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Products of Elecfreaks

Elecfreaks: Maker Electronics & STEM Education Modules for Industry and Commerce

micro:bit accessories, Arduino modules, robotics kits, sensors, expansion boards – Elecfreaks products at Lieske Electronics B2B

2011
Founded
500+
Products in Range
CE / RoHS
Certifications
Global
Distribution Partner

Founded in 2011, Elecfreaks has established itself as a leading provider of maker electronics and STEAM education kits. As an official partner of the micro:bit Educational Foundation, the company develops intuitive modules, add-on boards and complete kits that bring programming, electronics and robotics to life.

The product range includes expansion boards and sensor modules for micro:bit, Arduino and Raspberry Pi Pico, complete robotics sets, laser engraving machines and a wide range of individual components (Octopus, PlanetX, Jacdac, Petal series). The plug-and-play architecture enables rapid prototyping without soldering.

Thanks to its own supply chain and manufacturing in China, Elecfreaks offers excellent value for money. All products comply with CE, RoHS and FCC – ideal for schools, university laboratories, industrial training and prototype development.

★ Certifications & Platforms
CE
CE / RoHS / FCC certified
BBC
Official micro:bit Partner
MC
MakeCode & MicroPython
OEM
OEM customisation possible
► Product Families
► micro:bit Accessories & Boards

Expansion boards (Sensor:bit, Ring:bit, Wukong), breakout boards and shields for all micro:bit versions. Direct plug-in of sensors without soldering.

✓ V1/V2 compatible  ✓ Plug-in  ✓ MakeCode blocks

► Robotics Kits

Cutebot, Nezha, Wonder Robot – driverless robot platforms and multi-axis construction kits for education and prototyping. Support multiple programming languages.

✓ Pre-built  ✓ LEGO-compatible  ✓ Scratch/Python

► Sensors & Modules

Octopus, PlanetX and Jacdac sensor series: temperature, ultrasonic, colour, humidity, gas, soil moisture and many more. Pluggable ecosystem for rapid assembly.

✓ Plug-and-Play  ✓ 3.3 V/5 V  ✓ Arduino/Pico

► Laser Engraving Systems

Compact CNC laser engravers for wood, acrylic, leather and plastic. Suitable for school training workshops, maker spaces and small production facilities.

✓ Desktop format  ✓ Open-source  ✓ GRBL

► Industries & Applications
► Schools & Universities

STEM curricula, computer science classes and robotics clubs: ready-to-use kits with guided instructions and online resources.

► Industrial Training

Vocational schools and company training workshops use Elecfreaks kits for hands-on programming, sensor technology and control engineering training.

► Prototype Development

Engineers and developers use sensor modules and expansion boards for rapid hardware prototypes in IoT, automation and embedded systems.

► Maker Spaces & FabLabs

Open workshops benefit from the broad platform compatibility and the affordable entry price of Elecfreaks modules.

► Research & Development

Research labs use the extensive sensor library and open hardware architecture for reproducible experimental setups.

► Corporate Training

Training centres and HR departments rely on Elecfreaks kits for digital skills programmes and Industry 4.0 training courses.

◆ Your Advantages with Elecfreaks
Official micro:bit partner: verified compatibility and up-to-date firmware support
Plug-and-play system: no soldering, no deep technical knowledge required – ready to use immediately
CE/RoHS/FCC certified: legally compliant for use in schools and public institutions
500+ products: largest sensor and module selection in the micro:bit/Arduino ecosystem
Own supply chain: competitive prices through integrated manufacturing in China
B2B class set offers: volume pricing for schools and training companies via Lieske
► Elecfreaks Products by Category
Electronics Assembly Systems Embedded Systems
Compact PLC Systems Wireless Bus Systems
► Frequently Asked Questions about Elecfreaks
Are Elecfreaks products certified for commercial use?
Yes – almost all products carry CE, RoHS and FCC. These certifications are required for use in schools, public institutions and commercial training facilities within the EU.
Which programming environments are supported?
Elecfreaks products support Microsoft MakeCode (graphical/block-based), MicroPython, Arduino IDE and Scratch extensions. Free tutorials and sample code are available for every kit.
Are volume prices available for schools and institutions?
Yes – Lieske Electronics offers volume pricing and class set packages for educational institutions. Please send enquiries to sales@industry-electronics.com with your requirements and institution details.
Elecfreaks – Request a B2B Quote Now
Class set pricing · Framework contracts · Technical consulting · Fast delivery
Send Enquiry ►

ELECFREAKS Powerbit Elecfreaks EF03409ELECFREAKS Powerbit
ELECFREAKS Power:bit is an expansion board for micro:bit. Power:bit is powered by two 2025 button cells and has an integrated buzzer on the circuit board. Due to its small size, it is ideal for ...

