THE 2-MINUTE RULE FOR HYDRABUS

The reader initializes the communication. The RF discipline is activated, and several other minimal amount commands are exchanged to detect a suitable card.1x GND 3V3 (P2 with 2 pins two.54mm) connector can be utilized to ability externally the WCH CH569 MCU (it is recommended to eliminate the P4/SHUNT in that case It's not required as the 3V3 LDO