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  1. M

    PID - unstable after applying load

    Hello All, A class I am in is working on setting up a PID control for a 90V motor to control RPM. We are using an Arduino Uno, but not using the PID library (professor wanted us to get experience writing the code ourselves). We manually tuned the constants with no load on the motor, and had...
  2. M

    help with adjustable power supply

    Hello All, Playing around with my first project. Trying to build this: http://www.instructables.com/id/How-to-Build-a-Bench-Top-Power-Supply/ My breadboard is a mess, but I attached a picture any way. I am using a 12V wall-wart, and I can use the pot to adjust the output, but, only...
  3. M

    vendor review - Futurlec

    Hello All, I don't know if this is appropriate here in this forum, if not accept my apologies. I have yet to try my first electronics hobby project. I ordered miscellaneous parts from an outfit called Futurlec on Nov 27th, and have yet to receive anything from them. I got no order...
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