>In the past I saw an interesting project named Engineer' >assistant Microchip AN689, but disappear from the site. [...] >The project, made by a serbian engineer Mr Voja Antonic, was banned, it is >said, by Microchip owing to sanctions against Yugoslavia. I don't know about your story, but the application note is (back?) on Microchip's Web site. Interesting gadget. I have some displays with a 16F877 on the back and I was planning to make some test instruments with them. Barry -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist