This simple circuit consists of a blinker for a very low consumption neon lamp, found in a 1982 documentation. The circuit can be powered by 110 V for 1N4004 diodes or 220 V for 1N4007 diodes.
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...
This circuit is from an English publication from 1979. It describes the assembly of a sensitive touch...
This simple optical alarm circuit was found in the 1991 Electronics Experimenter Handbook. The...