Softwareserial.h Arduino Library Download Here

#include <SoftwareSerial.h> SoftwareSerial gps(4, 3); // RX, TX for GPS SoftwareSerial ble(6, 5); // RX, TX for Bluetooth

All digital pins support software serial, but using pins from different port groups can improve performance. softwareserial.h arduino library download

#include <SoftwareSerial.h> SoftwareSerial mySerial(10, 11); // RX, TX #include &lt;SoftwareSerial

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