Product selling point: 1: Wide range of applications 2: Simple to use 3: Smart home wireless control and other occasions 4: Long service life 5: Exquisite appearance Product description: The ESP8266 eight-channel 30A relay development board is equipped with the ESP-12FWiFi module, the I/O ports are all led out, and the DC7-28V/5V power supply mode is supported. Provide Arduino development environment reference code, suitable for ESP8266 secondary development and learning, smart home wireless control and other occasions.Features: 1, Onboard mature and stable ESP-12F WiFi module, large capacity 4M Byte Flash 2. The I/O port and UART program download port of the WiFi module are all led out, which is convenient for secondary development; 3, the power supply mode supports DC7-28V/5V; 4, Onboard WiFi module RST reset button and a programmable button; 5, ESP-12F supports the use of development tools such as Eclipse/Arduino IDE, and provides reference programs in the Arduino development environment; 6, Onboard 8-way 5V/30A relay, output switch signal, suitable for controlling the load whose working voltage is within AC250V/DC30V; 7, Onboard power indicator, relay indicator and 1 module comes with LED; 8, Onboard two shift registers 74HC595 control relay switch. Package Included: 1* DC7-28/5v power supply ESP8266WIFI eight-way 30A relay module 1* Single row needle 22p 1* shorting cap
