3 idea Polarity & Car Electrical Probe tester circuit
See 3 ideas of 555 DC polarity probe tester circuit. Check Car Electrical in easy, find open circuit, automotive short circuit, loose connection. Learn more Read more
555 Timer
555 PWM LED dimmer circuit diagram | Power Battery Saving
See: 555 PWM DC LED dimmer circuit in 12V source. For a lot of loads even control the speed motor. Nearly with loss and high performance Read more
5-20 minuts timer circuit using IC 555
This is timer circuit uses a 555 IC timer. it small,compact,portable. For the snooze alarm by buzzer when some 5 to 30 minutes. It make easy with pcb layout Read more
8 simple touch switch circuit projects
Many how to make simple touch switch circuit project. To build easy. Using transistor and IC like 555 timer, 4011 CMOS, flip-flop IC. Read more
Morse code generator circuit – simple code learning
This morse code generator circuit is suitable for learning basis of communication. Unbelievably, short and long tone can be decoded into letters and text. Read more