when you are connecting multiple IMU, remember to use TTL

michaelcheng1991 / Golf-Training-Aid-

Using sensors to create a golfer-friendly teaching device

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when you are connecting multiple IMU, remember to use TTL #8

Open michaelcheng1991 opened 9 years ago

michaelcheng1991 commented 9 years ago

http://forum.arduino.cc/index.php?topic=50101.0

The Arduino serial ports are 5v TTL. RS-232 is -12v. You need a level shifter. Sparkfun has one I have used with great success. http://www.sparkfun.com/products/8780 scroll down below it to related products for one with a connector and/or a kit.