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Meters and Testers

Simple IC Tester Circuit [Test Digital and Analogue ICs]

Last Updated on September 20, 2023 by Swagatam 3 Comments

Cable with banana pins and micro alligator clips

The IC Tester is simple to use. You don’t have any  switches to configure or lengthy test processes to complete. The universal IC Tester is a static tester, which means this does not dynamically test the IC’s operation. All ICs with up to 20 pins can be tested by this unit. ICs  with more than […]

Filed Under: Meters and Testers Tagged With: Analogue, Digital, Simple, Test, Tester

How to Make a Shunt Resistor

Last Updated on January 23, 2024 by Swagatam 6 Comments

shunt meter compressed

A shunt resistor is a very low value, high wattage resistor which is connected in parallel to a low range meter, so that it helps the meter to substantially increase its measuring capacity. Quite often you might find it hard to measure large currents with a contemporary multimeter. If you’ve ever considered buying an industrial shunt to address […]

Filed Under: Meters and Testers Tagged With: Resistor, Shunt

Microamp Meter Circuit

Last Updated on September 20, 2021 by Swagatam 18 Comments

microamp meter circuit compressed 1

A microamp meter or microammeter is a device that allows the user to measure extremely small current levels, in microamps, which is normally not possible to measure using conventional multimeters. A conventional panel meter or multimeter will not be able to properly measure currents of a few microamps or less. It is required to utilize […]

Filed Under: Meters and Testers Tagged With: Meter, Microamp

Simple Crystal Tester Circuit

Last Updated on December 23, 2024 by Swagatam 12 Comments

crystal tester compressed

In this post I have explained how to build a simple crystal tester circuit using ordinary parts like transistors, resistors, diodes and capacitors. What is a Crystal A crystal can be used for making an electronic oscillator circuit by using the mechanical resonance of a piezoelectric vibrating crystal to generate an electrical frequency having a […]

Filed Under: Meters and Testers Tagged With: Crystal, Simple, Tester

2 Simple Milliohm Meter Circuits [Measure Low Resistances below 1 Ohm with these Circuits]

Last Updated on January 19, 2025 by Swagatam 3 Comments

low ohm tester circuit compressed

The low resistance measuring circuit I have explained below can be used for measuring all milliohm resistances below 1 ohm with extreme accuracy. The resistance to be measured can be as low as 0.01 ohm or 10 milliohm. The output of the circuit converts the resistance value to exactly equivalent volts, which means the output […]

Filed Under: Meters and Testers Tagged With: Circuits, Measure, Meter, Milliohm, Resistances, Simple

3-Digit LED Capacitance Meter Circuit

Last Updated on January 31, 2021 by Swagatam 5 Comments

capacitor meter compressed

This project is yet another test equipment that can be extremely handy to any electronic hobbyist, and building this unit can be a lot of fun. A capacitance meter is a very useful test equipment as it allows the user to check a desired capacitor and confirm its relaibility. Ordinary or standard digital meters mostly […]

Filed Under: Meters and Testers Tagged With: Capacitance, Digit, LED, Meter

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