The reader initializes the communication. The RF industry is activated, and a number of other minimal amount instructions are exchanged to detect a compatible card. 1x GND 3V3 (P2 with 2 pins two.54mm) connector can be utilized to energy externally the WCH CH569 MCU (it is usually recommended to get https://hydrabus95062.blogmazing.com/32352051/the-hydrabus-diaries