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ElecFreaks IoT results here are centered on BBC micro:bit projects, usually using the IoT:bit (ESP8266 WiFi) expansion board.
Core ElecFreaks IoT (WiFi) board
- iot:bit for micro:bit ($20.85) — the key add-on that provides ESP8266 WiFi and breaks out micro:bit I/O for sensor/actuator projects.
Full ElecFreaks IoT learning kits (project bundles)
- micro:bit smart science IoT kit (with micro:bit) ($126.85) — complete bundle for science + IoT data projects.
- Micro:Bit smart Science IoT kit (without Micro:Bit) ($126.85) — same idea, but for classrooms that already have micro:bits.
- micro:bit Smart City Kit (Without micro:bit board) ($69.10) — smart-city themed builds (sensors/servos) around IoT:bit.
- micro:bit Smart Agriculture Kit (Without micro:bit board) ($75.10) — agriculture monitoring/control projects using IoT:bit + common environment sensors.
Classroom/Scenario IoT kits (guided builds)
- ELECFREAKS Classroom Smart Home Kit ($59.05) — smart-home demo builds using IOT:bit, sensors, servo, LED, and OLED.
- ELECFREAKS Classroom Smart Air Purifier Kit ($43.75) — air-quality themed build using IOT:bit + fan + dust sensing.
- ELECFREAKS Classroom Smart Pet Feeder Kit ($54.00) — feeder automation with IOT:bit, PIR motion sensing, sonar, and servo control.
- ELECFREAKS micro:bit Smart Greenhouse Kit ($64.70) — smart-agriculture/greenhouse style classroom kit based on micro:bit + IoT expansion.
- ELECFREAKS micro:bit Smart Climate Kit, designed based on micro:bit V2 and IOT:bit expansion board ($136.00) — more advanced climate monitoring focused on micro:bit V2 + IOT:bit.
Related ElecFreaks IoT add-ons
- Sensor WiFi ELECFREAKS PlanetX ($14.15) — a lower-cost way to add ESP8266-based WiFi capability for micro:bit projects.
- Octopus Analog Noise Sound Sensor Detection Module ($6.15) — a common input sensor used in smart-home style IoT builds.
Which ElecFreaks IoT option are you looking for?
Collections
Showing 1-20 of 51 products · 9 unavailable products hidden
ELECFREAKS micro:bit Nezha Pro AI Mechanical Power Kit
MPN: EF08437
Smart AI Lens kit for Micro:bit
ELECFREAKS micro:bit Nezha Pro Ocean Kit
MPN: EF08436
ELECFREAKS Classroom Smart Air Purifier Kit
1 Channel Relay 3V Relay Module for Micro:bit
ELECFREAKS micro:bit Petal Smart Home Explorer Kit
Sensor WiFi ELECFREAKS PlanetX
MPN: EF05036
ELECFREAKS Mechanical Catch (Use With Cutebot)
ELECFREAKS Knight Truck
ELECFREAKS PlanetX LED - Green
MPN: EF05010
Octopus MQ3 Alcohol Sensor Brick
Octopus Passive buzzer Brick OBPB01
ELECFREAKS Wukong2040 Breakout Board For Raspberry Pi Pico
360 Digital Servo (EF90D) with wheel and tire
Octopus Button Switch Brick OBButton
ELECFREAKS Classroom Smart Home Kit
Octopus Water level sensor
ELECFREAKS 360 Degrees Building Blocks Servo
8x16 matrix module
Micro:bit Starter Kit (Without Micro:bit board)
ELECFREAKS micro:bit Nezha Pro AI Mechanical Power Kit
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The ELECFREAKS micro:bit Nezha Pro AI Mechanical Power Kit is designed specifically for teenagers aged 7-14. With the Nezha Pro Expansion Board as its core, it is equipped with multiple sensors, such as a voice recognition module and a gesture recognition sensor, along with over 500 building bloc...
Smart AI Lens kit for Micro:bit
The Smart AI Lens kit for micro:bit brings machine vision and AI capabilities to your classroom or maker project. Powered by a K210 processor, the AI Lens camera module can recognise faces, track objects and colours, identify pattern cards, and even learn to recognise custom objects with a single...
ELECFREAKS micro:bit Nezha Pro Ocean Kit
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The ELECFREAKS micro:bit Nezha Pro Ocean Kit is an ocean-themed STEM education kit that guides students through Ian's ocean adventure storyline with a project-based learning approach. Using electronic components and building blocks, students explore marine ecology, understand concepts like tidal ...
