Ramps 1.6 is optimized and launched based on Ramps 1.4 & Ramps 1.5 The Struture almost same as Ramps 1.5 , the difference is Ramps 1.6 have new 2pin connectors,which more simple and convenient to connect,also will not be burnt easily,what’s more ,Ramps 1.6 have a good Heatsink above MOS […]
The RC522 is a 13.56MHz RFID module that is based on the MFRC522 controller from NXP semiconductors. The module can supports I2C, SPI and UART and normally is shipped with a RFID card and key fob. It is commonly used in attendance systems and other person/object identification applications.