Sorry if somewhat off topic.
I've just been chasing around wondering why an input was reading low instead of being pulled up to 3v. ( o/c output of lm339 via a 3k0 resistor )
I appears the pin has developed a fault : It seems to work as output , happily toggling 0-3v , it even reads as an input if I pull it up with 10mA , but neither PULL_UP or PULL_DOWN will set it to high impedance.
Ho hum fetch another PICO.....
I've just been chasing around wondering why an input was reading low instead of being pulled up to 3v. ( o/c output of lm339 via a 3k0 resistor )
I appears the pin has developed a fault : It seems to work as output , happily toggling 0-3v , it even reads as an input if I pull it up with 10mA , but neither PULL_UP or PULL_DOWN will set it to high impedance.
Ho hum fetch another PICO.....
Statistics: Posted by BillTodd — Wed Jan 17, 2024 3:45 pm — Replies 1 — Views 87