I think the pcf7931 datasheet is available if you google
Yes pcf7931 is available but I am intrested in pcf7941,7943,7946,7947 FULL datasheet not only one page pdf
Thanks
@marshmellow: thanks to you too ! Can you explain how you decoded it ?
Can someone also explain the whole circuitery on the PCB ?
]]>Also is there anyone who know a way to "read" that pseudo-QRcode in the pcb ? Here it is a higher resolution verison.
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