREAKS PlanetX series, designed for use with micro:bit via RJ11 connection. The potentiometer provides stepless rotation over a 0°–300° range, outputting a variable analogue voltage that can be used to control sound levels, LE...

SKU: DF-EDU0170

The Gravity Science Data Acquisition Module Kit is a comprehensive toolkit for conducting digital scientific experiments without programming or electronics knowledge. Built around the DFRobot SCI DAQ module, it includes four sensors covering soil moisture, ambient light, temperature/humidity, and...

SKU: EF-EF04094

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 V) and other microcontrollers operating at 3–5.5 V. Part of the ElecFreaks Oct...

SKU: KS-KS4028

Launched by Keyestudio, this smart home kit is based on the open-source hardware of Micro:bit and designed for those who dream of living a more comfortable life with the help of technologies. This smart home system, with Micro:bit as its control board, is equipped with a 1602 LCD, a DHT11 temper...

SKU: LB-24-ATMOS

A compact barometric pressure and temperature sensor module that communicates over I2C. Ideal for weather stations, altitude estimation, and environmental monitoring projects with micro:bit, Arduino, or other microcontrollers. Key Features Measurements – Atmospheric pressure and temperature I...

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: DF-MBT0034

The Environment Science Expansion Board V2.0 is a micro:bit add-on designed for STEAM education, integrating 14 environmental sensors and modules onto a single tree-shaped board. Students can measure UV levels, temperature, humidity, air pressure, air quality, water quality, soil moisture, sound,...

SKU: DF-EDU0208 · MPN: EDU0208

This hands-on STEM kit helps students build a smart drip irrigation model while learning about automated agriculture, water conservation and climate action. It combines environmental sensors with a micro:bit or UNIHIKER K10 microcontroller to monitor soil moisture and water level, then control a ...

SKU: EF-EF08203

The Smart Science IoT Kit from ElecFreaks is a comprehensive sensor and IoT learning kit built around the IoT:bit breakout board for micro:bit. It combines environmental sensors with WiFi connectivity, allowing students to collect real-world data and send it to the cloud for analysis. With senso...

SKU: LB-LR0214-33

A simple 4-digit LED display module with a 2-wire serial interface (CLK and DIO), making it easy to add numeric readouts to micro:bit, Arduino, and other microcontroller projects. The module operates at 3.3V or 5V and requires just four connections: CLK, DIO, VCC, and GND. Key Features 4-Digit...

SKU: EF-EF05036 · MPN: EF05036

The Elecfreaks PlanetX WiFi Sensor adds wireless connectivity to your micro:bit projects via the ESP8266 module. Upload sensor data to IoT platforms, monitor readings remotely, and send commands back to your micro:bit — all over Wi-Fi. Connects to the Elecfreaks Nezha expansion board via the RJ1...

SKU: LB-24-THERMISTOR

A thermistor changes its resistance with temperature. Find our tutorial here A thermistor is a type of variable resistor whose resistance changes with temperature. Let's take a closer look at the thermistor module.3.3V  : 'VCC' stands for Voltage Common Collector. We'll connect the VCC pi...

SKU: EF-EF08313 · MPN: EF08313

The ELECFREAKS Smart Greenhouse Kit is a hands-on STEM kit that simulates smart agriculture using a micro:bit and IoT expansion board. Students plant seeds in the built-in growth groove, monitor conditions with integrated sensors, and program automated responses — learning about environmental sci...

SKU: EL-CRB0000MK

Description "Inventor Kit" is the primary robot programming kit of the Crowbits series. It uses Micro:bit as the mainboard console, and combines with magnetic electronic modules as well as Lets code, a visual graphics programming software. Through simple drag-and-drop programming, kids can create...

SKU: LB-LS2696

A waterproof NTC thermistor temperature sensor with a 100cm (1 metre) cable and stainless steel probe. The 10KΩ resistance at 25°C and standard B-constant make it easy to read with an Arduino or other microcontroller ADC input — just use a voltage divider with a matching 10K resistor. Key Featur...

SKU: EF-EF03415

The sensor:bit is a breakout board for the BBC micro:bit that extends all available I/O ports into standard GVS (Ground-Voltage-Signal) pin headers. This makes it easy to connect 3 V electronic modules like LEDs, photocells, servos, and other sensors without a breadboard. The board also features ...

SKU: LB-10K-5

A pack of five NTC thermistor temperature probes, each with a 1-metre wire lead for remote temperature sensing. These 10 KΩ (at 25°C) NTC sensors are sealed in a cylindrical metal probe for durability and are suitable for measuring temperatures from −30°C to +110°C. NTC thermistors decrease in r...

SKU: SF-DEV-21326 · MPN: DEV-21326

This compact MicroMod processor board adds an STM32F405 to a compatible MicroMod Carrier Board, giving your project an ARM® Cortex®-M4 32-bit RISC core in a small, swappable M.2 module.The bevelled edge connector keys into the MicroMod M.2 socket and is secured with the screw supplied with MicroM...

SKU: LB-LS0824-V2

This IO expansion board adapter for the micro:bit V2 breaks out all pins to accessible connectors, making it easy to connect sensors, modules, servos, and other peripherals to your micro:bit projects without alligator clips or soldering. The compact, plug-in design makes it a practical addition ...