Outdoor solar lights circuits
This is Outdoor solar lights circuits made by my son, at day solar charge to battery then night LED light up without AC line, Relay control the solar current [...]
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May 19, 2015
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…
June 30, 2014
Simple solar radio battery charger
This is the simple solar solar radio battery charger circuit. 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.
May 31, 2014
Automatic led night light switch
This is the automatic night light circuit system with LED display, and from battery power. Because not convenient plug So charging system with solar cell[...]
March 5, 2014
Make solar aa battery charger circuit by TL497
Let's build a small solar AA battery charger circuit savings. In an era of expensive energy better. In an era that energy is more expensive every day. Alternative energy is…
October 20, 2012
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…
November 4, 2009