View Digital Ammeter Circuit Diagram Pdf Gif. Working of this electronic voltmeter circuit is extremely straightforward. In this code trisa is used to define port a as input because.
It integrates mcu digital interface, data latch, led drive, and keypad scanning circuit.
Shaft slit < functional block diagram >. Chopper type dc amplifier is used in highly sensitive dc electronic voltmeters. The proposed digital voltmeter, ammeter circuit module can be effectively used with a power supply for indicating the voltage and current consumption by referring to the circuit diagram below, the 3 digit digital display module is build through the ics ca 3162 which is an analogue to digital converter. It is mainly used for household electrical appliances (smart water heaters, microwave ovens, washing machines, air.