This flasher circuit consists of an astable multivibrator with the frequencies given by the capacitors. The circuit is from 1965 using light bulbs, but LEDs can be used. Power comes from 4 batteries.
This preamplifier for magnetic cartridges was found in the February 1990 issue of Radio...
This circuit is used to switch direct current loads such as a lamp, for example. Remember that...
This power control circuit was found in an article in the June 1995 Electronis Now magazine. The...