I have an Arduino developed AVR circuit inside a project box that is going to be battery powered (DSLR intervalometer) and i want to put 4 x AA rechargeable batteries (2700mAh or something like that) inside the box to power the AVR and the LCD.I am looking for a schematic for a simple battery charger circuit that I can use to plug into my project box, via a jack plug, to charge the batteries inside.
I'll be using standard NiMH rechargable AA batteries.So it it simply that I connect up a power supply of say 10% of the battery rating, i.e. for a 1000mAh 1.5v battery I put in 1.5v at 100mA and charge for 10 hours?
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