Coding & Logic₹49 Vault
ESP8266 NodeMCU IoT Starter: Cloud Telemetry & Low-Power Smart Relays
Learn budget Wi-Fi electronics with the ESP8266 NodeMCU. Connect DHT11 temperature sensors, optocoupler relays, and stream real-time MQTT telemetry dashboards.
ESP8266 NodeMCU 12E (80MHz Wi-Fi)1 Code • 1 CAD
Full MQTT JSON serialization and smartphone dashboard configuration files.
5 min read
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