![]() When sunlight falls on the solar cell during daytime, the solar cell charges the rechargeable battery and turns LED1 ‘off.’ When no light falls on the solar cell during nighttime, the IC draws power from the battery and provides constant current to light up LED1. This circuit requires only a single Ni-Cd rechargeable battery to light up the white LED for more than five hours depending upon the ampere-hour (Ah) capacity of the battery. It is built around a solar lamp controller IC CL0116 (IC1), a miniature solar cell, a bright white LED (LED1) and a few other components. Solar light circuitĬircuit diagram of the solar garden light is shown in Fig. ![]() Presented here is the circuit of a solar light that is bright enough to illuminate a garden while not requiring any wiring to the grid supply and thus lowering the electricity bill. But there can be problems in its installation since the wiring may hamper movement and disturb plants in the garden. Installing a garden light there provides visibility at night. ![]() Most houses have backyard gardens or some open areas.
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