This shield circuit can be used in several applications that involve a feedback signal. The circuit is from American documentation from the 80s and the transistors are according to the loads driven.
This 80's circuit uses a microcontroller programmed to generate various songs. The circuit can serve...
The operating frequency of this oscillator, found in a technical documentation from Texas...
In the figure we have the way to control a TIC series triac with a reed relay. The current in the...