semaforo led – led traffic light :
1 x NE555
1 x 74LS121
3 x led (R G Y)
1 x 220µF 25V
1 x 1000µF 25V
1 x 10µF 25V
3 x 220Ohm
2 x 15KOhm
1 x 330KOhm
trimmer 100KOhm
Post time: Aug-13-2017
Post time: Aug-13-2017
empty
Post time: Aug-13-2017