This circuit with 1W of output was found in a Mullard manual from 1960. The consumption is low and germanium transistors of the time are used.
This circuit is based on the voltage drop of the diodes in conduction, in the order of 1.6 to 1.7...
Found in older documentation this setting applies to modern components, noting that the power...
This simple timer can be used in many applications such as egg timer. The LED glows up when S1 is...