A safe way for Makers and DiY'ers to control mains ac power with a microcontroller.


16-Channel PWM Controller Board
PN 9000: $39.99 ea
In Stock

Provides up to 16 PWM channels of phase control for 120/240vac incandescent/led light string dimming and motor speed control.
  • Program from a user-provided Arduino UNO, Arduino Pro or other microcontroller. 6 pin connections; 5 I/O pins plus one interrupt.
  • Outputs connect directly to up to 16 PowerSSR Tails; one for each independently programmed channel.
  • Each channel provides 4095 steps of voltage control for smooth dim/bright transitions; no flicker.
  • True ac phase control; no ac-to-dc voltage conversion.
  • No exposed mains voltage.
  • One ZeroCross Tail or PSSR/ZC Tail required to generate zero-cross sync pulse.
  • Multiple Interface boards can be used to provide additional channels in 16 channel increments.
  • Also works with our 240vac kits in 50 hz locations.
  • Download  instructions , sample sketch  and  modified TLC5740 library .
  • Demo video .
  • Assembled and tested.

  • DC power requirements: 5vdc @ 50 ma max.
  • Board size: 3.5" x 2.5"
  • Mounting: Four #6 screws on 2.0" x 3.0" grid.

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Our liability is limited to the purchase price of this product. By using this product you agree that PowerSwitchTail.com, LLC can not be held liable for any damages or injuries resulting from use. misuse, or repair. This product is for indoor use only.