Arduino driver for GSM/GPRS module SIMCom SIM800L to make HTTP/S connections with GET and POST methods This is a comprehensive Arduino library to make HTTP or HTTPS communication through the SIMCom ...

Thank you for your interest in this project. Unfortunately, this project is no longer maintained as I no longer have a functionning SIM800L module. Additionally, the SIM800L doesn't support current ...

Add diode D1 and buffer capacitor C1 to Vcc line of SIM800L module. Connecting pin D9 of Arduino to ground will trigger an alert in the cellphone. That is, if a low signal is received through a sensor ...

The Fingerprint Door Lock (FPDL) using Arduino with SIM800L research is designed to improve the security and convenience of door access control by integrating fingerprint recognition with Arduino and ...