/challenges-projects/design-challenges/enchanted-objects/b/blog/posts/heat-up-the-soldering-ironToday I've soldered the first prototype of the key fob: Please forgive the very raw prototype. As 1-wire device I've used the DS2401 which provides the ID only (as opposed to my earlier test where I used an EEPROM), because it is the cheapest ...en-USTelligent Community 12