mibe / electronics

This repo contains some electronic projects of mine.

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Reset signal oscillates

mibe opened this issue · comments

The RESET signal oscillates when a programmer is connected.

This is due to the voltage drop at R16:
The LEDs are on → the current is high → the voltage drop over R16 is high → the battery monitor U5 asserts the RESET signal to low.
Then the LEDs are off → the current is low → the voltage drop is low → the battery montior sets RESET high.
The cycle starts from scratch.