Lieske Part No.: 2041442
Mfg Part No: EF03409
7,63 EUR 7,76 EUR
Elecfreaks EF03409 plus VAT
≈ £6.58  |  ≈ $8.71
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS Sensor:bit (without micro:bit board) Elecfreaks EF03415ELECFREAKS Sensor:bit (without micro:bit board)
Sensor:bit is an expansion board for micro:bit. It has a built-in buzzer and an audio jack so you can listen to music through the buzzer or through headphones.
Specifications:Operating voltage: 2.7 - ...

Lieske Part No.: 2041393
Mfg Part No: EF03415
7,41 EUR 7,55 EUR
Elecfreaks EF03415 plus VAT
≈ £6.39  |  ≈ $8.45
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS Ring:bit V2 for micro:bit Elecfreaks EF03423ELECFREAKS Ring:bit V2 for micro:bit
The Ring:bit Expansion Board V2 for micro:bit is a simple PCB for the micro:bit. The Ring:bit expands the 3 GPIO ports of the micro:bit. This module is used to convert the P0/P1/P2 port to the common ...

Lieske Part No.: 2082986
Mfg Part No: EF03423
5,32 EUR
Elecfreaks EF03423 plus VAT
≈ £4.59  |  ≈ $6.07
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS Rainbow LED Strip for Ring:bit V2 Elecfreaks EF03425ELECFREAKS Rainbow LED Strip for Ring:bit V2
The LED strip for Ring:bit V2 is the special module for Ring:bit V2. It brings you multiple beautiful colors with easy assembly. Comes with 8 full color rainbow LEDs. You can upgrade your ring:bit car ...

Lieske Part No.: 2082987
Mfg Part No: EF03425
-13% 3,75 EUR 4,33 EUR
Elecfreaks EF03425 plus VAT
≈ £3.23  |  ≈ $4.28
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS IOT:bit (without micro:bit board) Elecfreaks EF03426ELECFREAKS IOT:bit (without micro:bit board)
IoT:bit is an IoT-based expansion card for micro:bit. It uses the ESP8266 WIFI chip and serial port to communicate with the micro:bit. It has also expanded all available IoT ports on the micro:bit. It ...

Lieske Part No.: 2041394
Mfg Part No: EF03426
15,68 EUR
Elecfreaks EF03426 plus VAT
≈ £13.52  |  ≈ $17.89
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 11 workdaysinfo_outline
ELECFREAKS Cutebot Lithium Battery Set Elecfreaks EF03446ELECFREAKS Cutebot Lithium Battery Set
The lithium battery for Smart Cutebot Car is a 3.6V rechargeable battery that ensures a stable and powerful power supply. The onboard power management system allows for easy charging. The 4 customized ...

Lieske Part No.: 1156429
Mfg Part No: EF03446
-10% 7,22 EUR 8,05 EUR
Elecfreaks EF03446 plus VAT
≈ £6.22  |  ≈ $8.24
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS Octopus Crash Sensor Elecfreaks EF04013ELECFREAKS Octopus Crash Sensor
The Crash Sensor is a crash switch based sensor module with simple circuit design and high sensitivity.
Features:
Low output level when touched, high level when released - Used for collision detection ...

Lieske Part No.: 2082990
Mfg Part No: EF04013
-20% 1,69 EUR 2,10 EUR
Elecfreaks EF04013 plus VAT
≈ £1.46  |  ≈ $1.93
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS Octopus ADKeypad building block Elecfreaks EF04017ELECFREAKS Octopus ADKeypad building block
The Octopus ADKeypad device uses an analog input to read the five key state, which stores the IO resource for the Arduino. It can be used together with an I/O expansion board to create an amazing ...

