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Results tagged with gpio
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user 10435
GPIO stands for General Purpose Input Output and can be used to receive and send digital signals to and from simple electronics from the Raspberry Pi.
2
votes
1
answer
358
views
Small voltage on GPIO output
I tried using the wiringPi GPIO library just to test some basic IO, but when I tried to output HIGH on a pin (GPIO 25) the voltage only went from 0V to 0.03V, is this normal? …
- 307
0
votes
Accepted
Small voltage on GPIO output
Very strange but a reboot seemed to fix the issue, so if you also have it, try rebooting!
- 307
6
votes
2
answers
6k
views
Virtual UART ports
I want to use a Rpi to interface with 3 atmega ics in an embedded system but the pi seems to only have one uart port. I know arduino can emulate a serial connection over two io pins, will this be poss …
- 307