Data Sheet

Robot Arm for micro:bit User Manual
This is the Bluetooth remote control code. pos0~pos3 are current degrees of channel 0~3.
step0~step3 are step length.
When command are received by micro:bit from app, micro:bit will change the step as received to
control servo. If step is not equal to 0, change the pos and let servo move. (Note that the value of pos
should in: 0~180)
To use this demo code, you should first install APP for Bluetooth communication. (Only support
Android)
⚫ Bluetooth App (for Android)
Open APP, click Settings on the right top, uncheck Filter unpaired micro:bit from scan results?
Scanning BBCC micro:bit device and connect it. After connecting, you can enter the control page by
click the Joystick icon.
There are 8 buttons, could be used to control servos from channel0 to channel3.
Note: If you want to create new Bluetooth project, don’t forget to set project that, choose No Pairing
Required:Anyone can connect via Bluetooth.