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This is a block diagram of a dual-load IoT-based energy monitoring and control system using an ESP32 microcontroller, integrating Blynk IoT, CT sensors, voltage transformer, relays, and display.
RX Communication Light: Blinks when the module receives data from the master device (e.g., Arduino, ESP32). Circuit Diagram & Connections Connect the PZEM-004T’s 5V and GND to ESP32’s 5V and GND for ...
Powered by the ESP32-S3 (Ublox NORA-W106-10B) microcontroller, the Nano ESP32 packs serious performance into the Nano form factor, featuring: 8 MB internal PSRAM / 16 MB external flash memory ...