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If you are looking for a low cost 10 - 15V power supply schematic, you may try this one - I had built this one for loads between 0.5A and 30A. With some changes, also works for 5-10V or 15-30V. Stable, low noise, good regulation. The Mosfet tab is ground. Current limit can be added. I use one...

How to UnBreak my 08M..?? *solved* Hi, I have a Picaxe 08M here. I didn't know if it was good so wrote the smallest program possible for a test. I think I should never have done that, though.. Picaxe runs but will never stop. - A VERY good idea, anyone? So, please NEVER load a program like...

Maybe it's a good idea to download and read the WS2803 data sheet. Each WS2803 has 18 current sinks that you can program by software and a resistor. All your LED's anodes go to your supply voltage. I'm just making a board for 2 WS2803's. To give you an idea on how to connect the LED's, look at...

Hi, I'm trying to help a friend, he is building LED lights for his aquarium. The lights will, if we get it working, be controlled by 3 pwm's with a 20M2. There is a DS1302 clock, which is a 'more pessimum' ;) option, compared to an i2c chip. I've found a programming example for the 1302 (If...