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One of my Geiger counters seems to go crazy with a high pitched noise from time to time.

It looks like using the inductor is a major sound upgrade.

I examine a few cheap ways to get good sound from the CDV-700 Geiger counter for cheap.

I haven't done any refurbishing on this one yet but it seems to be working.

A nice guy on a Geiger Counter site sent me a few CDV 700 Geiger counters and a rebuild kit.

I got a used oscilloscope for my birthday and I'm finding a lot of interesting things to probe.

jasonthepcmd.blogspot.com In the previous video we found a bad hard drive in the Dell E6400 laptop. Here's how I normally copy the drives with Ghost using a Windows Vista or 7 Boot disc. Note: If you are Ghosting a Windows Vista or Windows 7 drive and it doesn't boot after the Ghost procedure, boot from the install disc again and run the automated repair. That'll fix it every time. If you like ...

With the help of an ATTiny45 chip, the Arduino is no longer needed!

This is part of the circuit I'm working on to build a Flux Capacitor. Since I only have a small breadboard, I can't fit the whole Y shape on to it.

My wife got me an arduino kit for Christmas!

jasonthepcmd.blogspot.com This is my new ELM327 clone bluetooth dongle and I show how it works with an Android phone

Here's how to replace the Crankshaft Position Sensor (CKP) on a 2008 and newer Jeep Patriot, Compass, Dodge Caliber, Mitsubishi Galant, Outlander, Lancer, and some KIA and Hyundais. This is for the 1.8, 2.0 and 2.4 World Engine Varients such as the 4B11, 4B12, and Theta II.

Here's what to look for if you have clattering noise from your Galant, Spyder GS or another car that uses this engine.

jasonthepcmd.blogspot.com The 80GB Seagate Momentus 7200.4 that I've seen in several Dells seems to have a really high failure rate where the drive will suddenly stop detecting. You can help prevent this by updating the firmware.

Jason The PC MD: How to test the memory on your computer using Memtest86

How to run diagnostics on a Dell laptop

Reading your car's check engine light with a $20 cable.

Testing for a bad hard drive on a Compaq CQ60 laptop

Dell Latitude E6400/E6410/E6420/E6430 dead/cracked screen repair