I have the kangaroo v2 hooked up on a sabertooth. Connected via USB ttl adapter. 3 diverent Versions. Xsim does Not recognize the kangaroo as input. The velleman without problems. Describe Software finds the kangaroo. What's going wrong? Here In the forum its said the 5V pin of the kangaroo should be Connected with the ttl adapter? I only have ground, S1 and S2. Need some help.