Exapod is building a line following robot based on the dsPIC33 and stuff he won from SparkFun‘s giveaways. Watch the little robot race through Monza in a video below.
i’m planning of building a robot with a dspic33fj128mc804 and two encoders for implement some dead reckoning algorithms so for learn something on the dspics i build a line-follower, it uses 6 analog sensors that are read with the auto-scan capability of the chip, the pwm is 12 bit and the control loop runs at almost 30 kHz (it only calculates the line position and the do a very simple PD routine that use fixed point math).
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