Homekit and MQTT 30A DC 5V DC 7-28V Inching/Self-locking Relay Switch Open Sources Homekit and MQTT firmware, After installation, you can control the device with both Apple Home App and MQTT protocal.

Specification Operating voltage: 5V/7-30V

relay on/off status respectively

Supports to control different voltage ranges

Board consumption: <1W

Standby current: 80mA

Max input current: 30A

Max Wattage: 6600W

Relay lifespan: ≥one million times

100M electrical insulation resistance

Electric shock voltage: 1000V

Relay maximum pull time: 15ms

Relay maximum release time: 5ms

Working mode: inching / self-locking

Wireless Standard: 2.4GHz, 802.11 b/g/n

Application: access control, turn on PC, garage door, etc.

Computer application: Remote control computer boot

Operating temperature: -40 degrees to +70 degrees

Operating Humidity 40%-80% RH

WiFi Settings Power on the device, then use your phone or computer search the WiFi, until find the name: Homekit-xxxxx, then connect. Wait several seconds until web pop up.

You can set user name and password for your device and choose DHCP or Static IP

Attention If you want change default settings of other parameters, Please go set and save others parameters first then set and save WiFi setting.

If you set and save WiFi before setting other parameters, then the device will connect you router directly and the connection will lost. then you need to open your router find the IP address of the devices then use IP address to visit the device

MQTT Settings Set your Username and Password of your MQTT . Then you can control the device not only with Homekit but also by MQTT

Advanced Control Setttings In this page, you can set :

Power On State

Switch Mode (Self-locking/Interlock/Inching etc)

Inching duration

Switch type etc.

Complete Settings After setting features, Save it. The device will automatically connect your router.

Then open your Home App add new device until success. ( The code is : 12345678 )

Or go to you MQTT broker complete the settings.

Restart

To restart the board just press the button on the board

Reset

To reset the board, Please use jump wire connect GND to TX for more than 6s and disconnect it. The board will be reset and you need to reinstall it again.