5V ESP8266 Dual WiFi Relay Module Internet Of Things Smart Home Mobile APP Remote Switch

Overview: LC 5V ESP8266 2-channel WIFI relay module equip with to ESP-01 WIFI module and 8 bit high performance MCU, Only need simple configurations and then you can control the relay with cellphone APP under LAN area. Instruction: Click here to open More details: Click here to open Characteristics: 1, On-board N76E003/STM8S003 and ESP-01 WIFI module 2, Having two modes: (1) Mode 1: Cell phones carry on the wifi module directly (2) Mode 2: Cell phone and wifi module carry on the same router Additional function: As an USB relay module when unplug the ESP-01 3, Transmission distance: (1) In the open environment, the maximum transmission distance is 100m when the cell phone carry on the wifi module directly ; (2) when the wifi module and cell phone carrying on the same router, the transmission distance depend on the router's signal intensity; 4, Use Smartconfig technology of ESP8266 to configurate the password for the ESP-01 module with APP 5, On-board 5V, 10 A / 250 v AC 10 A / 30 v DC relay, absorb 100000 times continuously, Module with diode effusion protection, short response time 6, On-board model selection and working position indicator LED 7, On-board preserved UART debug interface and MCU program interface 8, Size: 59*40mm Interface and sources: IN+ IN-: 5V power input TX, RX: UART communication SWIM, NRST: MCU program interface S1: Mode selection key, default is mode 1 S2: Restore key LED D2 and D4(red): Relay indicator LED D7(red): Mode 1 indicator LED D5(blue): Mode 2