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Ammeter

How to Connect Digital Ammeter, Voltmeter Modules M4430, M3430

Last Updated on February 18, 2025 by Swagatam Leave a Comment

In this post I will be talking about the Chinese M4430 digital ammeter, voltmeter module which is a really neat, compact digital meter that you can mount on a panel. Whats great about it is that it is designed to measure and show us both the DC voltage and the current at the same time. […]

Filed Under: Meters and Testers Tagged With: Ammeter, Connect, Digital, M4430, Modules, Voltmeter

AC Ammeter Circuit for Measuring Current across 220 V Appliances

Last Updated on January 1, 2024 by Swagatam 6 Comments

AC ammeter circuit

In this article I have explained how to build a simple AC ammeter circuit which can be used for checking the current consumption of household 220 V or 120 V appliances. The main reason for high monthly utility bills is the use of large electrical equipment like refrigerators, washers and dryers, dishwashers, etc. These appliances […]

Filed Under: Meters and Testers Tagged With: 220, AC, Ammeter, Current, Measuring

Make this Advanced Digital Ammeter using Arduino

Last Updated on December 5, 2024 by Swagatam 11 Comments

Ammeter analog

In this post I will show how to construct a digital ammeter using 16 x 2 LCD display and Arduino. We will understand the methodology of measuring current using a shunt resistor and implement a design based on Arduino. The proposed digital ammeter can measure current ranging from 0 to 2 Ampere (absolute maximum) with […]

Filed Under: Arduino Projects, Meters and Testers Tagged With: Advanced, Ammeter, Arduino, Digital

How to Make a Digital Voltmeter, Ammeter Module Circuits

Last Updated on July 8, 2019 by Swagatam 29 Comments

2

In this article I have explained how to build a digital voltmeter and a digital ammeter combined circuit module for measuring DC volts and current through different ranges, digitally. Introduction Electrical parameters like voltage and current are inherently associated with electronics and with electronic engineers. Any electronic circuit would be just incomplete without appropriate supply […]

Filed Under: Meters and Testers Tagged With: Ammeter, Circuits, Digital, Module, Voltmeter

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