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Five Parts Audio Amplifier cannot be any simpler[Project]
posted September 23 2014 17:08.57 by Giorgos Lazaridis

Actually, you can make an amplifier with three parts, (no voltage divider bias and no darlington pair connection). But this one gives a better output in[...more]

[Link: Green Universe]
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Zener Diode Temperature Coefficient Explained [Theory]
posted September 23 2014 17:04.35 by Giorgos Lazaridis

Zener diodes are widely used to create voltage reference values in a circuit. In some situations, a very stable voltage reference is required. A common[...more]

[Link: mjlorton]
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Hands on Digital Electronics - A simple 2 digits Counter [Project]
posted September 23 2014 16:28.39 by Giorgos Lazaridis

I remember when i was younger (quite younger) my first digital project EVER was a similar counter with 3 digits. I used a perforated board (breadboards[...more]

[Link: engineers garage]
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MCP73831/2 Li-Ion, Li-Po Miniature Single-Cell Charge Controller [Chip Ideas]
posted September 22 2014 18:16.27 by Giorgos Lazaridis

This is a very good solution for charging your Li-Ion batteries for your projects. This is actually what Panagiotis Kalogieris did for a project of his[...more]

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This DIY Aluminum 3D Printer may kickstart your creativity [Project]
posted September 22 2014 17:54.30 by Giorgos Lazaridis

This is the finished DIY 3D printer from Thinh Lavith. Its the result of a 5-months hard work after making another wooden prototype, which proved to be[...more]

[Link: Lavith]
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Fairchild Webminar on Switch-Mode Power Supplies [Webminar]
posted September 22 2014 17:14.47 by Giorgos Lazaridis

Do not miss this webminar: Fairchild semiconductor announced an upcoming webminar titled "Create Reliable Designs for High-Voltage Non-Isolated Switch-Mode[...more]

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How Peltier TE work - TEG Energy Harvesting Experiments [Theory]
posted September 22 2014 16:57.37 by Giorgos Lazaridis

Dave from EEVblog trikes again with an excellent theory video - this time he talks about the Peltier TE Heat Pumps[...more]

[Link: EEVblog]
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A Cyclone for your Vacuum - Step By Step [Project]
posted September 22 2014 16:52.06 by Giorgos Lazaridis

Its an amazing video from Cosmas Bauer. First of all, many people do not know what a cyclone dust extraction system actually is, and second you can see[...more]

[Link: Cosmas B]
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MCP1640 - 0.35V High Efficiency Boost Regulator [Chip Ideas]
posted September 19 2014 5:50.06 by Giorgos Lazaridis

I have tested this chip myself and I was quite surprised by the fact that it can operate at such low voltage! The Microchip MCP1640 is a 0.65V Start-up[...more]

[Link: Microchip]
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