Something to try ....
remove (carefully unsolder?) the LED and see if pin goes high low high with a meter. If this works then reconnect up your LED and add decoupler Cap close to Vdd (10uF or similar).
Something to try ....
remove (carefully unsolder?) the LED and see if pin goes high low high with a meter. If this works then reconnect up your LED and add decoupler Cap close to Vdd (10uF or similar).
Paul Borgmeier
Salt Lake City, UT
USA
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