Ahmadlogs/arduino-ide-examples/blob/main/sim800l-ir-sms-call/sim800l-ir-sms-call.info

@bargain, your topic has been moved to a more suitable location on the forum. Installation and Troubleshooting is not for problems with (nor for advise on) your project :wink: See About the IDE 1.x category.

Bad wiring? Incorrect wiring? Maybe start with a simple example for the SIM800?