2/2/2023 0 Comments Bluetooth white led badge![]() Surprisingly, you don’t need to pair the device to your phone to change the text. When pressing the send button, the app scans for compatible devices and sends data directly. ![]() The device is shipped with a very simple iOS / Android application that can send up to 8 different messages to the LED badge.įor each message, you can set some options, such as the display mode or the scrolling speed. Unlike what can be seen on the package, I would not recommend using this badge for your hotel employees, especially if you have fun customers. I recently bought a Bluetooth LED name badge thinking it could be a nice external screen for some use cases for an Android Things project (such as displaying the device IP, or some short text). ![]() While this could lead to some privacy issues, this can sometimes also be a source of fun, especially when trying to understand how a device works, so we can use it in a different way, or on a totally different platform. Security in Bluetooth LE devices is optional, and many cheap products you can find on the market are not secured at all.
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