This simple timer for incandescent lamps or other non-electronic charges uses a triac as a control element. The triac must be mounted on a heatsink and the time obtained depends on capacitor C2.
This circuit was found in a 1970s American documentation. It can be applied to almost any...
The MC33064 can also be used on this circuit of Motorola's 1993 Linear Interface ICs. The circuit...
This 1997 article was originally created to control loads from a PC's parallel port. However, due...