A4WD1 with wireless PS2 controller

Hey all,

  I recently put together my autonomous rover and it works very well, I am really looking forward to adding other sensors to this and attempting to learn the programming side of it.

I also got another deck for my A4WD1 the wireless PS2 controller and the pan/ tilt kit for a pinhole wireless 2.4ghz camera. I have assembled all of this following instructions carefully. I disconnected my sharp sensors and changed the bot board II switches. I added the deck the pan/tilt kit, the wireless reciever for the PS2 controller. Powered up the rover to reprogram the atom pro 28 with the PS2.bas file and everything goes well, 0 errors I can control the pan/tilt and also when attempting to go forward/ backward left or right that all seems to work. The only issue is all 4 tires continously go real slow in reverse upon powering on, I have tried to reset the bot board II as well? I have tried to autocalibrate on the switch of the sabertooth also I read somewhere but that disables the ps2 controller.

I have tried to disconnect everything, looked over everything and reconnected and looked for possible causes but I am stumped. The tires will not stop rolling. Any ideas I could try would be really appreciated, thanks

*UPDATE- I redid all the switches and the test .bas files. Connected the PS2 wireless adapter and pan/tilt and loaded the PS2.bas and now all works fine. Very strange but glad its working.

The Sabertooth may not stop the wheels with 1500uS pulses. I just found this out recently. The Sabertooth could be like 2% off.

John at DE said “However, in fixed throttle R/C mode, “stopped” can theoretically be anywhere between 1470 and 1530. Most of the controllers are somewhat closer than this.”

So if you use autocal then make sure the microcontroller gets turned on before the Sabertooth, and it sends the stopped values without interruption. If you turn autocal off then you may need to adjust the stopped value up or down a little.