ESP8266/32-channel 10A relay development board is equipped with ESP-12F WiFi module, all I/O ports are led out, and supports DC5V power supply mode.Provide For Arduino development environment reference code, suitable for ESP8266 secondary development and learning, smart home wireless control and other occasions.Onboard power indicator, relay indicator and 1 module comes with LED.Onboard WiFi module RST reset button and a programmable button.Onboard four shift registers 74HC595 control relay switches.1. Onboard mature and stable ESP-12FWiFi module, large capacity 4M Byte Flash2. The I/O port and UART program download port of the WiFi module are all led out, which is convenient for secondary development3. ESP-12F supports the use of Eclipse/for Arduino IDE and other development tools to provide reference programs in the for Arduino development environment4. On-board 32-way 5V/10A relays and output switch signals, suitable for controlling loads whose working voltage is within AC250V/DC30VType: Relay ModuleModel Number: ESP8266Supply Voltage: DC5VPower Source: DCUsage: General Purposecolor:BlueMaterial:PCBsize:165 x 90mmPackage Contents:1 x Development Board1 x Single Row Needle1 x shorting CapOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.