With the circuit shown in the figure, it is possible to connect or disconnect a load controlled by the relay by touching the sensors X1 and X2.
The 8038 integrated circuit consists of a function generator with outputs of three waveforms. It...
This is a traditional CMOS configuration found in other articles in this section and on this...
This circuit is from the old RCA transistors manual of 1964. The transistor can be the BC558 and...