This circuit was found in the September 1984 issue of Radio Electronics magazine. The frequency is given by the capacitors. The diodes help in the starting process.
This circuit was obtained from an old publication from 1974 but can still be assembled with some...
This level matrix display was found in a 1994 documentation, but it can still be assembled, as the...
This circuit can be implemented with any triac of the TIC series and the lamp must be...