Hey guys, i am trying to connect a Sim800l and a GPS module to my Arduino. I am initialising the softwareserial in the setup-section but only the one who comes last, in the code, is working. Is there a way to get them both running? The Serialclass for the SIM800l is set in the Sim800l-library, so…

Then you will not be able to use two instances of SoftwareSerial. The library does have a listen() function that allows it to listen on one of several interfaces but you will miss data from the interfaces not in use. Consider using a board with multiple hardware serial interface such as the Mega

Arduino Nano two Softwareserials for Sim800l and GPS

Other Hardware Sensors

conner1201 September 3, 2025, 9:59pm 6

ok thank you i upgrade than. I got some ESP8266, ESP32 and a arduino pro micro laying around . Thank you!

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Arduino Nano two Softwareserials for Sim800l and GPS

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