We need a voltage divider circuit to protect the SIM800L from damage. If you are new to the SIM800L GSM module, check out our Arduino SIM800L tutorial to understand the basics of this module and how ...

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 Unfortunately, this project is no longer maintained as I no longer have a functionning SIM800L module.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 ...

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 ...

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 ...

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 ...