The SIM800L module needs special attention because it operates at 3.3V logic levels while Arduino uses 5V. We need a voltage divider circuit to protect the SIM800L from damage. If you are new to the ...

Because the SIM800L module is very flexible, a great GSM project design can be relatively simple. But there are a number of reasons for ... * An Arduino Uno + SIM800L GSM Module Project * ...

Posted in Cellphone Hacks, Crowd Funding Tagged Arduino GSM, cell phone, cellular, GSM module, kickstarter, seeed studios Billy Club Texts Your Mother If You Hit Someone July 15, 2015 by James ...

The code sends and receives sms when gsm module is connected to arduino - Releases · vishwasgosain/Arduino_GSM_Module_basicworking ...

arduino gsm security alarm. Working of the system is very simple and self-explanatory. ... (or by another electronic module). After the “call” key (S2) operation, the call can be aborted by depressing ...

In this GSM based home automation project we are building a home automation system, where one can control the home appliances, using the simple GSM based cell phone, just by sending SMS through his ...

Therefore, this study aims to develop a Smart Flood Sensor System (SFSS) using Arduino and GSM modules to detect and monitor whenever a flood comes and make people aware of the risk of flooding. This ...