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dcb · 01-15-2011, 11:17 AM

I *think* this should do it using radioshack parts. The cap is kinda expensive, I just grabbed the biggest one they had to help address the resets.

You probably won't need an extra regulator with this, as you have a voltage drop in the diode and the 8 ohm resistor.

So when you start the car, the idea is that this will help maintain a higher voltage for the guino. Dunno if it will help though. If you can salvage a 25v (or higher) large cap that would be cheapest.

4700µF 35V 20% Axial-Lead Electrolytic Capacitor - RadioShack.com
4700uf axial cap

1N4001 Micro 1A Diodes - RadioShack.com
1n4001 diode

8-Ohm Non-Inductive Resistor - RadioShack.com
8 ohm resistor

01-15-2011, 11:17 AM	#19 (permalink)
dcb needs more cowbell Join Date: Feb 2008 Location: ÿ Posts: 5,038 pimp mobile - '81 suzuki gs 250 t 90 day: 96.29 mpg (US) schnitzel - '01 Volkswagen Golf TDI 90 day: 53.56 mpg (US) Thanks: 158 Thanked 269 Times in 212 Posts	I think this should do it using radioshack parts. The cap is kinda expensive, I just grabbed the biggest one they had to help address the resets. You probably won't need an extra regulator with this, as you have a voltage drop in the diode and the 8 ohm resistor. So when you start the car, the idea is that this will help maintain a higher voltage for the guino. Dunno if it will help though. If you can salvage a 25v (or higher) large cap that would be cheapest. 4700µF 35V 20% Axial-Lead Electrolytic Capacitor - RadioShack.com 4700uf axial cap 1N4001 Micro 1A Diodes - RadioShack.com 1n4001 diode 8-Ohm Non-Inductive Resistor - RadioShack.com 8 ohm resistor Attached Thumbnails __________________ WINDMILLS DO NOT WORK THAT WAY!!!