Thanks to the foro and the author of the diagrams friends do not know which I should build recorders for reading the (ROM110, Rev.AC9) and (ROM142 rev.G04) interface is the Unlooper my v3 and coincides with the connection of REVB T911 mod, and what you been checking the connections match with my T911 v3 Unlooper just change the numbers that put the red of the HC00 and Atmel pin1 of a switch. I hope the answer and I'm just grateful friends learning this subject ..