1. Tổng hợp các loại module 4G/NB-IoT

2. Các câu hỏi thường gặp (FAQ)

Nâng cấp từ SIM800 lên SIM7600/A76XX: https://linhkienthuduc.com/nang-cap-tu-sim800-2g-len-sim7600-a76xx-4g/

Driver 4G cho linux/windows: https://linhkienthuduc.com/huong-dan-cai-dat-driver-module-sim-4g-cho-linux-windows/

Các câu hỏi thường gặp: https://linhkienthuduc.com/faq-giai-dap-cac-thac-mac-ve-4g-esim-nbiot/

3. Các bài viết liên quan

Lập trình esp32 – module sim kết nối MQTT: https://linhkienthuduc.com/huong-dan-su-dung-module-4g-voi-esp32-mqtt/

Giới thiệu về NB-IoT: https://linhkienthuduc.com/tim-hieu-ve-nb-iot-narrowband-iot-va-ung-dung/

4. Tổng hợp tài liệu/software/driver cho các module sim

Document

• Tài liệu AT command/Datasheet: https://github.com/TDLOGY/simcom_document

Driver

• SIMCOM USB Driver (Win7/Win8/Win10/Win11) cho các dòng module A76XX/SIM76XX: https://github.com/TDLOGY/SIMCOM_USB_DRIVER

Tool AT Command

• AT Command Test (Win10/Win11): https://github.com/TDLOGY/SW_ATCommand_Test

Hardware

• TDM2309 hardware: https://github.com/TDLOGY/TDM2309-A7680C-4G-Replace-SIM800L
• TDM SIM7600CE: https://github.com/TDLOGY/HW_TDM-SIM7600CE
• ESP32-SIM7600CE Dev Kit: https://github.com/TDLOGY/HW_TDM-SIM7600CE-ESP32-DEV-KIT
• TDM2307 A7672S GPS: https://github.com/TDLOGY/TDM2307-A7672S-GPS-4G
• A76XX Dongle: https://github.com/TDLOGY/TDM-2301_TDM-2302-X7600CX-USB-Dongle

5. Code mẫu

Arduino

• ESP32 SIMCOM Test (SMS/Call): https://github.com/TDLOGY/esp32_sim7600x_arduino_test
• TinyGSM (SIM76XX/A76XX): https://github.com/vshymanskyy/TinyGSM
• ESP32 PPPOS Arduino (version esp32 in Arduino: 1.0.6): https://github.com/TDLOGY/esp32_pppos_arrduino

ESP32 (esp-idf)

• ESP32 PPPOS LKTD (esp-idf v4.4): https://github.com/TDLOGY/esp32_pppos
• ESP Modem [Hỗ trợ AT Command/PPPOS/CMUX (Data mode + Command mode)]
  • https://github.com/espressif/esp-protocols/tree/master/components/esp_modem
  • https://github.com/espressif/esp-protocols/tree/master/components/esp_modem/examples/simple_cmux_client
  • https://github.com/espressif/esp-protocols/tree/master/components/esp_modem/examples/pppos_client

MCU (STM32/WCH32/TI/NXP/Nuvoton/…)

• GSM Lib (STM32): https://github.com/nimaltd/gsm_v5
• ATC AT Command: https://github.com/nimaltd/atc
• LWCell: https://github.com/MaJerle/lwcell

Một số module sim phổ thông