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i am designing a battery charge controller with a small panel of 4.5V and 250mA in Arduino UNO. I want that the panel charges the battery(1.2V 3000mAh AA NiMH). i wonder where i place the panel in order to charge the battery and the controller cuts off the current when the battery is fully charged.

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    \$\begingroup\$ "i wonder where i place the panel in order to charge the battery ..." Can you rewrite that part to make the question more clear? Also (1) Your battery positive is not connected to anything. (2) How do you expect this circuit to work? Use the edit link below your question. \$\endgroup\$ – Transistor Apr 7 at 8:28

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