5 Simple emergency light circuit | Many ideas
This is first mini emergency light of my son. It is very small, use LED display when power outage,use transistor instead relay use AA battery charger. Read more
BD140
50W OCL main amplifier using LF351-2N3055-MJ2955 with PCB
This 50W OCL main amplifier circuit has high quality and economical,it is designed simple,easily created, electronics rookie.cheap when compared to other Read more