Digital Ammeter Circuit Diagram Pdf. Most modern meters are digital in design meaning that their readable display is in the form of numerical digits. Current passing through this load can be measured with the help of shunt resistor pic16f877a micro controller.
Older designs of meters are mechanical in nature using some kind of. The whole current in the circuit flows through the meter. Ammeter voltmeter and ohmmeter.
The following are the connection diagrams.
The ammeter would have the same reading if located between points d e or between points f a as it does in the position shown. Digital ac voltmeter circuit without transformer. The complete digital current meter circuit works on 5v which is regulated by a 7805 voltage regulator. 9 2020 revision addendum these digital volt ammeter modules are specified for installation into a 45 5mm x 26 5mm cut out.
