Archive for category Tips & Tricks

IV-6 Vintage Soviet Numitron Tubes

Recently I have acquired some IV-6 Soviet Numitron Tubes. Numitron tubes are just similar to normal vacuum tubes, but they run on low voltage and current hence making them highly attractive for low power project use.

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Multimeter Temperature Mod

Remember that $4 multimeter that I took apart? Well, I still have it. And its not very reliable nor useful. So, I have decided to make it useful! How you may ask? Well, I am going to make it display temperature so I can estimate the temperatures of different components and heatsinks. This is based on a tutorial by Embedded Lab, so I take no credit for the idea of this build. Here is the link to the project: http://embedded-lab.com/blog/?p=4951. I was thinking about doing a tutorial, but it’s already on Embedded Lab and I don’t want to plagiarise so I am just going to go through how I built this and a few modifications that I have made to the original circuit.

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