Arduino GSM Shield SMS Notification System

I need an Arduino program that uses a GSM shield to send and receive SMS notifications. This program should be able to send a default message when a digital trigger signal is absent for more than 30 minutes... (Budget: ₹600 - ₹1500 INR, Jobs: Arduino, C Programming, Electronics, Microcontroller, Software Architecture)

Mar 16, 2025 - 16:18
 0
Arduino GSM Shield SMS Notification System
I need an Arduino program that uses a GSM shield to send and receive SMS notifications. This program should be able to send a default message when a digital trigger signal is absent for more than 30 minutes... (Budget: ₹600 - ₹1500 INR, Jobs: Arduino, C Programming, Electronics, Microcontroller, Software Architecture)