This is the basic full-scale circuit of an LM3914 for voltage measurement or voltage triggering and control. The power supply must be within the indicated range.
This circuit was obtained from a Radio Electronics from the 90's. It can generate signals up to a...
For cars that had the positive pole of the battery in the chassis, Radio Electronics magazine from...
Found in American documentation from the 1980s, this circuit uses an ADC from that time, which is...