LEGO mindstroms and FPGA

A few days ago I bought a LEGO mindstorms set (getting infantil in my old days...). After building the first robot, I want to substitue the RCX by an FPGA. Has anyone done this so far?

Martin

---------------------------------------------- JOP - a Java Processor core for FPGAs:

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Martin Schoeberl
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Blueeyedpop

I have added a section about the LEGO motor driver on the website

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You can find mesurements of the PWM output from the original LEGO RCX, a simple schemantic with an L283D driver and sigma-delta ADCs for back-EMF measurements.

Martin

---------------------------------------------- JOP - a Java Processor core for FPGAs:

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Reply to
Martin Schoeberl

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