This simple neon alternating flashing circuit was found in an old American publication. The current is very low, but the supply must be made with at least 100 V.
The power supply shown in the figure provides voltages between 0 and approximately 15 volts, with...
Another triggered oscillator that we found in the November 1984 Radio Electronics magazine. The...
Found in a 1980s German publication, this circuit tests batteries by type. The circuit is based on a...