硬件
ESP32-S2-MINI-1 https://www.studiopieters.nl/esp32-s2-pinout/
IO15: DS18B20
IO17: ESP32 U1TXD PZEM-004T Rx
IO18: ESP32 U1RXD PZEM-004T Tx
ESP32-S2-MINI-1 https://www.studiopieters.nl/esp32-s2-pinout/
IO15: DS18B20
IO17: ESP32 U1TXD PZEM-004T Rx
IO18: ESP32 U1RXD PZEM-004T Tx