I am EE , i do signal processing . Proportional-Integral-Derivative is for college teachers , not real engineers like us who "do" / invent / create / fix
We engineers dont use text to create machines , we use the picture side of our brain . So after trying unsucessfully to figure what the Luddite Proff is saying , we toss it and put our hands on the hardware and learn Electronics ( Me , 70's , ) .
You are just using buzz words , hoping for a job laying out mo buzz words .
You dont work ....
Now on to rpoductive ...
ARM 9 is so low cost , it will be the only mcu . I am now redefinig ASCII as a temp way for computer to talk to us . Ojective is to keep each Ascii char general , use more to make it specific . This allows the mcu to use the chars on the left as a classing/typing method .
Dont use < to mean GT , only , it limits its use for more powerful contexts . Add char's to the Right, to adds classes to that object . Now a user, at keyboard will be able to use these new meanings to quickly put the mcu right . imagine a PC , misspells a name , and you ----- < R N ------------------ < expanded the hi-lited letters displayed on LCD . R moved cursor right one alpha , N generally means no, undo , reverse ,backup , BS , last MRU
PC swaps these chars , for chars from MRU edit strings place ....
This is old stuff , not copyrighted , u can use it ..
I am the fastest systems programmer on Earth ....