Electronics - 555 Timer, A Microchip Project
42:18
Using the 555 Timer
24:06
My first 555 timer circuit
24:33
Fun with Transistors
24:15
Der 555 Timer-Chip als Oszillator zur Servo-Ansteuerung
22:47
6 awesome application of 555-timers in circuits
22:39
Sua bateria vai durar para sempre! Restaure rapidamente sua bateria com Coca Cola
16:32
Let's build a voltage multiplier!
13:50