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, 9:48pm 3

its a non-original, arduino nano with an ATmega328P similar to this one: Arduino Nano Amazon

Topic		Replies	Views
GPS/SMS tracker - SoftwareSerial conflict? Please help :( Programming	17	3226	May 5, 2021
I need a help ! two serial Programming	5	991	May 5, 2021
Sim800L evb void setup problem Programming	6	1440	May 5, 2021
Software Serial Problem on Arduino Uno Networking, Protocols, and Devices	6	1811	May 6, 2021
2 Rx & 2 Tx on arduino nano Programming	7	10153	May 5, 2021

Arduino Nano two Softwareserials for Sim800l and GPS

Related topics