Here, I’m using the SIM800L and Arduino Nano V3 to develop a nifty one-channel SMS relay. The device is, in fact, an “isolated electric switch” that can be controlled through the messaging app on your ...

The complete sim800L Arduino circuit is given below, if you're using the SIM800L with a microcontroller like an Arduino, you'll need to be mindful of voltage compatibility. The module operates at 3.3V ...

An Arduino Library for GSM SIM800L, compatible with Arduino UNO, MEGA, DUO, ESP8266, ESP32 - ankitghevariya/SIM800L. Skip to content. Navigation Menu Toggle navigation. ... Power supply input, Use ...

Sim800L Arduino Library revised. The SIM800L Arduino Library is a simple and easy-to-use library for the SIM800L module, allowing for quick and efficient communication with the module using the ...

Naturally, you’re going to need a valid SIM card to fully use the SIM800L module. For compactness, my setup was tested with a 1S (3.7-V) Li-ion battery (with 2,700-mAh capacity) removed from my ...

Fig. 1: Arduino Nano board and SIM800L modem Circuit and working. The circuit diagram of the GSM security switch is shown in Fig. 2. It is built around Arduino Nano board (Board1), SIM800L GSM modem ...

Arduino IoT Fire Detection - Circuit Diagram. As shown in the circuit diagram, the Flame sensor is connected to the Digital Input pin of Arduino Nano. You can also check out other simple fire alarm ...