ESP32 is a tiny cheap 8$ module with a dual core 32-bit CPU and built in Wi-Fi and dual-mode Bluetooth with sufficient amount of 30 I/O pins for all basic electronics projects. All these features are ...

Module assembly Schematics The first thing to start with is the SIM800L power supply. According to the specification, the module is powered by a battery, requires a voltage of 3.4-4.4 volts and can ...

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Ever wanted to receive real-time SMS alerts for your Raspberry Pi projects without dealing with bulky GSM modules or… ...