Build 12V high current power supply, do not need PCB. We use a hammer and nail ! Why?
Electronics learning with Homeschooling
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 [...]
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 [...]