Hello Byron A Jeff and other, Thank you for replying. I thought it myself to use a different = controller. But the thing is I don't know if my programmer can be used for the = 16F872. My programmer is a "simple" COMport programmer. The attachment contains the circuit of it, maybe you can have a look to = it and see if I still can use it. If not maybe you know a different circuit (I do prefer COMport circuit). Thanks, Ray -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics