HI ! I am trying to use SIm 800 GSM Module with Arduino UNO. ARDUINO DIGITAL PIN 9 is connected to TX of GSM Module ARDUINO DIGITAL PIN 10 is connected to RX of GSM Module ARDUINO is powered by PC USB GSM MODULE is powered by 12v DC Adapter. I have tried the following code for making outgoing …

Sim 800 GSM Module not responding with Software Serial Library

Topic		Replies	Views
Hilfe! Kommunikationsprobleme mit GSM Board und SoftwareSerial Deutsch	22	3749	May 6, 2021
Arduino's Tx doesn't work as expected but Rx working on GSM module Networking, Protocols, and Devices	13	2548	May 6, 2021
Sending SMS using GSM SIM900 General Guidance	3	5143	May 5, 2021
Software Serial Working Programming	4	604	May 5, 2021
Baud Rate & Hardware Serial programming steps Programming	19	5987	May 5, 2021