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14 Feb 2011
dangerousprototypes.com writes:
BrianH has posted a useful Instructables project that tests the capacity of rechargeable NiMh and NiCd batteries. The circuit is based on an Atmega168, and functions by draining the AA batteries (from 1 to 3 batteries) then computes and reports the capacity in mAh. It uses a Nokia 5510 graphic LCD to report battery condition and three MOSFETs used to switch the resistive load on and off during testing.
Capacity tester for rechargeable batteries – [Link]
Tags: Atmega168, LCD, Nicd, NiMH, Nokia 5510, Rechargeable
Filed in Power
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