Re:PID Control in C

Here are a few:

This is the most useful of the bunch:

http://www.mstarlabs.com/apeng/techniques/pidsoftw.html

This one is in C++ but is easily adapted to C:

http://www.ddj.com/cpp/184403292

This on is in BASIC but is also easily adapted:

http://www.jashaw.com/pid/code.htm

Have fun,

ss