How to Create a QR Code that Sends a Text Message
Step 1: Create 2D Code
https://www.the-qrcode-generator.com/
Step 2: Choose SMS
產生自動帶出送簡訊的二維碼
Step 3: Use your phone to capture the 2D code
Result
Reference
https://simpletexting.com/how-to-create-a-qr-code-that-sends-a-text-message/