Quad Servo Decoder-Monitor

Download the MRH June 2022 Bonus Extra document giving details of the QSDM PCBs and components required, together with recommended suppliers, plus the necessary Arduino software (sketches) for the Decoder and Monitor sections of the QSDM ready for input to the Arduino IDE (.ino format) or as a PDF document.
Also available is a document describing the technical details of the QSDM, including circuit schematics and the organisation of DCC Configuration Variables within the Decoder section. These CVs can be accessed using either the A-Track application with NCE systems or JMRI Decoder Pro using any DCC command station. Download the files by right-clicking on the links and selecting the appropriate option offered by your browser to 'Save' the files (or links) -