The following line instantiates a new Twilio instance with the account details: twilio = new Twilio(account_sid, auth_token)
#Send sms freely serial
In the setup(), initialize the Serial Monitor and connect the ESP32 to your local network so that it can get access to the internet and make the HTTP requests to send SMS. If you’re using a free trial account, the recipient number must be on the list of the Verified caller IDs.Ĭreate a Twilio pointer variable called twilio. Static const char *to_number = "INSERT_RECIPIENT_NUMBER" Insert the recipient number and the message. Static const char *from_number = "REPLACE_WITH_TWILIO_PHONE_NUMBER" static const char *account_sid = "REPLACE_WITH_YOUR_ACCOUNT_SSID" Insert your Twilio account details: the account SID and token, and the Twilio phone number. Insert your network credentials on the following lines: static const char *ssid = "REPLACE_WITH_YOUR_SSID" Start by including the twilio-esp32-client library. Serial.println("Sent message successfully!") Twilio = new Twilio(account_sid, auth_token) īool success = twilio->send_message(to_number, from_number, message, response) Serial.print("Connecting to WiFi network ") Static const char *message = "Hello from my ESP32 (via twilio)" Static const char *to_number = "REPLACE_WITH_RECIPIENT_NUMBER" Static const char *from_number = "REPLACE_WITH_TWILIO_NUMBER" Static const char *auth_token = "REPLACE_WITH_YOUR_ACCOUNT_AUTH_TOKEN" Static const char *account_sid = "REPLACE_WITH_YOUR_ACCOUNT_SID" Values from Twilio (find them on the dashboard) Static const char *password = "REPLACE_WITH_YOUR_PASSWORD" Static const char *ssid = "REPLACE_WITH_YOUR_SSID"
Set these - but DON'T push them to GitHub! The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
#Send sms freely software
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files. The following code is an example from the library’s examples folder. First, you need to create a Twilio instance, and then you just need to call the send_message() method and pass as arguments your Twilio account details, sender and recipient numbers, and the message body. Sending code using Twilio using the twilio-esp32-client library is very straightforward.
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