5V ESP8266 Single Channel Wi-Fi Relay Module Internet of Things Smart Home Mobile APP Remote Control Switch

Features 1 On board esp8266 chip 2 The module has two working modesMode 1 the mobile phone is directly mounted on the esp8266 chip Mode 2 the mobile phone and esp8266 chip are carried on the router at the same time 3 Transmission distance 1 In the open environment when the mobile phone is mounted on the esp8266 chip the maximum stable transmission distance is 100m 2 When esp8266 chip and mobile phone are carried on the router at the same time the transmission distance depends on the signal strength of the router 4 The account and password of esp8266 chip can be configured on the mobile app with smart config technology The configured account and password have the power off memory function 5 On board 5V 10A 250V AC 10A 30V DC relay which can pull in 100000 times continuously with diode leakage protection and short response time 6 On board mode selection indicator 7 The program download interface of esp8266 chip is reserved 8 Board size 44 8 x 41 7mm9 Weight 16gNote 1 When the mobile phone is mounted on the WiFi module the maximum stable transmission distance is 100m 2 When WiFi module and mobile phone are carried on the router at the same time the transmission distance depends on the signal strength of the router 3 At present the module only supports Android system Board function description Ln in 5V power input 5V TX Rx GND lO0 program download interface Key S1 short press mode switch long press 2s to clear password key S2