If you are having difficulty in understanding how to use an LM3915 IC, this article will help you to easily construct any desired applicable circuit using this IC. Here, we will discuss the datasheet … [Read more...] about LM3915 IC Datasheet, Pinout, Application Circuits
Alcohol Detector Meter Circuit using MQ-3 Sensor Module
An alcohol detector is a sensitive device which is able to detect the presence of alcohol molecules or any similar volatile inflammable element in the air and convert it into equivalent level of … [Read more...] about Alcohol Detector Meter Circuit using MQ-3 Sensor Module
Wireless Music Level Indicator Circuit
A wireless music level indicator is an electronic device built for sensing the varying levels of a music signal and convert it into corresponding levels of illumination over an LED array bar. This … [Read more...] about Wireless Music Level Indicator Circuit
10 LED Tachometer Circuit
The post explains how an accurate 10 LED tachometer circuit can be built using ordinary parts like IC 555 and IC LM3915. The idea was requested by Mr. Munsif. What is a Tachometer A tachometer … [Read more...] about 10 LED Tachometer Circuit
Simple Tea Coffee Vending Machine Circuit
A simple tea, coffee vending machine circuit idea is explained here which allows a customer to access the beverage with a press of a button and by inserting a genuine 5 rupee coin. The idea was … [Read more...] about Simple Tea Coffee Vending Machine Circuit
Battery Backup Time Indicator Circuit
The post explains a battery backup time indicator circuit for monitoring the battery power usage by the connected load and for estimating the approximate remaining backup time of the battery. The idea … [Read more...] about Battery Backup Time Indicator Circuit