Series resistors for rows in key matrix to be changed to 0E or removed all together
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hw-tinkerers commented
There are 10k series current limiting resistors in rows for the key matrix due to which the 10k resistor acts as a voltage divider and cannot identify a key press. The issue can be easily solved by replacing the 10k resistor with 0E resistors on the PCB for this revision. The series resistors can be removed in next revision as they are not needed.