azog | May 27, 2008
So I finally got a power plug for the HP counter I won from an e-bay auction. I didn’t want to make a cable or have to do anything other than plug the danged thing in, so I found this guy, who has all sorts of goodies. This is a bad image, but here it [...]
azog | May 27, 2008
I’m in the middle of a big project, so I wanted to take a break with something easy: This is a USB 7 segment display. I previous made a a different type of USB display, and while it works, the author of that project appears to have given up on it, as the software driver [...]
azog | May 23, 2008
I bid (and won) on a set of four of HP AC-4 counters. Didn’t really expect to win; I bid with four days remaining in the auction, and there was already one bidder. Things happen. Maybe it would have been better to not win, since apparently these aren’t a totally complete unit: This is the [...]
azog | May 21, 2008
Not very exciting, only for me. I picked up an HP 5245L off e-bay earlier, and it finally arrived: From what I can gather, the module bay on the right is for an external time base. The basic model can count up to 50MHz, but with an external time-base, it can go up to 100MHz [...]