The single-channel 30A relay development board is built around the ESP32-WROOM-32E module. It features fully accessible I/O ports and supports DC7-60V/5V power input. This board includes programmable buttons, LEDs, and relays for quick prototyping and IoT control applications. It comes with ESP-IDF code��once programmed, you can remotely control the onboard LED and relay via mobile, with WiFi configuration and reset functions (contact support for details). Compatible with Arduino IDE, VSCode, and Tonny for development. **Details:** - Name: Relay module - Use: Smart home wireless control - Color: Blue (may vary slightly due to lighting/display differences) - Material: PCB - Design may vary by batch, but functionality remains unchanged. **Package includes:** 1 x Relay module 3 x 6P double-row pins (Note: Measurements may have a +/- 1-3cm tolerance.)