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PlantBob
- 19th January 2011, 21:29
PIC18F2450
Is it possible to output a negative voltage on a pin?
mister_e
- 19th January 2011, 23:21
Yes but not without any external hardware.
Acetronics2
- 20th January 2011, 12:30
The question always is ...

negative, yes, but relative to what ???

IF the positive pic supply is connected to Other circuit 0v ... Pic GND will be seen by the other circuit as - 5 v ...

ah ....

Alain
mister_e
- 21st January 2011, 05:37
This is what "external hardware" refer to :D