D20
NEM 651
Abstract: The homebrew D20 decoder is a double sided mobile decoder with 6-pin (NEM 651) connector.
Specs
PCB revision 0
- supports common features
- Railcom
- DYN (Custom): Motor Current, CPU load, Context Switches, Brown out counter
- double sided PCB
- Dimension: 14×8 mm
- 7-20V track voltage
- heartbeat LED
- adjustable max motor current (default 300mA)
- adjustable max AUX current (default 500mA)
- over temp protection
- Function output: LF/LR (dimmable, 1.4kHz)
- Function output: AUX1/AUX2 (dimmable, 1.4kHz) open drain and logic level (3.3V) via solder pads
- Function output: AUX3/AUX4 logic level (3.3V) solder pads
- optional external buffer capacitor (max. 1500uF)
- <10mA idle power consumption
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 (LL) logic level output to drive LEDs
- AUX-4 (LL) logic level output to drive LEDs
- AUX-1 (OD) open drain output against GND (250mA)
- AUX-1 (OD) open drain output against GND (250mA)
Gallery
