>-----BEGIN PGP SIGNED MESSAGE----- > >On Fri, 10 Nov 1995, Newfound Electronics wrote: >[...] >> Finally, regarding your other message re "cheap programmer doesn't work" >> How cheap is something that doesn't work or requires hours to fix?? > >Actually, I count those hours as "training". :-) Great! As long as we're all happy and well informed. My point was a "general idea" for the masses. > >I've looked at my "PicBlaster" again, and (with a hint from Rolan) >noticed that my "78L05" is MISSING AN "L"!! That would probably >explain why my circuit is sucking so much power that the programming >voltage never gets above 7 Volts. Sounds right. The 16C84 requires a max of 50mA for Vdd and 20mA for Vpp. I don't know what RS232 is rated at but this seems a lot of current to be drawing from it. Regards Jim ----------------------------------------------------------------- NEWFOUND ELECTRONICS, Makers of low cost, mega featured PIC programming tools. newfound@ne.com.au ------------------------------------------------------------------