LED Flip Flop With Speed Controller Using one transistor
5:05
FLIP- FLOP LED flashing circuit using transistor bc547
10:43
How to make an LED driver circuit
6:23
Você nunca viu isso antes, ótima ideia PC817
5:26
How To Make Running LED Light Using IC NE555
4:47
LED Flasher Like FBI Police Light Using Two NE555 Timer IC
18:00
[NEW] Simple Electronics Project
8:43
LEDs Chaser IN TRIANGLE
9:01