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Meters Circuits

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This is the circuit diagram of Digital Tachometer / Digital RPM Meter which can be used for cars or motorcycles with 2 and 4 stroke petrol engines with any number of cylinders and contact breaker o...

Build your own 3 1/2 digit LCD display digital temperature meter electronic kit. Suitable for measuring temperatures from -30 to +125C.

This is a simple LC Meter circuit designed using 555 timer which is used to measure value of a reactive element like a capacitor or an inductor.

This is a simple Precision Audio Milli volt meter Circuits Diagram. This electronic circuit is audio milivolt meter. It measures 10mV to 50Volt RMS in eight ranges. Precision Audio Millivoltmeter C...

The circuit of mains line frequency mater is build around NE555, decode counter, AND gate and seven segment display to measure of AC mains.

Circuit Projects Nonstop-Free Electronic Circuits Project Diagram and Schematics ... This circuit is a sound level meter, very simple, but very effective for your sound system or test bench. This t...

EEVblog #75 - Digital Multimeter Buying Guide for Beginners

CDC Electronic Workshop - Level meter circuit and Finnishing FrankenPC

Electronic Frequency Meter Design Part 10

Peak Electronics ESR70 ESR & Capacitance Meter