In this post we are going to construct a simple LED stopwatch using IC 555 timer and IC 4017 decade counter. The elapsed time is indicated by LEDs which illuminates […]
Simple Continuity Tester Circuit
Using this simple continuity tester circuit continuity among a pair of points could be examined effortlessly by using a multimeter. However multimeter simply being a costly gadget, several amateurs don’t […]
Simple Wheel RPM Meter Circuit
In this post we learn how to make a simple wheel RPM meter circuit for calibrating the RPM in crucial machines which require precise RPM settings. All types machine wheel […]
Sound Decibel Meter Circuit
The sound decibel meter circuit shown underneath reacts to audio air pressure concentrations from approximately 60 to 70 dB. The sound is sensed by an eight ohm loudspeaker, intensified by […]
2 Simple Accurate Capacitance Meter Circuits
This first easy circuit will permit you to figure out the value of an unidentified capacitor through a ‘Bridge’ principle. The exciting portion of the operation is to the right […]
Simple Digital Voltmeter Circuit
The article points out a straightforward digital panel type voltmeter circuit utilizing a single IC L7107 and a couple of other normal parts. The circuit has the capacity to calculate […]