You don't have to "wire" anything anywhere, leave the port open and just connect your mAmp meter between the pin and ground. Jan-Erik. Rick Regan wrote: >> Does anyone >> know the value of the on board pull ups? I have >> looked through the data >> book, but can not find a value for them. > > What if you wired the pulled-up input pin to ground > and measured the current through the wire - couldn't > you then calculate the pull-up value using Ohms Law? -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body