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Solar battery charger with overcharge protection

This circuit is formed maintain one’s position voltage from solar cell with , shunt regulator circuit. For protect voltage not too until much destroy battery. Because of something charger too much. The...

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Automatic led night light switch

This is the night lighting system with LED display, and from battery power. Because the house is not convenient plug So the charging system with a solar cell. Moderately convenient to use. At night,...

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Simple Ni-Cad Charger for Solar Cell Radio by BD140

A solar cell radio used a 3V (or two 1.2V) Ni-Cad battery in it. The battery can not be removed. It use a mini jack socket for charging. Its quiet difficult to find such a voltage charger. Here is the...

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Simple 1.2V AA battery Solar charger circuit

This is simple 1.2V AA battery Solar charger circuit. If you want to charge only one 1.5V AA battery and must used at outdoor that don’t has home electricity. We will also use fast it so we need to...

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Simplest slave flash trigger circuit

- This is a simplest slave flash trigger circuit. - It will help the slave flash immediately works almost simultaneously with the main flash. - This circuit better than others circuits because without...

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Making a solar powered small fountain

Chayapol do everything as the solar cell system. I think it is useful, therefore, to buy a solar powered small fountain Kits it created a lot easier. The main device consists of - The 1.2 watts 6v...

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