Keyestudio 4WD Manual page 328

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Code explanation: when the buttons are not pressed, the serial monitor
constantly shows 0; when pressed, the corresponding key values are
displayed.
Notes：
The remote control in this kit is not inclusive of batteries. We recommend
you to purchase them online.(battery type:CR2025).
Make sure IR remote is good before test. There is a tip for you to check it.
Open the cellphone camera , make IR remote control point at camera and
press button. The remote control is good if you see the purple flashing
light in the camera.
Download code to micro: bit board and don ' t plug off USB cable
Click
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