A smart sign timer that can be used anywhere in the world! If location information is accepted, sunrise and sunset times are automatically calculated.

How to use
1) After starting the app, allow permission to use your location and allow Bluetooth connection.
2) On the first screen, press the ‘Add device’ button.
3) When a Bluetooth device with a unique ID value is scanned, press the device to connect.
4) After flow up to number 2, ‘1. Select a mode / 2. Among the ‘Time Reset’ buttons, click ‘1. Select ‘Select Mode’.
5) '1. Press the ‘Select Mode’ button to go to the home screen.
6) Click on the ‘Mode Selection’ section on the home screen and you will be taken to a screen where you can select 6 modes.
7) Each of the six modes contains different functions.
7-1) Mode 1, this is a function that determines the latitude and longitude value using the location permission received from the user, calculates the sunrise/sunset time, and then transmits it to the connected Bluetooth device for manipulation.
7-2) Mode 2, the function of calculating the sunrise/sunset time by determining the latitude and longitude value using the location permission received from the user and transmitting it to the connected Bluetooth device, allows the user to turn on and off the timer of the connected device at the desired time. This is a feature.
7-3) Mode 3, the function of calculating the sunrise/sunset time by determining the latitude and longitude value using the location permission received from the user and transmitting it to the connected Bluetooth device. The user can turn the timer of the connected device on and off at the desired time. This is a feature.
7-4) Mode 4, the function of determining the latitude and longitude value using the location permission received from the user, calculating the sunrise/sunset time, and transmitting it to the connected Bluetooth device for operation, allows the user to turn on and off the timer of the connected device at the desired time. This is a feature.
7-5) Mode 5, this is a function that turns the timer function on and off once at a time set by the user.
7-6) Mode 6, this is a function that turns the timer function on and off twice at a time set by the user.
8) Day mode contains a function that allows you to use the connected device only on selected days of the week.
9) If you press the gear wheel in the upper right corner of the home screen, you can see a page containing functions for changing the device name and disconnecting the connected device.

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