D18

Hbt E10/E40

Hobbytrain E10

Abstract: The homebrew D18 decoder is a drop in replacement of the original analog Hobbytrain (#2810, #2811, #2812, #2813, #2814, #2816, #2817) . The decoder has been tailored for this locomotive.

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, 1.4kHz) as logic level
  • Function output: AUX3, AUX4 open drain (each 250mA)
  • Function output: AUX5 engine room (LEDs on PCB)
  • onboard 4x 330uF buffer capacity (inrush limited)
  • optional 9-axis motion sensor
  • <10mA idle current (20mA with motion sensor active)

Solder pads available,

  • GND common ground after rectifier
  • Vtrack track voltage after rectifier
  • AUX-1 (LL) logic level output to drive LEDs
  • AUX-2 (LL) logic level output to drive LEDs
  • AUX-3 (OD) open drain output against GND (250mA)
  • AUX-4 (OD) open drain output against GND (250mA)

Gallery

Installation of PCB revision 1