9/1/2023 0 Comments Esp8266 with gsm module![]() In this tutorial we will connect it to an A6 module from AiThinker and, as our ESP8266, we will use a Wemos D1 mini. Some shields, for example the ones with a SIM900, do contain a logic-level converter that do the conversion from 3.3V. In hardware terms, it is matter of connecting one of ESP866 UART to the UART of GSM module (while making sure the GSM module you are using is also 3.3V logic-level as the ESP if it's different, like 5V or 2.8V, you NEED a logic-level converter circuit). ![]() We can use this microcontroller for sending AT commands to a GSM module. It's a fully integrated chip with, among other cool things, wireless and UART interfaces. ) to ESP8266 through serial/UARTĮSP8266 is a world phenomenon microcontroller for bringing WiFi connectivity for things (IoT). ![]() ESP8266: hardware interface to GSM modules Connecting any GSM module (SIM900, A6/A7, u-blox. ![]()
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