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Digital Voltmeter Circuit Using IC L7107

Last Updated on June 8, 2026 by Swagatam 75 Comments

digital panel voltmeter circuit

In this post I have explained a very simple digital panel type voltmeter circuit using a single IC L7107 and a few other ordinary components. The circuit is able to measure voltages right up to 2000 AC/DC V. About the IC L7107 Making this simple digital panel voltmeter circuit is particularly easy due to the availability […]

Filed Under: Meters and Testers Tagged With: Digital, L7107, Voltmeter

Digital Clock Synchronized Programmable Timer Circuit

Last Updated on May 13, 2020 by Swagatam 8 Comments

set reset latch circuit

I have already discussed one programmable timer circuit in this blog earlier, the circuit involves the IC 4060 for generating the basic oscillations which is further used for generating the required time intervals, however this cannot be synchronized with an external clock. The following circuit was requested by Mr.Amit, here the concept makes use of a clock for acquiring the required base timing […]

Filed Under: Timer and Delay Relay Tagged With: Clock, Digital, Programmable, Synchronized, Timer

How to Check a MOSFET Using a Digital Multimeter

Last Updated on June 8, 2026 by Swagatam 92 Comments

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In this post I have explained how to test mosfets using multimeter through a set of steps, which will show help you to accurately learn the good or faulty condition of a mosfet Mosfets are Efficient but Complex Devices MOSFETs are outstanding devices when it comes to amplifying or switching of various kinds of loads. […]

Filed Under: Meters and Testers Tagged With: Check, Digital, MOSFET, Multimeter

How to Make a Digital Voltmeter, Ammeter Module Circuits

Last Updated on June 8, 2026 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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