NO RESPOSNE TO AT COMMANDS

2026-01-21 15:04:23 Ask

Not able to get any response from the board for AT commands , The Red NET LED is blinking but no response in IDE serial moniter to AT commands , what might be the problem and its solution

ps - the board and sim module is fine

i need the DIP switch positions to connect to the internet .

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SpotPearGuest0fd9f

Answer time:2026-01-21 18:28:11

https://files.waveshare.com/wiki/ESP32-S3-A7670E-4G/code/Hard-serial-esp32-7670.zip

Use this material and configure it as shown in the diagram to see if it can respond to AT commands normally.

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SpotPearGuest0fd9f

Answer time:2026-01-21 18:29:47

If you have any further questions, contact this email: tech-support@spotpear.com

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ESP32-S3 A7670E 4G development board supports LTE Cat-1/2G/GNSS positioning/WiFi/Bluetooth

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