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Froggy · 06-04-2009, 11:25 AM

The MC33290 is a communication chip, and it's RX and TX pins are seen from the device side not the cars. (Thus a TX = device is sending to car. RX = device to recieve this from car.)

When I switched Rx and Tx arduino pins, communication stopped.

06-04-2009, 11:25 AM	#410 (permalink)
Froggy EcoModding Lurker Join Date: Apr 2009 Location: Debolt, Alberta Posts: 78 Thanks: 1 Thanked 2 Times in 2 Posts	The MC33290 is a communication chip, and it's RX and TX pins are seen from the device side not the cars. (Thus a TX = device is sending to car. RX = device to recieve this from car.) When I switched Rx and Tx arduino pins, communication stopped.