โมดูลสวิตซ์ 5 โวลต์ esp 8266 esp - 01 4 ช่อง wifi สําหรับโทรศัพท์มือถือ 5V ESP8266 ESP-01 4 Channel Wifi Relay Module

5V ESP8266 ESP-01 4 Channel Wifi Relay Module Remote Control Switch For Smart Home IOT Transmission Phone APP Controller

1.Description:

ESP8266 WIFI 4-Channel Relay Module is 4 channel WIFI relay module carried a ESP8266 WIFI module and mature 8 bit MCU, with Professional switching power supply circuit.It could control the relay by Android phone APP within the local area network (LAN).It is easy to set .

2.Features:

1>.Integrated design.

2>.APP remote control.

3>.DC 5V work power supply.

4>.On board high quality MCU and ESP8266 WIFI module.

5>.Support Two Work Mode:

Mode 1:cellphone carry on WIFI module directly.

Mode 2: cellphone and WIFI module carry on router together.

Additional features:USB Relay Module(without ESP8266).

6>.Transmission distance:

In the open environment,when mobile phone is carrying on the WIFI module ,maximum transmission distance is 100 meter.

When the WIFI module and cell phone carrying on the router at the same time the signal transmission distan...