Converting it to run on a wall thermostat. This is just a test and not how it will be wired in final form. I am planning to use an arduino nano and two SSRs to control it. There will be a 1 minute delay between fan and compressor and if the inside coil gets to 33F it will shut off the compressor until it hits 38F to defrost and prevent freezing.
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https://www.youtube.com/watch?v=K4VM59ggE1Y
Replaced the Y axis ball screw after the last one's balls fell off... That happens after 2500 hours of hard working I guess. In this terrible video I just wrote some G-code to send it side to side a bit to break things in and spread the lube.
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https://www.youtube.com/watch?v=rcnhrCPc8mY
It's a.. well, we dont know. It's old, the engine is a 16hp briggs cast iron from 1970 as far as we can tell. It's been sitting since the 90's and I got it running with no parts needed.
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https://www.youtube.com/watch?v=Qrp1dXRgGcI
Using an Arduino Uno and some Max7219 LED matrix displays.
Here's the code: https://nextcloud.thiscloudiscrap.com/index.php/s/ba4CmZHj4We5s56
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https://www.youtube.com/watch?v=lffZsPHqw9k
This is based on an old Intructable i did: https://www.instructables.com/Toughbook-CF-U1-Readily-Available-SSD-Mod/
This uses parts from amazon to put a larger and faster SSD in a U1. 128GB should be considered maximum for reliable usage.
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https://www.youtube.com/watch?v=9syGVhpcqGY