The hydrabus Diaries
The reader initializes the interaction. The RF area is activated, and a number of other low degree instructions are exchanged to detect a suitable card.1x GND 3V3 (P2 with two pins 2.54mm) connector may be used to ability externally the WCH CH569 MCU (it is suggested to eliminate the P4/SHUNT in that case It's not at all required because the 3V3 LD