Bridge Rectifier ★4

power supply by rbrtschmdt ★4

741 op-amp ic by thundermax ★2

0 - 9 decimal counter using 555 timet as the clock by mthompson ★2

Arduino Music ★2

Fuzz Face pedal by Jetset Willy ★2

555 ★2

New Circuit by andrey1978 ★2

FunkyTown 555 by WorldofZAP ★2

Speaker ★2

Motor Pulsar by Clayton Vee ★1

LM741 OA SubCircuit by LFO ★1

555 Circuits by WorldofZAP ★1

(M) LM 317 by Jetset Willy ★1

tolto by Fekete István ★1

1176 by Mrnomad101 ★1

H-Bridge ★1

Arduino-7Seg counter by Mikatomik ★1