Posted by dapj20 on Mar 09, 2017 in LED-Meters-Bargraph, Multimeter-DMM
This Circuit is a DPM or digital panel meter. It has a analog bar graph display and a 3-1/2 digit digital display. ICL7107 is used in the 200mV configuration. U4A opamp LF353 amplifies the 200mV Full scale input to the level required for the… more »