Here is the earlier post about it.
https://www.blogger.com/blog/post/edit/preview/5415560036905179298/8810457589872963960
GPIO PIN Wire colour
Car Test Rig
6 White Pale yellow
12 Orange White
18 Red Blue
19 Yellow Orange
23 Green Yellow
Now I can swap R-Pis and see if there is a problem with the car one.
swapped boards, and test rig ran the same, except that after analog left, left LED kept flickering and I couldn't stop it. Another software fault.
Also Red forward LED on at startup.
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23/8/2024
HAve rebuilt software using latest RaspIOS and it is different.
Looking at this to try and figure out how to configure it.
https://bytebeam.io/blog/getting-started-with-mqtt-on-raspberry-pi-using-python/
Problem installing Paho-mqtt. Need to look into it.
12/10/24 working through this. Got through the update of Setting up Python dependencies and installing MQTT Python Libraries
NOW! I remember, On boot I have to start the subscriber program. I'll look in a previous writeup and see if I described the process.
This goes quickly but gives instructions on how to enable the subscriber. and set the broker to run in the background.
https://www.youtube.com/watch?v=za-IIZ1xVbA
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