The dual-channel 30A relay development board is built on the ESP32-WROOM-32E module. It features fully accessible I/O ports and supports DC7-28V/5V power input. Programmable buttons, LEDs, and relays are onboard for quick prototyping and IoT control applications.<br> Includes SDK/ESP-IDF code for remote control via mobile, WiFi setup, and factory reset (contact support). Compatible with Arduino IDE, VSCode, and Tonny.<br> **Name:** Relay module<br> **Use:** Smart home wireless control<br> **Color:** Blue<br> **Material:** PCB<br> **Note:** Design may vary slightly by batch.<br> **Package includes:**<br> 1 �� Relay module<br> 2 �� 6P double-row pins<br> 1 �� 6P single-row pin<br> *Colors and sizes may vary slightly due to lighting and display differences. Measurement tolerance: ��1-3cm.*<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store