Hello everyone.
I've got a puzzle with an 18M2 (firmware PICAXE-18M2+ vD.A, PICAXE running atdefault 4MHz) where I'm sending "RTSHi" from my laptop as a test (over an AXE027 cable) and :
SERRXD [5000,CommsTimeout],b6,b7,b8,b9,b10 works fine and loads up R,T,S,H,i
However SERRXD...