Show HN: PiScope – Turn Your Raspberry Pi into an Oscilloscope/XY Plotter

That&#x27;s a nice starter project. There are lots of &quot;turn your PC into an oscilloscope&quot; USB devices, starting around $50 for a 200KHz sampling rate.[1] For $269, you can get a 2GHz sampling rate.[2] It&#x27;s hard to justify getting a dedicated scope any more, unless you need something exotic.<p>[1] <a href="https:&#x2F;&#x2F;www.bananarobotics.com&#x2F;shop&#x2F;Educational-PC-Oscilloscope-Electronic-Kit" rel="nofollow">https:&#x2F;&#x2F;www.bananarobotics.com&#x2F;shop&#x2F;Educational-PC-Oscillosc...</a> [2] <a href="https:&#x2F;&#x2F;www.sparkfun.com&#x2F;products&#x2F;9263" rel="nofollow">https:&#x2F;&#x2F;www.sparkfun.com&#x2F;products&#x2F;9263</a>

Hi, I am the author. This is a hobby project. I think it could be a useful tool for DIYers. Any feedback is much appreciated.

Looks useful for data logging and general experimental work in low speed scenarios. I&#x27;m currently using a TI 83 silver edition and a TI CBL and some Vernier sensors for this sort of stuff and it&#x27;s a bit sucky but was essentially skip dived.<p>As a scope though, forget it. You need at least 1-2MHz BW for something usable for even audio applications. At least 20MHz is probably a good idea. I have a 20MHz analogue scope (LG) and it cost me £10 (~$15) which is less than the Pi.

Sweet and totally within the spirit of RaspberryPi. Thanks for releasing it.<p>PS. 3K sample&#x2F;sec is good enough for a lot of work on sensors and also for the youngish to get a handle on how to do ADC and process it - who knows some young person may start of experimenting with something like this and go onto design something quite awesome in the future.

In much the same vein, if you&#x27;ve got a little extra cash to cough up for a cheapo $60 scope (which can be pushed to 20ish MHz bandwidth, or perhaps better), I&#x27;ve managed to a lot of the similar stuff (in Python) on a Raspberry Pi with a library I rolled for the Hantek 6022BE: <a href="https:&#x2F;&#x2F;github.com&#x2F;rpcope1&#x2F;Hantek6022API" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;rpcope1&#x2F;Hantek6022API</a>