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Post by stu on Jul 17, 2005 18:05:25 GMT 10
Does anyone know of a simple circuit that will allow you to build a robot that pivots on a stand to seek out the strongest source of light? there is something at www.solarbotics.com ( the sun seeker kit - if you can be bothered to look) that is sort of what I need, but is a little to elaborate for my purposes( I dont need the flashing lights, and solar powering- again if you can be bothered to look). I am new to this sort of thing, so any help on this would be greatly appreciated... |
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Post by Dingo on Jul 18, 2005 22:09:54 GMT 10
Also look at line following circuits. You really just need a couple of LDR (light dependant resistors) and a method of comparing the one with the strongest voltage. I simple comparator circuit wold work (again google line-follower bots for this) or if you want to be tricky you could do it in software in a microcontroller. I always seem to prefer the microcontroller way, at least I can dump some diagnostics to a serial port on a pc and see what is going on and how to tweak it. Of course for a simple thing like this that would be overkill but would allow more flexibility. Look at www.pickaxe.co.uk if you want to go that path. |
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