The narrative then moves into the "science of sensing," where you learn to master protocols like UART, I2C, and SPI . This section covers connecting cameras, displays, and various sensors to make the hardware "aware" of its environment.
The book Hands-On ESP32 with Arduino IDE is an excellent resource for learning IoT development. While a free PDF is not officially distributed by the publisher (Packt), some open-source communities share chapter-by-chapter summaries, code examples, and Arduino sketches. hands-on esp32 with arduino ide pdf free download
void handleRoot() float h = dht.readHumidity(); float t = dht.readTemperature(); String html = "<!DOCTYPE html><html><head><meta http-equiv='refresh' content='5'></head><body>"; html += "<h1>ESP32 Weather Station</h1>"; html += "<p>Humidity: " + String(h) + " %</p>"; html += "<p>Temperature: " + String(t) + " °C</p>"; html += "</body></html>"; server.send(200, "text/html", html); The narrative then moves into the "science of
void loop() isnan(t)) Serial.println("Sensor read error"); return; While a free PDF is not officially distributed