I have made use of this circuit to capture DCC packets from my Arduino based Command Station (see DCC Command Station). This opens up a wide world of control options for animations, sound and other options on a DCC equipped model railroad.
#Rocrail sensor set pro
It described how an Arduino Pro Mini (a low cost Arduino board) could be wired and programmed to respond to function keys on a DCC controller.
#Rocrail sensor set plus
T1-T6 twin coil turnouts plus T7 T8 as switches T1 - T8 twin coil turnouts T9 - T16 twin coil turnoutsįrom an excellent tutorial by Geoff Bunza in the Model Railroad Hobbyist Magazine forum.
NB: In the Arduino Nano sketch, the NmraDCC library files must be version NmraDcc-1.2.1.zip - later versions will not work. PCB is identified as 'DCC turnouts / points Oct 2019' on the top surface of the PCB.Īn Arduino Nano module provides 8 turnouts each configurable for momentary surface (or under base) mount or tortoise slow motion motor types, or for on/off switches (signals, station lighting, sounds etc) I now have a new PCB designed for this application - available from eBay from. Updated : I have added a new step for a servo points controller. Updated : Added a new sketch to control 8 servos, 6 LED's and 2 flashing LED's I now provide the PCB for this project with a modification to make pin A5 feed the LED and to switch 5v to the h-bridge ICs. Updated : On v2 version of the PCB (Oct 2019) Arduino Nano pin A6 may not work as designed (analog pin used to switch 5v) To use this on the finished assembly, hold this button while you select the required address from your DCC controller. PCB v3 version Jun 2021 also has a push button to store the accessory address. Updated : new PCB v3 (Jun 2021) available with added memory push button to set the first turnout address.
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