This wide range timer was found in the July 1994 issue of Electronics Now magazine. The circuit drives a relay and is powered by the relay voltage.
In this phase shift circuit, the transistor can be any general-purpose transistor. The circuit is from...
This circuit was obtained from a 1978 Practical Wireless. It causes an LED to flash at a frequency that...
Author: Newton C. Braga Published:Aug, 2016 Formato:Book and e-Book Pages:...