014 - ESP32 MicroPython: SIM800L GSM Module in MicroPython
In this tutorial, we will tackle on how to interface SIM800L GSM module to ESP32 in MicroPython. CIRCUIT DIAGRAM INSTRUCTION Connect SIM800L Rx pin to ESP32 GPIO 16 (Tx2). Connect SIM800L Tx pin to ESP32 GPIO 17 (Rx2). Connect the SIM800L VCC pin to external positive terminal. In this tutorial, I use external power supply […]
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