When I tried to comment the BTSerial, The GSM is working, but when I uncomment it, It's not working. #include <SoftwareSerial.h> #include <LiquidCrystal.h> SoftwareSerial mySerial(7,8); SoftwareSerial BTSerial(10, 11); const int rs = 13, en = 12, d4 = 2, d5 = 3, d6 = 4, d7 = 5; LiquidCrystal lcd(r…

Arduino Uno with HC-05 and GSM sim900 not working

Topic		Replies	Views
Sending SMS using GSM SIM900 General Guidance	3	5143	May 5, 2021
SIM900 and Arduino Uno General Guidance	15	5561	May 5, 2021
GSM - Bluetooth General Guidance	4	1153	May 5, 2021
Baud Rate & Hardware Serial programming steps Programming	19	5984	May 5, 2021
Arduino MEGA and SIM800L communication problem. Networking, Protocols, and Devices	5	5740	May 6, 2021