12-30-2020, 11:01 PM
Relay_320401.zip (Size: 16.12 KB / Downloads: 835)
this is original firmware, download and unzip. there is a HEX file.
But I don't think firmware have problem, after you download the firmware,whether re power on of controller and other parts (keyboard)
and when you download , do you power on for the relay board?
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