It sends that SMS through its mobile network. This makes the Arduino send SMS, even though it doesn't use any GSM modules at all. Here, to send SMS alerts, I am using the Circuit Digest Cloud SMS APIs ...

🎯🚀 📂 This repository is a treasure trove of exciting projects built using various microcontrollers & embedded systems, including: 🔹 Arduino 🤖 🔹 ESP8266 & ESP32 📶 🔹 Raspberry Pi 🍓💻 🔹 ...and ...

Learn how to send SMS alerts from NodeMCU using Wi-Fi and Circuit Digest’s free SMS API, without a GSM module. A simple and cost-effective solution for real-time IoT notifications. Free SMS API for ...

💧 Monitoring water tanker level using NodeMCU ESP8266 and HC-SR04P Ultrasonic Sensor and broadcasting it using a simple HTTP server inside NodeMCU ESP8266 and show data in an Android App Using ...