This thermostat circuit triggered by a neon lamp and having a thermistor as a sensor was found in an old American documentation. SCR is according to load.
For experiments with ionization chambers and Geiger valves this circuit generates high voltage from...
This control allows to start or stop a motor up to 3 or 4 A with a low intensity signal. The...
The battery is charged by the photocell that keeps the low consumption beacon in the dark. The...