Electronics Circuits and Theory

Scaling Numbers or how avoid floating point.

by 3v0 Published on 22nd February 2012 06:45 AM Number of Views: 3147

Part I: The voltage divider.

Because eight bit mircocontrollers lack floating point instructions using floating ...

The Basics of Bypass Capacitors

by ElectroMaster Published on 27th January 2012 03:44 AM Number of Views: 6757

This article will explain the function of a bypass capacitor, when its appropriate to use them, and what values you should consider using. ...

Introduction to Pulse Width Modulation

by ElectroMaster Published on 26th January 2012 01:21 PM Number of Views: 5430

A look at a powerful technique for controlling analog circuits with a microprocessor's digital outputs. ...

Amplifier Theory Tutorial (work in progress)

by unclejed613 Published on 30th December 2011 03:07 AM Number of Views: 7209

New Article (work in progress)
AMPLIFIER THEORY TUTORIAL

No matter how "digital" things ...

Momentary latching relay

by andrewblog Published on 29th December 2011 10:08 PM Number of Views: 2763

Just for fun I designed and built this simple circuit which drives a monostable relay by a singol momentary button.
...

Solar Charged Remote Control Electric Lawn Mower

by rs14smith Published on 24th December 2011 10:51 AM Number of Views: 4731

I, Robert Steve Smith, have put together a series of videos below that will show you how to create a Solar Charged Remote Control Electric Lawn Mower (SCRCELM). ...

Simple, cheap, Square/Triangle/Sine-wave generator

by alec_t Published on 19th December 2011 07:46 PM Number of Views: 3822

A test signal generator is invaluable when making or repairing electronic equipment. Although a fully-fledged, accurate ...

Common Resistor and Capacitor Values

by ElectroMaster Published on 18th December 2011 11:38 AM Number of Views: 7488

To manufacture resistors (or other components like capacitors) of every possible value would be impractical, instead they are made in a range of ‘Common Values’. The standard was created by Electronic ...

Pull Up and Pull Down Resistor Tutorial

by ericgibbs Published on 18th December 2011 08:15 AM Number of Views: 7343

The Basic use of a pull-up or pull-down resistor is to prevent a 'floating' input to a digital circuit.
...

The versatile CD4093B Schmitt NAND IC

by alec_t Published on 16th December 2011 10:03 PM Number of Views: 2808

Schmitt logic gates such as in the CD4093 quad NAND gate IC are useful buiding blocks for various functions. The example ...

Interfacing a Toshiba T6963C Equipped GLCD with a PIC Microcontroller

by Jon Wilder Published on 2nd December 2011 06:42 PM Number of Views: 3489

So you happen to have a GLCD with the Toshiba T6963C display controller and you want to interface it with a PIC and write ...

Nigel Goodwin's tutorials in C

by Ian Rogers Published on 20th October 2011 03:11 PM

I have decided to convert these tutorials into C. Mainly because there are hardware designs available.
The original designs and code are on Nigel's site.. http://www.winpicprog.co.uk/pic_tutorial.htm

Chip used in following tutorials "pic16f628a"
There is 9 tutorials in Lesson 1 (tutorial_1_C.zip)
There is 4 tutorials in Lesson 2 (tutorial_2_c.zip)
And 3 in lesson 3 (tutorial_3_c.zip)
Lesson 4 has only two (tutorial_4_C.zip)
Chip used in tutorial 6_7 is pic16f648a
Chip used in tutorial 7_7 and tutorial 8 is pic16f876a

I have finished and tested ...

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