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Fluke 196B Handheld ScopeMeter Repair

Fluke 196B Handheld ScopeMeter Repair

Over at The Signal Path Blog  Shahriar Shahramian has a look at a Fluke 196B Handheld ScopeMeter that he purchased from an eBay seller. The meter was purchased for a few hundred dollars and was listed with a fault that is doesnt power up.

Published: February 12th, 2014

DIY Lab Power Supply

DIY Lab Power Supply

Kerry Wong had a few huge heat sink kicking around, instead of selling them for scrap aluminum he decided to build some useful lab equipment. The first one went into the DIY Electronic Load and the second was used in his DIY Lab Power Supply.

Published: February 9th, 2014

HP 3468A Bench Multimeter Repair

HP 3468A Bench Multimeter Repair

  There are a number of great older bench meters out there that would be perfect when upgrading from a hand held meter when working on the bench.

Published: February 9th, 2014

Use an LED as a Sensors

Use an LED as a Sensors

Michael Beyhs has a new site called Electrical Engineering and More, his first project shows us how to Use an LED as a Sensor. LEDs are normally used to produce light but like many other electrical items it works a bit in the other direction, meaning that it will produce a small voltage when you shine light into it.

Published: February 9th, 2014

DIY 4 Channel Electronic Load

DIY 4 Channel Electronic Load

Instead of keeping a dozen sizes of power resistors on hand to test your variety of power supplies an electronic load allows you to dial in the exact load you are looking for.

Published: February 9th, 2014

Ammo Box Stereo

Ammo Box Stereo

When you take your portable radio to the beach are you always making sure nothing rubs against it so you keep the finish scratch free. If the kids are playing close to it you make sure they dont have anything more dangerous than a rubber ducky since you know it will end up falling on your shiny radio.

Published: February 9th, 2014

Car Stereo Amp Repair

Car Stereo Amp Repair

This amp sure had a ton of issues. Maxxarcade found that there were multiple shorted transistors that needed to be replaced. The amp was built with the TO-220 power transistors tab soldered to a thin heatsink.

Published: February 1st, 2014

RumbleRail  Floppy Disk Jukebox

RumbleRail Floppy Disk Jukebox

   If you still have a few floppy drives left over after making your Floppy Drive CNC machine have a look at making some music by making a Floppy Disk Jukebox!  The overall setup is completly modular.

Published: January 31st, 2014

DIY In Circuit Capacitor ESR Meter

DIY In Circuit Capacitor ESR Meter

If you are fixing some used electronics chances are you will come across some bad caps that are causing some issues. Capacitors have a property known as ESR or equivalent series resistance.

Published: January 31st, 2014

Car Computer Build

Car Computer Build

Even the most modern cars (except possibly ones made by Tesla) dont provide much computing power that the user can harness. EEVBlog user Ptodorov wanted to have the power of a mini computer in his car.

Published: January 27th, 2014


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