Monthly Archives: May 2007

Death of FPGA

Posted on May 27, 2007 by Administrator

I was planing big article about FPGA chips and was testing all circuits when suddenly connected on Altera Flex I/O pin to LCD bias power supply. This was the end of my Altera FLEX. Here is the picture of my … Continue reading →

Posted in Anything | Tagged | Leave a comment

TOP2004 programmer review

Posted on May 13, 2007 by Administrator

I have Willem eprog programmer, but I was sick changing LPT cable each time I need to reprogram some chip. Also, Willem damaged two chips of one manufacturer. I don’t like that small DIP switches too. Also, Willem can’t program … Continue reading →

Posted in Anything | 59 Comments

Few words about CPLD

Posted on May 12, 2007 by Administrator

Just short story about my experiments using CPLD chip and Lattice software. I forced myself to use and learn about programmable logic chips. As I wrote in my older post, I have very small inventory of the chips and was … Continue reading →

Posted in Anything | 1 Comment

Universal power for breadboard

Posted on May 7, 2007 by Administrator

Very often I need regulated PSU when playing with breadboard. And I need negative power supply too. Especially when doing something with operational amplifiers or old LCD modules. Typically I use 78xx or 79xx regulators in my experiments. But last … Continue reading →

Posted in Anything | Leave a comment

ISP cable schematics

Posted on May 7, 2007 by Administrator

I decided to put all ISP/JTAG cable circuit diagrams (schematics) in one page for easy navigation. The schematics are gathered in the internet in various web pages and datasheets. Cables are not designed by me, but I made some of … Continue reading →

Posted in Anything | Tagged | 6 Comments