This car battery monitor was featured in the January 1988 issue of Radio Electronics magazine. The circuit uses common transistors and has 3 levels of indication made with common LEDs.
Found in a RCA publication from the 1970s, this circuit is intended for the production of pulse...
In this application, from English documentation, we have the way to activate an AC load up to 10 W...
This circuit consists of a control panel for motorcycles and cars monitoring various functions such as...