The starter circuit shown in the figure was found in an old European documentation. The circuit makes use of an SCR which is still common and the diac can be of any type.
The presented project is simple, but efficient in medium distance irrigation. In this circuit, the time...
This high quality circuit with complementary symmetry was found in an Electronics World of 1966....
We found this circuit in the 1989 Radio Electronics Experimenter. The circuit uses common...