Homebrewed Electricity > Controls
How to control charging?
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juiced:
Should i buy a charge controller?
What is a simple circut i can put into a battery pack to show green or red for low and high?
Im thinking that i might rather buy a controller, but it needs to be able to charge all kind of cells from "AA" to 12V DC. I just want it to show a red light as the cell is topped up.
I searched last night, but didnt find anything specifically how i want it. So mayeb its just something you guys buy for cheap?
wooferhound:
Use an LM3914 Bar/Dot Graph Chip
http://www.uoguelph.ca/~antoon/circ/batmon12.htm
ghurd:
I think most of these would say "Full" before the battery is full. Triggered by the surface charge.
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