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  1. M

    Devices Happy to Have Left the Lab

    Antipode to Electronics Point Newsletter, 24 Jan 2019 and the article '3 Implantable Devices That Should Have Never Left the Lab' is this welcome human interest story about Stargardt's disease: [Mod edited to remove an apparently unrelated link ??]
  2. M

    Solenoid Driver Circuit Without Using Arduino

    Bob Pease page on 12 v solenoid driver circuits seems to be a good model. What's All This Solenoid Driver Circuit Stuff, Anyhow? [Mod edit: dysfunctional link removed. Correct link see next post] Working with multiple Uxcell 4.5V open frame linear mini push-pull type solenoids at 40g/2mm, the...
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    Saxophone Switching Logic

    Around 1986, the time of building a saxophone switch-logic circuit using Radio Shack logic gates, MIDI (musical instrument digital interface) had already produced controllers on the market for guitars, etc. but left woodwind players behind. The circuit was connected to switches under the...
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