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.
For those who like experimental circuits, here is a sequential flasher system with LEDs, which can be...
This circuit was found in Harris' 90s documentation. The used component is uncommon today. |...
Using a reed relay, this protection circuit depends only on the adjustment of the closing point by a wire...