How-To: DIY Elevator Controller

Kevin had the beginnings of a homebrew elevator in his house. The cab was lifted and lowered by a hydraulic forklift ram, but it didn’t have the right logic circuits to make it work like an elevator does. He approached Michael, who helped him plan and install the control system for it. After a few revisions, they got it just right. Be sure to read the full story of how they got it working and check out the video of the elevator in action:

[via Hack a Day]
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