We found this circuit in an old documentation. The integrated circuits used are specific to produce effects and do not admit equivalents, being currently difficult to find.
This strobe light circuit with incandescent lamp was found in a 1978 publication. We can mount it with...
This circuit was obtained in a publication from the 1980s. The coil can be the secondary winding of a...
This is a simple 1-digit voltmeter circuit using voltage comparators. It was found in a 2004...