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#oscilloscope

3 posts3 participants1 post today
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Ari [APz] Sovijärvi

In the topic of cheap things out of which I've gotten my money's worth from, this DS201 Pro portable scope. I bought it with zero expectations from eBay long ago.

From what I understand, these started their life as a hack firmware to a common MP3 player, turning it into a portable scope. The firmware then found its way into devices that were actually made to be oscilloscopes, such as this one.

I think it cost around $75 or so back in the days, but it has been priceless in arcade repairs over the years, when working with in-situ PCBs in pinball machines.

It's very limited compared to the old HP's CRT scope I also have and it only has a single channel, but as my most common use case is "is anything sensible coming out of that chip" where I can instantly visually determine if we're in business, it's more than adequate.

A cellphone sized portable oscilloscope being held in hand. The device is running and showing a flat signal.
#oscilloscope#electronics#repair
Continued thread
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Francois Dion

A few minutes later I had assembled a Korg oscilloscope. Now, I work for a semiconductor company with an extremely well equipped lab, and I already own a good quality 4 channel bench scope with eurorack compatible leads. So why get the Korg? It is made for audio, very small. Portable, runs on battery or USB. Plus it has channel throughs. And 2 outputs that can be VCOs, LFOs, noise, envelope. There is also a spectrum analyzer and a tuner. I use it a lot.
#korg #oscilloscope #diy #synth

A Bastl Castle connected to a Korg scope. Very portable setup
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