> module. Use a timer interrupt set at your sampling rate to start the A/D > conversion and then use the A/D interrupt to read the answer after the Thanks Bob. I needed the timer for another purpose. So now I need to use 2 timers. So it seems I will have to settle for 16C72 instead of 16C71. I know about hardware development boards for 16C71. Like the ones by Siriusmicro. Are there any such boards for 16C72? Any pointers to such boards? Thanks, Amey