• Top view of ELECFREAKS IoT:bit showing ESP8266 module, battery holder, and pin headers.
  • Infographic showing IoT:bit features: LEGO compatible holes, USB power, Built-in RTC, and MakeCode support.
  • Diagram showing IoT:bit compatibility with Smart Home Kit, Smart City Kit, and Agriculture Kit.
  • Detailed diagram of IoT:bit explaining USB power, RTC battery holder, switch, and WiFi module location.
  • Angled view of IoT:bit expansion board highlighting the blue GVS pin headers and power switch.
  • Back view of the ELECFREAKS IoT:bit PCB board showing branding and mounting holes.
1 6
sales

ELECFREAKS IoT:bit WiFi Expansion Board for micro:bit (ESP8266)

ELECFREAKS IoT:bit WiFi Expansion Board for micro:bit (ESP8266)

HK$189.00
HK$189.00
Sale Sold out
Shipping calculated at checkout.

Delivery Options

  • Local delivery within Hong Kong and in-store pickup.​
  • Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.​
  • Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).​
  • Estimated delivery time: 1–3 business days after dispatch (Hong Kong).​
  • In-store pickup details (location and time) will be confirmed by email or phone message.​
  • Delivery times are estimates and may be affected by weather or unforeseen circumstances.​

Unlock the power of the Internet of Things (IoT) with the ELECFREAKS IoT:bit, a powerful WiFi breakout board designed specifically for the BBC micro:bit. Powered by the ESP8266 module, this expansion board allows your micro:bit to connect to the internet, send data to the cloud, and communicate via serial ports effortlessly.

Whether you are building a smart home system, a weather station, or a remote-controlled robot, the IoT:bit provides all the necessary ports and sensors to bring your STEM projects to life.

Key Features

  • Reliable WiFi Connectivity: Integrated ESP8266 Serial WiFi module enables stable internet communication for data uploading and remote control.
  • Rich Expansion Ports: Extends all available micro:bit IO ports using the standard GVS (Ground, Voltage, Signal) 3-pin interface. Perfect for connecting 3V E-blocks like LEDs, servos, and photosensitive sensors.
  • On-Board RTC (Real-Time Clock): Includes a DS1307 RTC and CR1220 battery holder (battery not included), allowing accurate timekeeping even when the main power is off.
  • Integrated Buzzer: Built-in passive buzzer for sound effects and alarms without external wiring.
  • LEGO® Compatible: Designed with standard spacing holes for easy integration with LEGO® Technic bricks and structures.
  • Developer Friendly: Supports multiple programming environments including MakeCode (Block Editor), Python, and JavaScript.

Technical Specifications

  • WiFi Module: Ai-WB2-12F (ESP8266 based)
  • Power Supply: USB (5V) or External
  • Operating Voltage: 3.3V
  • Max Output Current: 800mA
  • RTC Chip: DS1307 (Requires CR1220 coin cell)
  • Dimensions: 71mm x 63mm x 23mm
  • Weight: 30g

What's in the Box

  • 1x ELECFREAKS IoT:bit Expansion Board

(Note: micro:bit board and CR1220 battery are not included)

View full details