How to Build a Simple 12 volts power supply circuit with a hammer
Build 12V high current power supply, do not need PCB. We use a hammer and nail ! Why?
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November 4, 2015
Electronics learning with Homeschooling
How to make automatic daylight sensor switch Project
This is daylight sensor switch circuit, for control load turn on when have sunlight. use simple circuit LDR,transistor,relay and can use with 12V supply [...]
June 9, 2015
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 [...]
May 19, 2015