ELECFREAKS Classroom Smart Air Purifier Kit
The ELECFREAKS Classroom Smart Air Purifier Kit includes components such as the IOT: bit expansion board, motor fan, and dust sensor. These components can achieve rich functions and perfectly match with the micro: bit development board, allowing you to explore more interesting smart homemaker ...
1 Channel Relay 3V Relay Module for Micro:bit
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 controlling home appliances and other high-current devices. The module runs on 3 V power...
ELECFREAKS micro:bit Petal Smart Home Explorer Kit
Description The ELECFREAKS micro:bit Petal Smart Home Explorer Kit is a hands-on learning suite designed for teenagers aged 8-16. Using sensors, servobs, and assemblable structural components enables the construction of life-oriented devvices like smart lighting, automatic cloth...
Sensor WiFi ELECFREAKS PlanetX
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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...
ELECFREAKS Mechanical Catch (Use With Cutebot)
ELECFREAKS Mechanical Catch (Use With Cutebot) is a gripper that uses an SG92R servo as a power source. The servo uses a PWM signal to drive the gripper gear to rotate and control the gripper for clamping and releasing operations. The structure adopts a design compatible with Lego 8mm round holes...
ELECFREAKS Knight Truck
The ELECFREAKS Knight Truck is a buildable robotics kit that can be assembled into multiple different robot configurations. The modular construction system is compatible with LEGO bricks, allowing you to combine standard building pieces with electronic components for custom designs. The kit supp...
ELECFREAKS PlanetX LED - Green
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A green LED module from the ELECFREAKS PlanetX sensor range, designed for use with micro:bit and the Nezha expansion board. The RJ11 connector makes it simple to plug in — no soldering or breadboard required. Control brightness via analogue input, create flashing patterns, or combine with other ...
Octopus MQ3 Alcohol Sensor Brick
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...
Octopus Passive buzzer Brick OBPB01
The Octopus Passive Buzzer Brick is a plug-and-play buzzer module from the Elecfreaks Octopus series. Unlike an active buzzer, the passive design lets you control both tone and volume via PWM, making it ideal for generating melodies, alarms, and sound effects. Part of the Octopus Electronic Bric...
ELECFREAKS Wukong2040 Breakout Board For Raspberry Pi Pico
DescriptionWukong 2040 is a multifunctional Breakout Board designed for Raspberry Pi Pico. In terms of functions, it is equipped with a buzzer, A\B buttons, rainbow lights, motor interface, reset button, etc., to meet the needs of creators for IO programming and peripheral expansion. In terms of ...
360 Digital Servo (EF90D) with wheel and tire
The ElecFreaks EF90D is a compact 360-degree continuous rotation digital servo designed for use with the BBC micro:bit. It operates at 3V, making it well-suited for micro:bit-powered robotics and motorised projects. The included wheel and tyre let you get moving straight away. Key Features 360...
Octopus Button Switch Brick OBButton
The Octopus Button Switch Brick is a simple, plug-and-play pushbutton module from the ElecFreaks Octopus Electronic Bricks series. It features a large button with a transparent cap — you can insert a custom label underneath for easy identification in your projects. Designed for breadboard-free c...
ELECFREAKS Classroom Smart Home Kit
The Classroom Smart Home Kit includes components such as an IOT:bit expansion board, crash sensor, 180-degree servo, rainbow LED, noise sensor, light sensor, and OLED display. These components enable a wealth of functionality and work perfectly with the micro:bit board, allowing you to explore mo...
Octopus Water level sensor
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...
ELECFREAKS 360 Degrees Building Blocks Servo
ELECFREAKS is an official Partner of micro:bit Educational Foundation focusing on developing educational and creative micro:bit accessories for the world. We devote to providing the most complete and excellent products and services to our customers. We have created tutorial blogs, learning materi...
8x16 matrix module
The 8×16 LED Matrix Module is an I2C-controlled dot matrix display designed for the BBC micro:bit. It can display numbers, letters, symbols, and scrolling text, making it ideal for adding visual output to micro:bit projects. The module connects via the I2C bus for simple two-wire communication a...
Micro:bit Starter Kit (Without Micro:bit board)
ElecFreaks Micro:bit Starter Kit is designed for people who is at the door step of learning electric circuit and programming knowledge. The kit has provided some basic electronic components like LED, button, buzzer, temperature sensor , steering engine and motor etc.. You can not only learn basic...
