A Pile of Used Tech

February 3, 2020

I recently had an idea occur to me that I might be able to pick up used Raspberry Pis off of eBay more affordably than buying them new. I didn’t really find a ton of savings, but I did pick up an auction for a lot of various parts for fairly cheap.

I am not sure what I’m going to do with all of this, but it seemed like a deal for around $50. I was worried that it wouldn’t all be included, but it was. Not everything is what I had hoped though. Two of the three Raspberry Pi 2s seem to be dead. I’ve tried several trouble shooting methods so far. They turn on, but don’t seem to real SD cards at all.

The arduino is a genuine Arduino, which is nice, but its a fairly older model. Not a huge issue, but it is what it is. The screens were a nice bonus. I’ve been looking into getting a screen of some sort of my Pis, possibly for a RetroPi handheld build. I have not tested the larger screen yet, it seems to work off of a funky daisy chain of an extra board and some cables. I did get the smaller screen working… ish.

It’s a nice little touch screen that fits nicely on top of the Pi. I have not had a chance to properly troubleshoot it, but the touch works kind of funky on it. For one, it seems to function more like a track pad than a straight touch. Two, the mouse cursor only wants to move along a diagonal axis across the screen.

This all kind of feels like a configuration issue however, so there is some hope. Plus I am not sure I really need a touch interface for a RetroPi handheld build.

There’s some other fun stuff that I have not had a chance to mess with yet. There were a ton of ultra sonic sensors. I’m not sure what exactly these could be useful for, but I am wondering if they would be able to do 3D imaging of an object or a space.

There’s some funky board with a digital display on it that seems to be some sort of power board. I am not sure I’m going to have a use for this at all.

Lastly, there is a Raspberry Pi camera module. I have not had a chance to test it out yet, but like the screen, this was something I’ve been wanting to try out.

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