RGB LED Toy
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As I've uploaded the PCB layout files to batchpcb (sparkfun), I could send you a PM with the link. Making your own from scratch will be much more rewarding though (in the end, after a few setbacks maybe).
zupnikal 2 years ago
The LEDs are directly powered by the microcontroller (ATmega168-20AU) using current limiting resistors in the range of 90-110Ω, but the exact values depend on the kind of LED of course. I use the "moderndevice" BUB for programming. When I need them in stand alone mode, I use a step-up converter to get 5V from 2x AA cells. It uses the MAX756 chip and just a few other components. The circuit comes 1:1 from the datasheet. Adafruit used these in "MintyBoost" REV1 I think. Works OK.
zupnikal 2 years ago
See my last comment. It's all on my blog ;-)
zupnikal 2 years ago
Yup.
zupnikal 2 years ago
so board and parts would be about $20 ish (i dont work in €'s XD its either £ $ or Nok :P mainly $ tho cos of thats wat i get in my paypal..)
thebongmaster 2 years ago
I have 2 unpopulated boards left. BatchPCB sent me a few more than I had ordered.
If you want them:
6€ per board + shipping ;-)
Board + all parts: 14€ + shipping.
zupnikal 2 years ago
@zupnikal I dont have that board or chip XD or LEDs XD
i got some common anode rgb LEDs tho :(
thebongmaster 2 years ago
Make one !
zupnikal 2 years ago
kool :) i want one XD
thebongmaster 2 years ago