relay board 4 channel relay module esp8266 pcb quick response | Shop The World
From USA
NewGOEI
Relay Board, 4 Channel Relay Module ESP8266 PCB Quick Response for Industry DC12V
ℹ
Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•CHIP ESP8266: The relay module uses the ESP8266 chip, which can realize the wireless control of 4 relays in the local area network using the mobile phone application with simple setup process.
•LONG LIFE: The relay module can be continuously activated 100,000 times, has diode spill protection, and has a short response time.
•OFF MEMORY: Use Smartconfig technology to complete ESP8266 chip account and password settings in the mobile app. The configured account and password have a shutdown memory function.
•WIRELESS CONTROL: You can control the switch anytime and anywhere in an open environment. When the mobile phone is mounted on the chip, the maximum stable transmission distance is 100 meters, and the indicator light can be sealed
•2 WORKING MODES: The module has 2 working modes, is that the mobile phone is mounted directly on the ESP8266 chip and the other is that the mobile phone and ESP8266 chip are mounted on the router at the same time.