RFID

Radio frequency identification is great for making ubiquitous computing systems and projects as they can be used just about anywhere from clothing tags, Oyster cards and key fobs to libraries and agriculture. These great value RFID packs come in all different shapes and sizes so you'll always find the right one for your project, all of them are easy to code and use for beginners and advanced users alike! There are two types of RFID tag read only  and read/write tags.