Simple Electric Thermometer

Project showcase by Michael Guerero

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Automated Chess Board

Project showcase by Michael Guerero

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Mini HVAC

Project showcase by Michael Guerero

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Petoi Nybble

Project showcase by Rongzhong Li (李荣仲)

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  • Automated Chess Board 23 days ago

    If you're referring to the schematic, those two 3-leg components are the limit switches. They let the stepper motor know when it reached its home position. :)

  • Automated Chess Board 2 months ago

    I can't think of what the exact pin connections were for the stepper drivers and I disassembled it a long time ago. There are dozens of good tutorials out there for the A4988 drivers that I followed that explain everything way better than I ever could so go check some of those out.
    I made this project with almost no background in electronics and using online forums and video tutorials for almost every component and the code. Learning by doing (and failing) is most of the fun for things like this. Good Luck : )

  • Automated Chess Board 2 months ago

    The electromagnet worked for me because I was powering it with 9 Volts instead of 5. Also, the most important thing is to make the distance between the magnet and metal ball as small as possible. I used an acrylic sheet that was less than 2 mm thick and had the magnet almost touching the bottom side of it.

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