Converting Perpetual Motion machine code from 8051 to Arm

We have a perpetual motion machine which is very noisy, so we are looking at implementing a controller to shut it off at night. Anyone have any tips on porting the code? Perhaps someone has already...
Converting Perpetual Motion machine code from 8051 to Arm

We have a perpetual motion machine which is very noisy, so we are looking at implementing a controller to shut it off at night. Anyone have any tips on porting the code? Perhaps someone has already...
motion sensors

i want to do room security system,in that i want detect the person or anything entered in the room not only from door from any side of the room,so plz suggest me which sensors i have to use for this...
motion sensors

i want to do room security system,in that i want detect the person or anything entered in the room not only from door from any side of the room,so plz suggest me which sensors i have to use for this...
control modem using micro controller

hii, I am using simcom300 modem and atmels 8051 micro controller for my project. can you tell me how to interface both using rs232 and program to control modem using at commands.