Counting and stopping for the 4017 (CB25212E)

The figure shows how to control the counting of a 4017 with a start and stop switch.

| Clique na imagem para ampliar |

Antenna Splitter (CB24740E)
This circuit was found in the April 1983 issue of Radio Electronics magazine. Its purpose is to...
Automotive Ignition Blocker by Cell (CB17635E)
Evidently, this is a project that still needs some improvements. For example, the ignition can be...
1.2 V voltage regulator (CB19515E)
This very low voltage regulator for 3 V input (2 batteries) was obtained in a documentation from...