Battery charger circuits, Power Supplies Circuits, Led driver circuits, Various circuits design, Audio Circuits
LM317 Lead acid batteries charger circuit design electronic project
Using an LM317 voltage regulator can be made very simple charger, very useful for charging lead acid batteries. Unlike NiCd batteries, they must be recharged by connecting to a constant voltage (proper size).
Portable solar charger designed using LM358N
This portable solar charger electronic project is designed using some common electronic parts .
Ni-cd battery discharge limiter electronic project
A very simple Ni-cd battery discharge limiter electronic project can be designed like in this circuit diagram using few common electronic parts .

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