About this document
SIM900/SIM800L GSM Modem Testing Guide by Anonymous DjWqKpZ1 is a document available to read on EtoBox.
This document provides code and instructions for testing a SIM800L GSM modem module connected to a PIC18F4550 microcontroller. It includes commands to check the signal quality and network registration status of the modem. Code is provided to configure the serial port for communication with the modem and send/receive SMS messages in text mode. The code samples show how to initialize the serial port, send AT commands to check the modem manufacturer and perform other checks, and display status messages on a se
- Author
- Anonymous DjWqKpZ1
- Language
- EN