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Spockie-Tech
Site Admin
Joined: 31 May 2004
Posts: 3160
Location: Melbourne, Australia
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Ditto what Steve said.
Im an Electronic Engineer, ESC designer (as is Steve), and been doing Robots for 10 years. I know a bit about making electronics survive
in the field
instead of
on the bench
.
If this is your first combat bot, keep the control system as *dirt-simple as possible.
You will have plenty to keep you busy without trying to debug code, troubleshoot custom RF links, and repair damage caused by your bot sitting still while getting beaten up.
Making a Microcontroller+Radio gadget work in a combat environment is *nothing like making it work on your bench.
When you have featherweight sized motors straining away at near stall in a pushing match, sucking 100+amps, sparking brushes, pulsating (PWM) super strong magnetic fields, battery supply voltage brownout sagging under load, back EMF spikes and bits of metal crashing into each other, the Electrical environment is unbelievably hostile to delicate 3.3/5v high impedance circuitry. And thats assuming there are no design flaws or bugs on your part.
If you have weeks or months to play with, test and debug your control system because *everything else on your bot is done and ready, *then consider rolling a custom control system. But first apply to the guiness book of records for the first novice bot builder in the world who doesn't still have "a few small things" left to do while they are setting up in the pits.
Unless of course, you *want to be canon fodder, in which case, let the E.O. know so he can work on the assumption that you will be pulling out after match #1.
Seriously, like I have often said in other posts, if you dont have time to run at least 3 or 4 *full charged-to-flat driving practice sessions on your bot 2 or 3 weeks before the event, then you *arent prepared anywhere near enough.
Focus first on getting your bot driving reliably, add bells and whistles later. _________________ Great minds discuss ideas. Average minds discuss events. Small minds discuss people
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Wed Jul 13, 2016 10:34 pm |
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