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This allows RS-485 to implement linear bus topologies using only two wires
3V and one 5V power interface
unharmful to human
simplifying the interaction between users and devices
Micro:bit Math & Automatic Touch Keyboard CO This allows RS-485 to implementDescription 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: fun math games and automation control. There are following multiple functions integrated on the board: 16 touch control keyboards 16 RGB LEDs 2 Motor Ports 1 Vibration Motor 1 Buzzer 6 IO, 2 I2C, 1 UART Port 2 Servo PortS 2 Power supply methods, 3. 5~5V We add a acrylic
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