This circuit was found in Radio Electronics from the 90s. The components used are common, and the transistors and CIs must be equipped with heat sinks.
This one-digit counter is part f the samples bench of the MultiSIM in one of its versions. The...
Found in Popular Electronics from the 90s, this circuit triggers a bicolor LED to indicate whether a...
This circuit was found in a publication of1994, originally obtained from the National...