Found in Radio Electronics from the 90s, this circuit uses components from that time. However, it can still be elaborated with some ease.
With a single LED on the scale, this voltmeter has low consumption. The circuit was found in the...
The purpose of this circuit is to test power supplies functioning as a variable load that can...
This circuit produces a sine 1 kHz signal. The frequency is given by C1, C2 and C3. This is a...