This flasher for incandescent lamps was found in Radio Electronics magazine from July 1968. The frequency and duration of the pulses are adjusted in R1 and R3 depending also on C1.
This isolated solid state relay can function as a shield directly controlling 10 A loads. The...
This oscillator was found in Radio Electronics from the 90s. C1 and C2 have 2,700 pF and the...
This circuit uses a current regulator from the 90's. This component is uncommon nowadays. The...