The iot:bit is an expansion board based on IoT for the micro:bit, now compatible with the micro:bit V2! It uses an ESP8266 Wi-Fi expansion board and serial port to communicate with the micro:bit. It has all available IO ports extended from the micro:bit GVS connector, allowing you to connect other components. An onboard buzzer for sound is included alongside a real-time clock (RTC) for accurate timing without a power supply connected 24/7. Compatible with micro:bit V1 and V2. Features * Integrated ESP12F Wi-Fi * RTC * Passive buzzer module * Extended most IO ports by GVS * Silk-screen indication onboard main components * Separately lead IIC interface, directly plug in an OLED, BME280 and IIC etc * Integrated buzzer and headphone jack * Adaptive for building bricks (4 standard spacing building brick fixed holes) Resources * Full details, coding and setup instructions Package Contents * 1x iot:bit for micro:bit CR1220 battery not included Specifications DC supply USB-5V Maximum power current 800mA Operation temperature -25~80℃ WIFI module ESP8266 ESP12F Buzzer Passive buzzer RTC timing DS1307 RTC RTC timing battery CR1220 button cell (NOT INCLUDED) Size 71.00mm X 63.00mm Net weight 30.00g https://elecena.pl/product/22719156/iot-bit-for-micro-bit 2023-03-07 https://elecena.pl/product/22719156/iot-bit-for-micro-bit 2023-12-27 https://elecena.pl/product/22719156/iot-bit-for-micro-bit 2024-09-19 https://elecena.pl/product/22719156/iot-bit-for-micro-bit 2024-11-29 https://elecena.pl/product/22719156/iot-bit-for-micro-bit 2024-11-30 https://elecena.pl/product/22719156/iot-bit-for-micro-bit 2025-11-28 https://elecena.pl/product/22719156/iot-bit-for-micro-bit 2025-11-29