> if this comes from elektor, it must be really expensive. isn't it? > must be based on a lot of glue logic on a really big pcb... Glad I am not the only one who looks is disgust at the elektuur PCB designs! And for PICs they have a tendency to use either 16f84 (no -A! but thank gode no 16c84 any more) or an OTP. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu