Sequential Arrow (CB6377E)

We found this circuit in an Electronics World of 1967. The components are of the time and incandescent lamps are used.

| Clique na imagem para ampliar |

Timed Intermittent Alarm (CB17488E)
We found this circuit in a 1986 publication. However, as it is based entirely on 555 integrated...
Who is the fast for 4 competitors (CB3859E)
We found this circuit in a Poptronics from 1998. The circuit can be extended to more competitors...
Rhytmic Lamp AC and 12 V (CB422)
In this circuit a 12 V lamp or LED blinks with the music signal applied to the input. R depends on...