Dear MicroPythonOS Team,
Thank you for the valuable suggestions in the previous email. Combined with our team's technical evaluation, we hereby confirm the core hardware specifications of the dedicated terminal for MicroPythonOS as follows to facilitate subsequent collaborative advancement:
Confirmation of Core Hardware Specifications:

• Display Screen

  • Model: 3.2-inch ST7789-driven SPI screen
  • Resolution: 320x240 (in line with the frame rate optimization suggestion; SPI connection mode features simpler wiring and adapts to ESP32S3 hardware resources)

• GSM/4G Module

  • Selection: SIM7600 multi-band 4G module
  • Selection Basis:
  • Compatible with ESP32S3 hardware interface (UART communication);
  • Reusable mature basic MicroPython driver library is available;
  • Supports multi-band to meet network adaptation requirements in different regions;
  • Power consumption/size are adapted to the terminal hardware form factor.