Electronics Circuits and Theory

COOP BUILD: Breadboard Trainer/Lab/Breadboard Buddies

by 3v0 Published on 10th October 2012 10:55 PM

This is the master index for all completed modules for this project. Please PM 3v0 if you have uploaded a module here. ...

Creating Projects in MPLAB IDE

by Ian Rogers Published on 27th September 2012 08:26 PM

A few months ago I was involved in helping another user creating and compiling a project using the MPLAB IDE from Microchip...
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The Secret Knock Detector Project

by DerStrom8 Published on 26th September 2012 07:48 PM Number of Views: 1213

Introduction and Overview

The Secret Knock Detector project is a variation of Steve Hoefer’s Secret ...

555 Timer as a Hysteretic Controller

by dougy83 Published on 24th September 2012 11:38 PM Number of Views: 2207

The 555 timer IC is often used to provide flexible astable oscillators and monostable timers. The IC is also capable of ...

Easy DIY "Wiimote" Light bar

by ()blivion Published on 24th September 2012 08:41 AM

*DISCLAIMER* THIS PROJECT WORKED 100% FOR ME, I HOPE IT WORKS FOR YOU TOO. BUT I CAN NOT SUPERVISE YOU WHILE BUILDING THIS, ...

Toy Organ

by ElectroMaster Published on 17th September 2012 08:21 AM Number of Views: 931

This circuit produces a tone according to the button being pressed. Only 1 button can be pressed at a time, that's why it is called a monophonic organ. You can change the 1k resistors to produce a more-accurate scale.
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4-bit LCD in C18 Compiler

by Wond3rboy Published on 21st August 2012 07:54 AM Number of Views: 1010

Hi, here is a code in C18 for using an LCD in 4-bit mode to display the string "Hello ETO!". It uses a 4MHz oscillator ...

Brushless DC Motor Speed Controller

by alec_t Published on 8th August 2012 04:12 PM Number of Views: 2384

A simple, cheap, BLDC motor controller using readily-available components is described.
Most previously-published ...

Voltage Splitter.

by ()blivion Published on 29th July 2012 08:33 PM Number of Views: 1628

A lot of times when building circuits, (such as op-amp circuits), you'll find that you need a power supply with both positive(+) ...

A Novel Harmonic Oscillator: The GIC Resonator

by Winterstone Published on 16th July 2012 01:38 PM

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Stupid Simple Temperature Controlled PC box fan driver.

by ()blivion Published on 23rd June 2012 02:14 AM Number of Views: 3005

Hello and welcome. Feel free to skip any sections you don't want to read. To make this circuit work you really only need ...

Relays & Ladder Logic for NOOBs

by strantor Published on 10th May 2012 05:57 AM Number of Views: 6029

This attempt at an instructional thread is in response to several experiences I've had trying to convey relay circuits to ...

Simple PWM control

by alec_t Published on 1st April 2012 07:08 PM Number of Views: 5448

Here's a simple PWM control circuit using inexpensive readily-available components.

The circuit component ...

PIC 16F and Register Banking Explained

by Jon Wilder Published on 25th March 2012 09:29 AM Number of Views: 5198

PIC 16F And iRAM Banking

By Jon Wilder

As some of you have noticed, the internal RAM in the ...

Skinflint's Anti-static Wrist-strap

by alec_t Published on 16th March 2012 09:55 AM Number of Views: 2741

When working on static-sensitive circuits, e.g. involving CMOS ICs, it is advisable first to discharge static electricity ...

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