Learn how to cancel Blue Switch subscription on iPhone, Android, Paypal or directly.
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Alternative method via AppStore:
1. Name the modules for example "Relay 1", "Relay 2", "Electronic lab project" or "Ambient Light".
2. This app allows you to control a 2, 4 or 8 Channel Relay Module Bluetooth BLE with your smartphone.
3. By entering an alias, the modules are marked clearly and can easily be assigned to a use area.
4. The default password for these modules is usually "12345678".
5. These modules can be ordered at many online shops.
6. This app can be connected with any number of modules.
7. For more security, the app also allows you to change the password.
8. Please use a search engine to find a shop.
9. The password must be eight digits long.