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So you decided to ditch the servos, eh?
Not quite sure what you mean. The circuit diagram you attached showed 2 connections per motor - where does the '3 connections' come from?
Here is a new schematic I found http://www.freewebs.com/isuru-c/motor_driver.htm but I'm not sure what pins go to the microcontroller.
QuoteHere is a new schematic I found http://www.freewebs.com/isuru-c/motor_driver.htm but I'm not sure what pins go to the microcontroller.The diagram should show that pins 1 and 9 are input 'enable' pins. These give you the third input from your microcontroller and can be pulsed (PWM) to change the speed
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