A seven-segment display (SSD) is a widely used electronic display device for displaying decimal numbers from 0 to 9. They are most commonly used in electronic devices like digital clocks, timers and calculators to display numeric information.
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Using Interrupts on Arduino
http://www.allaboutcircuits.com –
What's awesome about this is that it structures your system to react quickly and efficiently to important events that aren't easy to anticipate in software. Best of all, it frees up your processor for doing other stuff while it's waiting on an event to show up.
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Audio Amplifier with Salvaged Parts
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This Instructable is the project I built with a schematic from the IC datasheet and some parts I removed from an old CB radio. Before I call the project completed, I need to add a heat-sink to the amplifier IC and some vent holes in my project box. But as it is right now the amplifier works and sounds great.
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Basic Electronics
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Getting started with basic electronics is easier than you might think. This Instructable will hopefully demystify the basics of electronics so that anyone with an interest in building circuits can hit the ground running. This is a quick overview into practical electronics and it is not my goal to delve deeply into the science of electrical engineering.
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Op-amp Circuits
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The integrator does just what the name implies. It integrates - in the calculus sense - the input signal to produce the output signal. There is a scaling factor and a minus sign again, but that's pretty much what happens.
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Arduino LED Chaser
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In this project we are going to interface a ROTARY ENCODER with ARDUINO. ARDUINO UNO is an ATMEGA controller based development board designed for electronic engineers and hobbyists. In ARDUINO we have 20 I/O pins, so we can program 20 pins of UNO to be used as either input or output.
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Object Counter Circuit
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Object counters or product counters are important applications used in industries, shopping malls, etc. They count objects or products automatically and so reduce human efforts. In this tutorial we are going to design a simple object counter circuit without using any microcontroller.
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Making of IR Sensor Module
http://www.roboticsbible.com –
As per the reader’s request, here is the making of the IR Sensor Module. An IR Sensor module is a sensor that transmits and receives infra-red rays when a surface or object is detected. It is a multipurpose sensor, which can be used in line following robot, obstacle avoiding robot, edge avoiding robot, etc.
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Line Follower Robot without using Microcontroller
http://www.roboticsbible.com –
Nowadays, every robot is done with the help of the microcontroller, and hence the circuit is too big and tough to understand. For that reason, this Intelligent Line follower robot is developed with a simple concept. This robot is a mobile device that detects and follows the line drawn on the floor. The path must be in a visible black line on a white surface.
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IC 4017 Circuits
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IC CD4017 is a CMOS decade counter IC. It can produce output at the 10 pins sequentially, i.e. it produce output one by one at the 10 output pins. Explore below some interesting electronic circuits based on IC CD4017.
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