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
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2011
Founded
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500+
Products in Range
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CE / RoHS
Certifications
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Global
Distribution Partner
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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
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► Product Families |
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► 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 |
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► 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 |
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► 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. |
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► 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 |
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► Elecfreaks Products by Category
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► Frequently Asked Questions about Elecfreaks |
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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.
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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.
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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.
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Elecfreaks – Request a B2B Quote Now
Class set pricing · Framework contracts · Technical consulting · Fast delivery
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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
![]() ≈ £6.58 | ≈ $8.71 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £6.39 | ≈ $8.45 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £4.59 | ≈ $6.07 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £3.23 | ≈ $4.28 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £13.52 | ≈ $17.89 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 11 workdaysinfo_outline
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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
![]() ≈ £6.22 | ≈ $8.24 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £1.46 | ≈ $1.93 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £3.49 | ≈ $4.62 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £1.80 | ≈ $2.38 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £3.23 | ≈ $4.28 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £2.32 | ≈ $3.07 plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
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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
![]() ≈ £14.17 | ≈ $18.76 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £3.74 | ≈ $4.95 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £5.82 | ≈ $7.70 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £1.66 | ≈ $2.20 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £1.42 | ≈ $1.88 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £1.93 | ≈ $2.56 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £39.63 | ≈ $52.46 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £7.49 | ≈ $9.92 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £5.17 | ≈ $6.85 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £8.56 | ≈ $11.33 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £12.82 | ≈ $16.97 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £3.23 | ≈ $4.28 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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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
![]() ≈ £3.23 | ≈ $4.28 plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
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