ELECFREAKS micro:bit Smart City Kit (EF08252) – IoT and Sensor Learning Kit Without micro:bit Board
The ELECFREAKS micro:bit Smart City Kit is a STEM kit for learning the Internet of Things (IoT) and programming by building "smart city" projects with the BBC micro:bit. The kit includes an IoT:bit expansion board with Wi-Fi, an OLED screen, temperature and humidity (DHT11), soil moisture, water level, and ultrasonic sensors, three LEDs, and a 180° servo. The BBC micro:bit board is not included.
Description
The Smart City Kit is built around the IoT:bit, an expansion board that adds Wi-Fi connectivity (ESP8266), a real-time clock (RTC), a buzzer, and broken-out I/O ports for connecting sensors and actuators to the micro:bit. The selection of sensors and modules lets you build themes such as a smart parking lot, a transportation network, or river level monitoring.
By working through the projects, students learn the basics of IoT and programming while building practical solutions – for example an automatic irrigation system, a smart trash can, a push-button crosswalk traffic light, or a shop burglar alarm. The ELECFREAKS WIKI provides 13 detailed example projects with instructions.
Key Features
- IoT:bit expansion board for micro:bit with Wi-Fi, an RTC clock, and a buzzer
- More than 10 modules and sensors: DHT11, soil moisture, water level, ultrasonic (sonar:bit), OLED screen, 3 coloured LEDs, 180° servo
- 13 lesson projects – from subway flood prevention to a smart farm
- Suited to learning IoT, sensors, and programming
- Compatible with BBC micro:bit V1 and V2 (per distributors); board not included
- Detailed lessons and examples on the ELECFREAKS WIKI
- Includes a printed manual, a micro USB cable, and jumper wires
Example Projects
- Water backflow prevention device in a subway
- Automatic irrigation system
- Smart trash can
- The bird's nest
- Temperature and humidity detection in a library
- Automatic pet feeder
- Auto lamps and smart lamps for basketball courts
- Noise detection device in a library
- Push-button crosswalk traffic lights
- Burglar alarm for shops
- The smart farm
What's in the Box
- 1 × IoT:bit expansion board (Wi-Fi) for micro:bit
- 1 × Sonar:bit (ultrasonic distance sensor)
- 1 × OLED screen
- 1 × DHT11 temperature and humidity sensor
- 1 × soil moisture sensor
- 1 × water level sensor
- 1 × red, 1 × yellow, and 1 × green LED
- 1 × EF92A 180° servo
- 1 × micro USB cable
- Jumper wires
- Printed manual (EN)
Not included: BBC micro:bit board.
Suitable For
STEM education in schools, coding and electronics clubs, and learning at home. Suitable for students and teachers who want to run projects on IoT, environmental monitoring, and smart cities.
Technical Specifications
| Model | ELECFREAKS micro:bit Smart City Kit (without micro:bit board) |
|---|---|
| Manufacturer code (SKU) | EF08252 |
| Controller | BBC micro:bit V1 / V2 (not included) |
| Expansion board | IoT:bit (Wi-Fi, RTC, buzzer) |
| Sensors | DHT11 (temperature and humidity), soil moisture, water level, ultrasonic Sonar:bit |
| Display | OLED |
| LEDs | Red, yellow, green |
| Actuator | EF92A 180° servo |
| Lesson projects | 13 (ELECFREAKS WIKI) |
| Brand | ELECFREAKS |
Good to Know
- The BBC micro:bit board is not included – it must be purchased separately.
- Wi-Fi (IoT) projects require a working wireless network and the correct settings.
- The kit contains small electronic parts – adult or teacher supervision is recommended for younger learners.