@stanely You are my hero - thanks for figuring this out!

Core2 not tested and used MicroPython(UIFlow-v1.3.1-Beta) https://blog.csdn.net/zhufu86/article/details/90738571 M5Stack (ESP32) study notes (3)-microSD https://blog.csdn.net/zhufu86/article/details/91352563 M5Stack study notes (6)-use temperature, humidity and pressure sensor to make a temperature recorder

No direct method exists to connect without a cable. I don't think it has ever been considered.