Found in a 90s American documentation, this circuit that was used in cars of the time, detects low temperatures and light by activating a warning relay.
This circuit can be used as a modulator for TV games. The circuit is from a 1975 publication. The...
With the circuit shown in the figure it is possible to generate signals up to a frequency of 110...
This circuit was found in a 90s Popular Electronics. It is possible to analyze the voltages of an...