About Blue Switch
This app allows you to control a 2, 4 or 8 Channel Relay Module Bluetooth BLE with your smartphone. To use this app, you need one of these three modules: "2 Channel Relay Module Bluetooth BLE" "4 Channel Relay Module...
This app allows you to control a 2, 4 or 8 Channel Relay Module Bluetooth BLE with your smartphone.
To use this app, you need one of these three modules:
"2 Channel Relay Module Bluetooth BLE"
"4 Channel Relay Module Bluetooth BLE"
"8 Channel Relay Module Bluetooth BLE"
These modules can be ordered at many online shops. Please use a search engine to find a shop.
This app can be connected with any number of modules. By entering an alias, the modules are marked clearly and can easily be assigned to a use area. Name the modules for example "Relay 1", "Relay 2", "Electronic lab project" or "Ambient Light".
An alias can also be entered for each relay.
The default password for these modules is usually "12345678". For more security, the app also allows you to change the password. The password must be eight digits long.
Previous Versions
Here you can find the changelog of Blue Switch since it was posted on our website on 2023-06-20 11:13:21.
The latest version is and it was updated on 2026-06-11 00:24:44. See below the changes in each version.
Blue Switch version
Updated At: 2026-06-03
Changes: Bug fixes and improvements
Disclaimer
Official Google Play Link
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