The bit:buddy provides a compact, complete solution for taking your micro:bit projects on the go. This low cost solution is the perfect introduction to the micro:bit and works great for wearable technology. NOTE: This listing is for the inventory that only works with V1 micro:bit. Newer bit:buddy boards use a 7mm screw-down post compatible with V1 & V2 micro:bit boards. Skill Level: Beginner. Duartion: 1-2 Hours. What's included: Compact size: 74mm x 40mm x 9mm, smaller than a pack of gum. Secure connections: Screw-down terminals ensure the board stays connected during active projects. Built-in power: Comes with a replaceable 2032 battery for lightweight, integrated power. External power protection: No need to remove the battery when using external power; it’s protected. Versatile connectivity: Easily connect to Pins 0, 1, and 2 with various materials, including LEGO. High voltage control: Relay controls peripherals up to 60V/1A with a built-in fuse for safety. Audio options: Play music with a built-in piezo buzzer or through an external speaker via the audio jack.