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Showing posts from June, 2020

Pistons of Studliness

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My organ console, as I received it, had 13 thumb pistons. It had been wired for 2 toe studs, but they were removed before it was sold to me.    Back in early March,  scored a set of 17 toe studs on ebay.    The pistons had the same issue as all the other wiring,  it really wanted to run at 12 volts, not 5. The toe studs are OSI standard buttons with copper contacts and worked just fine at 5 volts, so all that was going to be necessary was to install them and hook them to an arduino.   I decided to do the toes first, and think about the thumbs while I worked on it.  Here are my gently used toe studs as they arrived.  Half are on those oak rails, and half packed into that plastic bottle.  They are machined from solid metal, so nothing can really happen to them in the mail, but nice not to be rattling around loose. Inside the medicine bottle I found the screws and label plates for the loose studs.  I was hoping i'd be able to use the rails - they have a nice rake to them, and it would