BTB dat

ESP32 Pin Function Lora
IO14 SPI_SCK  
IO12 SPI_MISO  
IO13 SPI_MOSI  
IO15 SPI_CS  
IO4 IO LORA_IRQ
IO27 IO LORA_RESET

connectors

  • total height = 3.0
  • 12P, 0.8mm pitch

base board

attach board ref

lora

SIM7020

  • use UART as main interface

SIM7080

ref