NixTrainz Decoder Buddy Mini

NixTrainz Decoder Buddy Mini

The Decoder Buddy Mini was developed to fit into smaller steam and diesel applications. there has also been interest in HOn3 and S-Gauge applications.

• This mother board does not include the 21 Pin Decoder.


• This mother board requires soldering.


• These printed circuit board is NOT INTENDED FOR USE IN A DC SYSTEM.

The mother board includes:

• One 21 Pin Decoder receptacle


• Two pairs of track input pads


• One pair of motor input pads


• One set of stay alive pads (U+ , GND and if necessary a third control wire )


• One pair of speaker pads

This motherboard is equipped with resistors for use with LED lighting. (separate axial 2.2K) (Also available with 0 ohm, 750 ohm and custom specified resistors for function outputs. This accommodates incandescent lamps or bulbs.) It is IMPORTANT to realize that resistors must be used when LEDs are connected to the four lighting outputs of the Mini!!! The resistors may be soldered in line when purchased or the included resistors may be soldered inline upon installation. Remember there are different incandescent lamp voltages and current draw that have to be taken into consideration also.