Found in the November 1999 issue of Electronics Now magazine, this circuit generates a 6.67 Hz signal from a 4.1952 Hz crystal.
The circuit shown in the figure uses a programmable unijunction transistor (PUT) of the BRY39 type...
This circuit was sent by reader and collaborator Adriano Muniz Moura from Pirapora – MG. The...
This remote control for resistive loads using a triac appears elsewhere on this site. The circuit...