D17

Mtx E10/E40

Minitrix E40

Abstract: The homebrew D17 decoder is a drop in replacement of the original analog Minitrix (#12448, #12548). The decoder has been tailored for this locomotive.

E10/E40 DCC decoder PCB

Specs

PCB revision 2

  • Common features
  • Railcom
    • DYN (Custom): Motor Current, CPU load, Context Switches, Brown out counter, Euler/Quaternion orientation for nick/roll/yaw
  • 7-18V track voltage
  • heartbeat LED
  • adjustable max motor current (default 250mA)
  • Function output: LV/LR (dimmable headlights, 1.4kHz)
  • Function output: AUX1/AUX2 (dimmable taillights, 1.4kHz)
  • Function output: AUX3/AUX4 for driver cabin (LEDs on PCB)
  • Function output: AUX5 engine light (LEDs on PCB)
  • Function output: AUX6, AUX7 open drain (each 250mA)
  • onboard 5x 330uF buffer capacity (inrush limited)
  • optional 9-axis motion sensor

Solder pads available,

  • GND common ground after rectifier
  • Vtrack track voltage after rectifier
  • 3.3V common voltage for front/rear lights
    • LED white
    • LED red
  • AUX-6 (OD) open drain output against GND (250mA)
  • AUX-7 (OD) open drain output against GND (250mA)

Gallery

GitHub
User Guide
Spur-N DB