Project Log

A project log for ESP8266 Publish Data to ThingSpeak without Wi-Fi

This project shows how to connect the ESP-12S A9G GPRS GPS Node to the Internet using a SIM card data plan and publish data by MQTT.

IOTMCUIOTMCU 09/09/2019 at 09:120 Comments

1. MQTT AT command of A9/A9G

2. Hardware Prepare

3. Software Prepare