L293 Quad Half-H Driver IC Pinout, Datasheet, Application Circuit

In this post we investigate the technical specifications and pinout details of the IC L293 which is a versatile quad half-H driver IC, and can be used for implementing many interesting motor driver based circuit applications, such as for operating motors, solenoids and other inductive loads (4 units separately or in pairs through push-pull mode). How … Read moreL293 Quad Half-H Driver IC Pinout, Datasheet, Application Circuit

How Electret Microphones Work – Full Tutorial and Diagram

The post explains how electret microphone devices work, through appropriate diagrams and formulas. What’s a Microphone A microphone is a device designed for transforming weak sound vibrations into tiny electrical pulses, which can be then amplified through a power amplifier over a loudspeaker for achieving a louder reproduction of the sound. The most common and … Read moreHow Electret Microphones Work – Full Tutorial and Diagram

Force Sensing Resistor Explained

In this article we are going to see, what force sensing resistor is, their construction, specification and finally how to interface it with Arduino microcontroller. What is Force Sensing Resistor A force sensing resistor senses the force applied to it and correspondingly changes its resistance. The resistance is inversely proportional to force. This means when … Read moreForce Sensing Resistor Explained

How to Select MOV – Explained with a Practical Design

MOVs or metal oxide varistors are devices designed for controlling mains switch ON surges in electrical and electronic circuits. Selecting an MOV for a particular electronic circuit might require some consideration and calculation, let’s learn the procedures here. What are MOVs Metal oxide varistors or simply varistors are non-linear surge suppressor devices which are used … Read moreHow to Select MOV – Explained with a Practical Design

LM35 Pinout, Datasheet, Application Circuit

The post explains how to make an LM35 application circuit by understanding its datasheet, pinouts and other technical specifications. By: SS kopparthy LM35 Main Specifications The IC LM35 is a temperature measuring device that looks like a transistor (most popular package is TO-92 package). This device is found in most of the circuits that need … Read moreLM35 Pinout, Datasheet, Application Circuit

IC 555 Pinouts, Application Circuits and Calculations

The post explains the how IC 555 works, its basic pinout details and how to configure the IC in its standard or popular astable, bistable, and monostable circuit modes. The post also details the various formulas for calculating the IC 555 parameters. Introduction Our hobby world would be less interesting without IC 555. It would … Read moreIC 555 Pinouts, Application Circuits and Calculations