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Close to the spectral characteristics of visual
WiFi Module Based On ESP8266
when reading through analog input
It weighs less than 2 grams
13.56MHz RFID IC Key Tags Keyfobs digital to analog Close to the spectral characteristicsThis is 13. 56MHz RFID IC Key Tag. The RFID technology is used for sensing and identifying tagged people and objects for access control, automation, and a whole range of different applications. Operating on a frequency of 13. 56MHz, these tokens are all pre programmed with unique ID numbers to communicate wirelessly with RFID Readers over distances of around 1 Meter or less. This means you can attach it to vehicles or items, keyrings or even pets
