SMS Alert System with Seeed Studio XIAO ESP32 & HC-SR04 Sensor

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Build a WiFi-based SMS alert system using Seeed Studio XIAO ESP32 and HC-SR04 sensor. Send real-time notifications via free API—no GSM module needed. Complete tutorial with code.

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Created by Jayant 4 weeks 5 days ago – Made popular 4 weeks 5 days ago
Category: Microcontrollers   Tags:

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