SIM800L Pinout TheSIM800Lis a GSM module from Simcom that gives any microcontroller GSM functionality, meaning it can connect to the mobile network to receive calls and send and receive text messages, and also connect to the internet using GPRS, TCP, or IP. Another advantage is that the b...
This is not what you would normally call a smartphone. The FONA module is 2G only, meaning you’re limited to 2G speeds and 2G networks. AT&T will be shutting down 2G networks in a little bit, although T-Mobile will be keeping them up for anyone who still has an old Nokia Brick. ...
Pay close attention to the meaning, it is absolutely not intuitive. You have to tuck the card side contacts against the circuit board, the corner cut skewed towards the aperture (it exceeds a little). If you enter the card upside down you will have a typical errorSIM not insertedusing the...
Arduino-LMIC Update config.h If you haven't already, update with your own TTN keys - ABP authentication TTN Keys These are the keys you will need from the TTN console (marked yellow). Hardware TTGO-T-Beam ESP32 + GPS + LoRa A6 GSM/GPRS module (work in progress, not yet implemented...
Arduino Sketch: /* * Arduino Home Security GSM Alarm * An Arduino + SIM900A Project * T.K.Hareendran * Tested at TechNode PROTOLABZ * 21 August 2014 * http:// www.electroschematics.com *///Connect the Tx pin of the GSM modem to D3//Connect the Rx pin of the GSM modem to D...