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+--- Thema: Need help with Pibus and RPi3B+ (/showthread.php?tid=1147)
RE: Need help with Pibus and RPi3B+ - TooEasyL2P - 13.04.2020
Ok.
What I found is RPi.GPIO
From your post I figure it out that I need to test GPIO23, which is pin 16.
Code:
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BOARD)
GPIO.setup(16, GPIO.OUT)
for i in range(20):
GPIO.output(16,True)
time.sleep(1)
GPIO.output(16,False)
time.sleep(1)
GPIO.cleanup()And there's no sound. So I'm doing something wrong, or relay doesn't click.
Tried GPIO.BCM as well with pin 23. Same result.
RE: Need help with Pibus and RPi3B+ - harryberlin - 13.04.2020
sorry gpio for rearcam is 27
python rpi gpio is not installed . you should get an exception.
check this:
https://raspberry-projects.com/pi/command-line/io-pins-command-line/io-pin-control-from-the-command-line
and add 'sudo' as prefix to the commands
example: sudo echo "27" > /sys/class/gpio/export
RE: Need help with Pibus and RPi3B+ - TooEasyL2P - 13.04.2020
(13.04.2020, 20:36)harryberlin schrieb: sorry gpio for rearcam is 27
python rpi gpio is not installed . you should get an exception.
check this:
https://raspberry-projects.com/pi/command-line/io-pins-command-line/io-pin-control-from-the-command-line
and add 'sudo' as prefix to the commands
example: sudo echo "27" > /sys/class/gpio/export
Ok. Will try tomorrow. It's dark already and laptop needs to be charged.
I installed rpi.gpio, wanted to install wiringpi, but git is down for it.
There's warning that GPIO23 is in use and still continues. So I think rpi.gpio works ok.
And I used that script with sudo. I have some experience with linux as I work in IT. Just never worked with RPi more than making it to show ads on TV at work
RE: Need help with Pibus and RPi3B+ - TooEasyL2P - 15.04.2020
So there's no clicking.
used your link with those commands. Checked that value changes from 0 to 1 and back.
And there's no sound.
I could export gpio27 without sudo, but to write values I were forced to use sudo. Otherwise I would get permission denied.
RE: Need help with Pibus and RPi3B+ - harryberlin - 15.04.2020
can you use a voltmeter to check the signal?
RE: Need help with Pibus and RPi3B+ - TooEasyL2P - 15.04.2020
Only if you will show where to measure. Because I don't have idea where to check it.
RE: Need help with Pibus and RPi3B+ - harryberlin - 15.04.2020
GPIO to GND should have 3.3V at state 1
RE: Need help with Pibus and RPi3B+ - TooEasyL2P - 15.04.2020
So what should I do is remove pibus, take rpi and measure that GPIO27 pin at state 1?
RE: Need help with Pibus and RPi3B+ - harryberlin - 16.04.2020
yes.
otherwise try to get usual pibus program get working. to be sure it's not an addon topic.
RE: Need help with Pibus and RPi3B+ - TooEasyL2P - 28.04.2020
(16.04.2020, 20:10)harryberlin schrieb: yes.
otherwise try to get usual pibus program get working. to be sure it's not an addon topic.
Can't find my voltmeter. Need to buy new one.
But in that time I noticed that in settings under Rear Cam it says GPIO something and default value is 5. Is this correct?