Latest News

• Buying Used Technical Books?

  One of my student recommended me to check out the website ABE BOOKS dot com where used books were sold. He already bought couples of repairing books and found...

  • Posted October 8, 2008
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• How To Make LED That Draws From AC Main Line

    A subscriber emailed me with with this question: “How to make an mains indicator with a LED.In my soldering iron the neon or any light and to replace...

  • Posted October 8, 2008
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• Salvaging The Hard Disk Parts?

    Here is a subscriber that shared with me about the usage of some of the parts in hard disk and here is the email: “Hi Jestine, Your defective...

  • Posted October 7, 2008
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• Abou The Zener Diode Tester

  Got question regarding the zener diode tester from a blog reader/ERG Member: “Jestine: It’s always a pleasure to read your monthly newsletter and blog. Thanks for bringing the human...

  • Posted October 7, 2008
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• About Capacitor Coding

    I got an email that asked what is the meaning of the first two code of a polyester (mlyar) capacitor. Here is the question: “Hi Jestine! Hope your...

  • Posted October 7, 2008
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• Electronic Supplier From The UK

  Here is another electronic supplier from the UK and feel free to browse through the website and if possible bookmark it for future reference. Click on the photo to...

  • Posted October 6, 2008
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• Why LCD TV Screen Cracked By Itself

  Remember the previous posting about an email that i received saying that while she was watching the LCD TV, the TV screen cracked by itself! I throw in the...

  • Posted October 6, 2008
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• Electrolytic Capacitors Is Our Good Friend?

  I got an email that stated “Electrolytic capacitors is our good friend”. I was curious as why the sender sent such a sentence then he continued to reason to...

  • Posted October 6, 2008
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