SUBALIGU ESP8266 ESP-01S 5V WiFi Relay Module Things Remote Control Switch for Phone APP ESP01S Wireless WiFi Module…

Specifications:
ESP-01S
Serial/UART baud rate: 115200 bps
Input power: 3.3V
I/O voltage tolerance: 3.6V Max
Flash Memory Size: 1MB
Support 3 modes: AP, STA, AP + STA
WiFi security modes: WPA, WPA2
Size: 24.8 x 14.3 x 2.54 mm

ESP-01/01S Relay
Working voltage: DC5V-9V
Working current: ≥250mA
Transmission distance: the maximum distance of 400m (open environment)
Load: 10A/250VAC 10A/30VDC, the relay pulls 100,000 times
Product size: 37 * 25mm

How to use?
1.Download the firmware to ESP-01/01S via USB-Serial adapter. The link to download the files: https://github.com/IOT-MCU/ESP-01S-Relay-v4.0
2. Plug the ESP-01S module to the 2*4 pin header after download the code to ESP-01/01S.
3. Connect a DC 5V-9V power to the GND and VCC.
4. Install Controller.apk on your Android phone.
5. Connect the mobile phone network to the hotspot sent by ESP-01/01S: ESP8266_XXX, password is: 12345678
6. Set the IP Address, the default IP is: 192.168.1.1
7. Click GPIO 0 ON OFF to control.

Package Includes:
1 x ESP-01S Module
1 x ESP01/01s Relay

Make sure this fits by entering your model number.
ESP-01s is the latest version with 1MB Flash Memory, upgraded from 512KB. It’s an improved version of ESP-01, optimized circuit and wiring to improve WIFI radio performance.
ESP-01s run LWIP Protocol internally, which support three modes: AP, STA, AP + STA coexistence mode.
This ESP-01/01S Relay based on ESP-01/01S WIFI module. It is designed for smart home, internet and other DIY projects. With this smart relay, it is easy to DIY your smart switch to control any device by your phone anywhere.
Transmission distance: the maximum transmission distance of 400m (open environment, mobile phone equipped with WIFI module)
The intelligent relay module based on ESP-01S WIFI module design, can be used for DIY their own smart switch, you can remotely control through the mobile phone APP