The Elektor Forum will close. See also this link. From Friday March 1st it is no longer possible to log in to the forum. However, the content of the forum will remain visible until the end of March. As of April 1st the forum will definitely go off the air.
Hi, i need help because i´m making the RFID Detector for 13.56Khz and i don't find the SFE5.5 IF ceramic filter, does any one known where to buy this component?? Thank you.