Lieske Part No.: 2082989
Mfg Part No: EF04017
-14% 4,05 EUR 4,69 EUR
Elecfreaks EF04017 plus VAT
≈ £3.49  |  ≈ $4.62
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS Octopus Soil Moisture Sensor - Soil Moisture Sensor Elecfreaks EF04027ELECFREAKS Octopus Soil Moisture Sensor - Soil Moisture Sensor
The soil moisture sensor can detect the moisture content in the soil surrounding it. It is a low-tech sensor ideal for monitoring urban gardens or even just checking the water level of your ornamental ...

Lieske Part No.: 2082981
Mfg Part No: EF04027
-20% 2,09 EUR 2,60 EUR
Elecfreaks EF04027 plus VAT
≈ £1.80  |  ≈ $2.38
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS Octopus Digital display with 4 digits and decimal places Elecfreaks EF04056ELECFREAKS Octopus Digital display with 4 digits and decimal places
The crash sensor is a crash switch based sensor module with simple circuit design and high sensitivity.
Digital display with 4 digits and decimal places.

Lieske Part No.: 2119292
Mfg Part No: EF04056
-13% 3,75 EUR 4,33 EUR
Elecfreaks EF04056 plus VAT
≈ £3.23  |  ≈ $4.28
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS Octopus Motor Building Block - Motor Brick Elecfreaks EF04059ELECFREAKS Octopus Motor Building Block - Motor Brick
The Motor Brick is a building block with a fan motor drive module, it can be used as a simple Arduino teaching demo, convenient for Arduino beginners to learn.

Lieske Part No.: 2082978
Mfg Part No: EF04059
-14% 2,69 EUR 3,11 EUR
Elecfreaks EF04059 plus VAT
≈ £2.32  |  ≈ $3.07
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Elecfreaks Octopus Wind Speed Sensor Elecfreaks EF04083Elecfreaks Octopus Wind Speed Sensor
Dies ist ein Windgeschwindigkeitssensor mit wasserdichtem Design. Er verfügt über einen Standardanschluss für Produkte der Octopus Brick-Serie. Eine höhere Windgeschwindigkeit führt zu einer ...

Lieske Part No.: 226260
Mfg Part No: EF04083
16,44 EUR
Elecfreaks EF04083 plus VAT
≈ £14.17  |  ≈ $18.76
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS Octopus 2-channel tracking module - 2 channel tracking modules Elecfreaks EF04088ELECFREAKS Octopus 2-channel tracking module - 2 channel tracking modules
The Octopus water level sensor is the water level electrical component in the Octopus series. The basic design is from the Octopus electrical bricks, and the outlook setting, PCB mounting hole and ...

Lieske Part No.: 2082980
Mfg Part No: EF04088
-14% 4,34 EUR 5,03 EUR
Elecfreaks EF04088 plus VAT
≈ £3.74  |  ≈ $4.95
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS Octopus Ultrasonic Sensor - Sonar:bit Elecfreaks EF04089ELECFREAKS Octopus Ultrasonic Sensor - Sonar:bit
The ultrasonic distance sensor for micro:bit is available for use with a 3.3V or 5V microcontroller system. It can work well with just a 3-wire (GVS) cable.

Lieske Part No.: 2082985
Mfg Part No: EF04089
-10% 6,75 EUR 7,53 EUR
Elecfreaks EF04089 plus VAT
≈ £5.82  |  ≈ $7.70
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS Light Sensor - Octopus Elecfreaks EF04092ELECFREAKS Light Sensor - Octopus
This light sensor can read the value of the ambient brightness.
Specifications: Input Voltage: 3V-5.5V Connector Type: Analog Pin Name: 1-Signal 2-VCC 3-GND Response: Fast with high sensitivity ...

Lieske Part No.: 2041398
Mfg Part No: EF04092
-11% 1,93 EUR 2,18 EUR
Elecfreaks EF04092 plus VAT
≈ £1.66  |  ≈ $2.20
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS Octopus water level sensor - Water Level Sensor Elecfreaks EF04094ELECFREAKS Octopus water level sensor - Water Level Sensor
The Octopus water level sensor is the water level electrical component in the Octopus series. The basic design is from the Octopus electrical bricks, and the outlook setting, PCB mounting hole and ...

Lieske Part No.: 2082979
Mfg Part No: EF04094
-19% 1,65 EUR 2,04 EUR
Elecfreaks EF04094 plus VAT
≈ £1.42  |  ≈ $1.88
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS Octopus Rainbow LED Strip Elecfreaks EF04098ELECFREAKS Octopus Rainbow LED Strip
Color RGB display and supports multiple cascades at the same time.
Specifications: Standard 3-pin GVS connectors are easy to plug in. Both ends are equipped with a connector and support multiple ...

Lieske Part No.: 2027491
Mfg Part No: EF04098
-19% 2,24 EUR 2,78 EUR
Elecfreaks EF04098 plus VAT
≈ £1.93  |  ≈ $2.56
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS MG811 CO2 Gas Sensor Elecfreaks EF04100ELECFREAKS MG811 CO2 Gas Sensor
MG811 CO2 gas sensor from the Octopus series, basic version with PCB mounting holes and connections like the other components in the series.
The higher the CO2 concentration, the lower the output ...

Lieske Part No.: 2041399
Mfg Part No: EF04100
45,98 EUR
Elecfreaks EF04100 plus VAT
≈ £39.63  |  ≈ $52.46
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS PlanetX sensor temperature and humidity DHT11 Elecfreaks EF05004ELECFREAKS PlanetX sensor temperature and humidity DHT11
It is sensitive to temperature and humidity fluctuations and can be used as an alarm or to detect ambient temperature and humidity.
Specifications:Connections: RJ11 4P4C Power supply: 3.3V Connection ...

Lieske Part No.: 2041403
Mfg Part No: EF05004
-25% 8,69 EUR 11,56 EUR
Elecfreaks EF05004 plus VAT
≈ £7.49  |  ≈ $9.92
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS PlanetX Soil Moisture Sensor - Soil Moisture Sensor Elecfreaks EF05005ELECFREAKS PlanetX Soil Moisture Sensor - Soil Moisture Sensor
The soil moisture sensor can detect the moisture content of the soil. It helps to determine the temperature for the correct growth of plants or to carry out agricultural irrigation experiments.

Lieske Part No.: 2082905
Mfg Part No: EF05005
-14% 6,00 EUR 6,94 EUR
Elecfreaks EF05005 plus VAT
≈ £5.17  |  ≈ $6.85
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS PlanetX Color Sensor - Color Sensor Elecfreaks EF05006ELECFREAKS PlanetX Color Sensor - Color Sensor
The color recognition sensor can give directions to cars and other people by imagining the scene. If he sees a red light, the car stops! If it detects a green light, the car moves on!
Technical ...

Lieske Part No.: 2041402
Mfg Part No: EF05006
9,93 EUR 10,11 EUR
Elecfreaks EF05006 plus VAT
≈ £8.56  |  ≈ $11.33
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS PlanetX ultrasonic sensor - Sonar:bit Elecfreaks EF05007ELECFREAKS PlanetX ultrasonic sensor - Sonar:bit
The ultrasonic sensor creates a reflected echo when the ultrasonic signal from the sensor hits an object. It allows you to judge the road condition in advance when controlling the car remotely.

Lieske Part No.: 2082971
Mfg Part No: EF05007
14,87 EUR 15,35 EUR
Elecfreaks EF05007 plus VAT
≈ £12.82  |  ≈ $16.97
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS PlanetX Crash Sensor Elecfreaks EF05008ELECFREAKS PlanetX Crash Sensor
The crash sensor converts the crash action into an electrical signal. You can create a burglar alarm by placing the sensor on the door or window.

Lieske Part No.: 2082972
Mfg Part No: EF05008
-13% 3,75 EUR 4,33 EUR
Elecfreaks EF05008 plus VAT
≈ £3.23  |  ≈ $4.28
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
ELECFREAKS PlanetX LED red Elecfreaks EF05009ELECFREAKS PlanetX LED red
The LED Red is mostly used as an indicator. It emits beautiful light and adjusts the light under your control. In addition, you can also create installations by creating color combinations, such as an ...

Lieske Part No.: 2082973
Mfg Part No: EF05009
-13% 3,75 EUR 4,33 EUR
Elecfreaks EF05009 plus VAT
≈ £3.23  |  ≈ $4.28
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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