This simple continuity tester consists of an oscillator found in the 1983 Electronics Experimenter Special projects magazine. The circuit is powered by a single battery.
This circuit was found in an English documentation from 1969. The transistors are of the time,...
When establishing the voltage at the input of this regulator, the output voltage rises smoothly until...
To obtain an AND gate we have the configuration shown in the figure. With the values indicated for the...