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 |

Negative Bias Source (CB6736E)
This circuit provides a negative supply for circuit biasing. The current is very low. The voltage...
Comparator with Hysteresis with the LMV321 (CB4747E)
This very low voltage circuit with the LMV321 was obtained from its own datasheet. The circuit can be...
Electromechanical Totalizer Powered by Light (CB12099E)
This circuit was found in a Modern Electronics from 1990. It activates an old electromechanical pulse counter,...