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Gale, 24 Jan 2016 18:02

Hardware Links

AC Control

  1. TRIACs: Low cost, high current handling capability.
  2. Traditional relay: moving parts, relatively low cost, very high current
  3. Solid State Relay: Higher cost, no moving parts. Advantage over TRIACs is that SSR can interrupt current at any point in the AC waveform. TRIACs only cut off current at the zero-crossing point.

DC Control


Stepper Motor Control

  1. TI DRV8811: Integrated FETs, up to 1.9A per coil http://www.ti.com/lit/ds/symlink/drv8811.pdf
  2. (Toshiba?) TB6612: Used on adafruit and other boards: https://www.adafruit.com/products/2448 Documentation/sourcing appears limited