This is a Math & Automatic expansion board for micro:bit. Easy to use, and suitable for a wide range of applications. We designed this board for two sorts of application scenarios: math game and automation control. The 16 programmable touch keys and RGB LEDs on the board offers rich function and flexible input and output. Besides, the board has 1 vibration motor, 1 buzzer, 2 motor ports, 2 servo ports and 9 expansion ports, which lays a foundation for using in automation controlling application.

Math Game: 

• 1.Calculator
• 2.Quick Calculation
• 3.Math Reasoning Game
• 4.Lucky number
• 5.Twenty-One
• 6.Whack a Mole
• 7.The mystery of Dazzling Numbers

More......

Automatic Control:

• 1.RGB Waterfall Light
• 2.Touch Music
• 3.Password Lock
• 4.Motor Control System
• 5.Touch Remote Wireless Handle
• 6. Countdown Timer
• 7. Natural wind Electric Fan
• 8. NFC Password Entrance Guard
• 9. 2. 4G Multiplex Communication System

More......

• Power Input: 3.5~5.5V DC 
• Touch key*16
• RGB LED *16
• Buzzer *1 
• Buzzer Switch *1 
• Motor Port *2 
• Servo Port *2   
• IIC *2
• UART *1
• GPIO: P0, P1, P2, P8, P12, P16
• Program Platform: Mind+、makecode
• Size: 136mm×65mm/5.35×2.56"

• Product wiki

• [MBT0016] Math & Automatic for micro:bit (V1.0) x 1