That's not an array of diode protection on the ICEPIC pod- it's an array of Ferrite beads for noise filtering. I assure you, it is quite easy to destroy I/O on the ICEPIC if you do something really stupid. It's possible that the Junior uses a filtered header instead of the beads but since I don't have one, I don't know. Brian -----Original Message----- From: Ranna M. V. To: PICLIST@MITVMA.MIT.EDU Date: Monday, March 16, 1998 10:06 AM Subject: ICEPIC Junior 16x. >I recently bought a ICEPIC Junior 16x. What kind of protection is >available on prod lines againt short circuit or wrong input? I do not >see array protection diodes that are there in ICEPIC emulator. what kind >of care I must take to insure that I don't blowup I/O lines.