TeamSGYeah, so...
- We're still still working through the prints (see pic below)...
- Aluminium extrusions cut to length...
- Most of the first round of orders from AliExpress have arrived...
- Ordered a bunch more things related to powering the beast...
- At some stage, I'll publish a detailed list of everything we purchase...
- Revived an old laptop to run things through with a fresh Lubuntu install (replacing Win XP that replaced full Ubuntu that replaced Win Vista)...
And...
The more I read, the more I'm getting a bit intimidated with the whole control system thing. I have zero problem with the mechanical & electrical build - I'll happy work away at that kind of thing all day, any day. Car-related tinkering is my forte. But the whole software part is well outside my comfort zone.
Early in my life I was into coding / software, but my interests subsequently drifted to mechanical engineering - with "computers" being essential tools but definitely something that specialists dealt with in detail, not me.
So with regards to all things "Pi", I'm rising from a low base. Going in I certainly expected a struggle, but jeez my brain hurts a bit at the moment.
I'm sure I'll work it out one way or another. Plenty of time. No hurry. She'll be right!
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Thanks for your comment, Roger. I appreciate you taking the time.
I did see the joystick option - tidy, if tethered.
For now, I'm going to persist with the target of a Pi, wireless control scheme and see if it ends in tears.
Philosophically speaking, I'm OK with a struggle. Didn't Camus say something like "The struggle to control the bytes is enough to fill a man's heart". (I'm long-time fan of Sisyphus' work with stick / rock / mountain.)
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Or, throwing back fifty years and channelling Nixon:
I choose the Pi-based control system, not because it is easy but because it is hard.
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I think that was actually Kennedy. https://en.wikipedia.org/wiki/We_choose_to_go_to_the_Moon
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Doh! Thanks, Ken. I need to bone up on my historical presidential speeches evidently.
I think I was half-watching a speech (or press conference) by Nixon about Apollo 8 when I heard it - maybe he was quoting Kennedy???
Or I just mashed a bunch of loosely related historical events together and came up with my own version.
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If it helps, I've recently added an option for much simpler control via Arduino instead of web server running on Raspberry Pi. Joystick -> Arduino -> Servo control board. The upside is simplicity, the downside is tethered wired controller, not wireless.
Wiring diagram is up on Sawppy's Github /docs folder and code under /arduino_sawppy folder.
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