I have been watching on YouTube "Raspberry Pi Pan Tilt Camera Guide"by TuckerShannon how to control a kind of pantilthat using arrow keys. It differs from Pimoronis pantilthat in such way that servos are connected directly to GPIO-pins 7 and 11 and running pantilt.py using arrowkeys. I have been struggling last four days to get it alive. I get camerapreview, I can see up-down-left-right on he screen, pushing “p” takes a snapshot. Everything else works except servos are NOT moving. I think the problem is related to get servoblaster installed correctly. The pantilt.py script contains two rows that confuses me:
- #use code “python pantilt.py” after you cd into the correct folder!
- “#activating servo blaster (servod must be in the same folder as this script!)”
I have used a fresh Full Stretch 2017-11-29 and installed pantilthat OneLine Installer and PiBits servoblaster from GitHub which all seem to install correctly, but thats my impression I could be mistaking on this point. “ls /dev/servoblaster” is ok also sudo ./servod show list of available GPIO-pins.
Trying command line “echo N=100 > dev/servoblaster” doesnot move any servo for testing purpose. (N refers to GPIO# in servod listing).
The YouTube video refers back to 2016 when Stretch was not released ? Could that be my problem ?
I am using the Pimoroni complete pantilthat board on top of RPi3B, servos connected to the board. Is that a problem ?
Any guidance appreciated…
Thanx In Advance