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Project: HomeAutomation

Testing the HA-B04 in-wall switch PCB

I have built a prototype of the 6-way switch circuit board (photos below), and done an initial, very basic test: I can communicate with the microcontroller when I power the thing with 12V through its bus connector, and can use the on-board 16MHz crystal oscillator module (as opposed to the internal 8MHz oscillator built into the MCU). So the boring part seems to work.

To test the more interesting components (namely, the switches, multicolor LEDs, and temperature measurement), I need to write some code - that's what I am going to do now.

In-wall switch PCB, front In-wall switch PCB, back