This interesting circuit of the 50s uses a fluorescent lamp to obtain a stroboscope useful for the rotation of motors. The circuit uses a power valve to control the 10W fluorescent lamp.
This circuit was found in an American publication from 1965. The circuit uses components from that...
This circuit prevents damage by accidentally reversing the power supply polarity. The circuit is...
A square signal of about 1 kHz is produced by this astable multivibrator. Frequency is determined...