Magazine:
Model Railroad Hobbyist 2019-12
Page:
24
Category:
Operations
The author shows how he built an analog fast clock using an Arduino.
Magazine:
Model Railroad Hobbyist 2020-06
Page:
37
Category:
Electronics
The article explains how supercapacitors work, how to build the circuit, and how to connect it to a Soundtraxx (and other) DCC decoder.