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200 Transistor Circuits![Colin Mitchell]()
1-100 TransistorCircuits 101-200 TransistorCircuits Colin Mitchell colin@elechelp.com Here is a…
January 26, 2009
Published by Author 365
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Data Book 1![Colin Mitchell]()
Pages 1 - 21 Pages 22 - 41 Pages 42 - 62 Pages 63 - 85 Contents AC Trigger 39 Microphone 83 Ammeter…
December 02, 2008
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Crystal Locked FM Bug![Colin Mitchell]()
Xtal Bug Circuit Producing a crystal locked transmitter is a natural extension to our FM Bug series…
November 06, 2008
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Fundamentals of Engineering and Electronics![Colin Mitchell]()
This is a most comprehensive file and contains hundreds of pages of text on Electricity and…
August 28, 2008
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Fish Shop Timer![Colin Mitchell]()
Buying PICkit-2 Learn about PIC12F629 PIC12F629 Data Sheet (.pdf 4,926KB) Instruction Set for PIC…
August 28, 2008
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12 Fxxx Proto Board![Colin Mitchell]()
Learn about PIC12F629 PIC12F629 Data Sheet (.pdf 4,926KB) Instruction Set for PIC12F629 blank12F…
August 28, 2008
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Spot the Mistakes 8![Colin Mitchell]()
The next mistake is simply "over-complexity" from a kit by Future Kit, a Thailand firm. Look at the…
April 30, 2008
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Mini Frequency Counter![Colin Mitchell]()
This is a very handy piece of TEST EQUIPMENT to add to your workbench. Talking Electronics has a…
February 10, 2008
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Changing Micros![Colin Mitchell]()
Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 At some stage in your work you will have to change…
February 01, 2008
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Diesel Sound![Colin Mitchell]()
This project is available on 3 different PC boards: Diesel Sound 1 -long board Diesel Sound 2 -short…
January 28, 2008
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Talking About Micros![Colin Mitchell]()
Chapter 1 Chapter 2 In this chapter we talk about the magic of a microcontroller. A single…
December 12, 2007
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Solar Garden Light![Colin Mitchell]()
How a Solar Garden Light works Two different circuits and how they work Both circuits can be…
December 08, 2007
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Hearing Aid-2![Colin Mitchell]()
Kits are available for the push-pull version. Parts can be sourced from your junk-box and mounted on…
November 21, 2007
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30w+30w Amplifier![Colin Mitchell]()
30w + 30w GUITAR AMPLIFIER This project can be seen on the following website: http://www.e-monsite…
November 11, 2007
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Steam Engine Simulator![Colin Mitchell]()
Steam Engine Simulator Steam Engine Simulator close-up Steam Engine Simulator PC board Steam Engine…
November 08, 2007
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Sky Writer![Colin Mitchell]()
An educational project using a PIC chip This is a future article for Elektor Magazine To place an…
November 03, 2007
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Spot the Mistakes 7![Colin Mitchell]()
2-Digit Display The next circuit has a number of problems. It is possibly the worst "2-Digit Display…
November 02, 2007
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Inductance Meter![Colin Mitchell]()
INDUCTANCE METER One of the most difficult items to measure is an inductor. This is mainly due to…
November 01, 2007
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Spy Circuits![Colin Mitchell]()
P1 Page 2 Page 3 Page 4 (fox hunt) Note: All the circuits described in this article must be used…
October 13, 2007
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Talk To Me![Colin Mitchell]()
This is an interesting project to show the effect of a "Robot Invasion." Each "Talk To Me" can…
October 08, 2007
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