>I've built one of the very simple com port driven pic programmers (16C84, >F84), and it has worked very well. The trouble is that the software only >works in dos/win3 or win 95. Are there any software for any (free) >programmer that works in NT? Lpt or com port doesn't matter. Not free, but works well - I use it myself. http://www.carmacon.com They have an upgrade for the Parallax programmer that works under NT. Andy ================================================================== Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865 Hardware & Software for Industry & R/C Hobbies "Go fast, turn right, and keep the wet side down!" ==================================================================