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• 08:28, 15 August 2026 CogWikiEditor talk contribs created page IDPL - 7: LED Control Using ESP8266 and Blynk App (Created page with "== IDPL - 7: LED Control Using ESP8266 and Blynk App == === Objective === To control an LED connected to an '''ESP8266 NodeMCU''' using the '''Blynk IoT app''' through a Wi-Fi network. === Required Components === * NodeMCU ESP8266 * LED * 220 Ω resistor * Breadboard * Jumper wires * USB cable * Smartphone with Blynk IoT app === Circuit Diagram === <!-- IMAGE PLACEHOLDER: Suggested image: Circuit diagram showing NodeMCU ESP8266 D1 (GPIO5) connected to a 220 Ω resis...")