Content for LM358

Flex Sensor to bargraph monitor using PIC16F886

“Tiny Bar-Graph display provide a Red color bright, easy to read display which is proportional to the force applied on FLEX sensor surface. This Bar-Graph has 20 segments in single color and display Force applied on FLEX sensor. The Barograph …

Texas Instruments

Texas Instruments Inc. (TI) is an American technology company that designs and manufactures semiconductors, which it sells to electronics designers and manufacturers globally. Headquartered in Dallas, Texas, United States, TI is one of the top ten semiconductor companies worldwide, based …

Line Follower Bot

“A line follower robot is the one which follows a dark line drawn on a light colored (white) background.The working is explained with three sections, one is the input section where the lines are detected, the second one is …

Build Your Own Low-Resistance Meter

“You probably already have a DMM for measuring resistance, but can it be used with resistances below 1O? And if so, are those low-ohm readings reliable? This project will show you how to make your own low-resistance meter; it uses …

DIY Synth Series Part 1 — The Exponential VCO

“Today’s music is mostly made using computer software to master tracks, add instrumentals, mix songs, manipulate sounds and much more— but how do they use to make music? Music used to be done entirely with REAL instruments such as …

Electromagnetic Field (EMF) Detector with LM358

“In this instructable I will show you how I made an Electromagnetic Field (EMF) detector with dual operational amplifier and 2 inductors. With this device you can hear for example how your TV or phone are working. The circuit is …

Light Saber Igniter

“Home made Light Saber projects can consist of one bright led in the hilt or a row of LED’s in the shaft that all light up at the same time. To look a bit more authentic a sequential lighting …

Single white line detector for SUMO ROBOT

“Every ROBOT entering a SUMO contest needs a white line detector not to fall out of the DOJO (Arena with a white border ! Build this circuit and get ready for combat ! This circuit uses 1/2 of a LM358 OpAmp …

Do-It-Yourself Soldering Station with an ATmega8

“What is one of the most essential tools in an electrical engineers kit? Ill tell you one that you probably love and hate; the soldering iron. You dont have to be an EE to need one, you’ll need one …

Automatic Drink Mixer

“In this tutorial we will attempt to create a system that will integrate electrical hardware, software, and mechanical systems to complete the task of drink mixing automation. The final product is a drink carousel that has the capability of pouring …