3pcs 5V ESP8266 Dual WiFi Relay Module Internet Of Things Smart Home Mobile APP Remote Switch - OEM

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 openMore details: Click
here to openCharacteristics:; 1, On-board N76E003/STM8S003 and ESP-01 WIFI module2, 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 routerAdditional function: As an USB relay module when unplug the ESP-013,
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 theESP-01 module with APP5, 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 time6, On-board model selection and working position indicator LED7, On-board preserved UART debug interface and MCU program interface8, Size: 59*40mmInterface
and sources:; IN+, IN-: 5V power inputTX,;
RX:; UART communicationSWIM,;
NRST: MCU
program interfaceS1: Mode selection key, default
is mode 1S2: Restore keyLED D2 and
D4 (red): Relay indicatorLED
D7 (red): Mode 1 indicatorLED
D5 (blue):; Mode 2 indicatorLED
D6 (green): Working state indicator, the description of
D6 as below: (1) It’ s means internal self-configuration or lost connection with the router when D6 off (2) It’ s means the ESP-01 are waiting for the APP configurate the password for it when D6 fast blink every 0.5S (3) It’ s means the whole configuration is done and waiting for establishing TCP connection with APP when D6 slow blink every 2S (4) It’ s means the TCP connection between ESP-01 and APP is OK when D6 on all the time.
Relay control command (must be hex format): Open
the first relay: A0 01 01 A2Close the first
Relay:; A0 01 00
A1Open the second relay:; A0 02 01 A3Close the second
Relay: A0 02 00
A2Package included: 3 x; 5V ESP8266 Dual WiFi Relay Module