Modulated siren 555 (CB9201E)

This is one of the many modulated siren versions that can be found on our website. We found it in a Hands On Electronics from the 90s.

| Clique na imagem para ampliar |

1-Transistor MW Radio (CB11576E)
This experimental AM radio circuit was found in a 1979 English magazine. It can be fitted with a...
Two-LED Flasher 1 (CB20422E)
This is a variation of the two previous circuits but controlling two LEDs. The brightness of the...
15-Channel Remote Control Receiver (CB13998E)
This circuit is the receiver for the CB13997E. The transistor can be the BC548. We also found this...