Trying to take the voltage down from 18V to 10V to connect my z21 start to märklin z feeder track but the z21 won't give any power. Anyone familiar with DC DC
Amazon.com: Roco Fleischmann Z21 – negro digitalsystem Command estación DCC ~ hierro Planet aficiones : Arte y Manualidades
Roco 10814 Pack WiFi pour centrale Z21 : Amazon.fr: Jeux et Jouets