Answering all three postings in one. Vu Hoang wrote: > Can someone tell me what kind of power supply I would need for the > Tait PIC Programmer? AC or DC? Which design? There are variations. Some designs have a AC to DC converter which can take DC as input as well as AC. Show me the design and I'll be able to tell. > Could someone tell me what kind of Voltage I should get between ground > and after R1`( which is 4.7k) going to pin 17 of the Parallel Port. > I'm getting 9V. Is that right? Maybe. Sounds odd. Is that with or without the parallel port attached? > Can someone tell me what kind of Parallel port does the Tait PIC > Programmer work on? Or does it even matter? Any of them. No, it doesn't really matter. The signals used by the programmer are within the smallest subset of functionality of those three choices. -- James Cameron (cameron@stl.dec.com) OpenVMS, Linux, Firewalls, Software Engineering, CGI, HTTP, X, C, FORTH, COBOL, BASIC, DCL, csh, bash, ksh, sh, Electronics, Microcontrollers, Disability Engineering, Netrek, Bicycles, Pedant, Farming, Home Control, Remote Area Power, Greek Scholar, Tenor Vocalist, Church Sound, Husband. "Specialisation is for insects." -- Robert Heinlein.