(...) K, tested the new firmware of Marks in 2 RCX's--one 'master', one 'slave'. Used the lamp bricks as the resistor as well. Works mighty impressive. My problem is I only have 1 AC RCX right now so the slave was running off of batteries. I can see (...) (21 years ago, 7-Jul-03, to lugnet.org.ca.rtltoronto, lugnet.trains)
