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.

The ESP32 is an affordable yet powerful microcontroller to power any DIY electronics project. The Ultimate ESP32 Course Bundle helps you master the board, with four video courses and a bonus e-book.

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 ...