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So I received the Bluetooth enabled thermo sensors from Temu today. I put the included batteries in them all, powered them up, and all was looking good, hardware-wise. Then I installed the app. I have to say, the app does works: it connected to all of the sensors, let me assign them names. But - and this is a big annoyance for me - the app only displays one sensor’s data in near real time at a time. You can hit the magnifying glass and then select one of the sensors from the screen. But it’s clunky. The current sensor’s data is displayed in white over a very light blue background, making it hard to see the data. I haven’t had the sensors and the app installed long enough to start seeing historical data; hopefully that’ll be easier to read.

I have connected five devices, it only shows one at a time. Useless apps

The bluetooth on my iPhone shows the two dives connected. But, the app can never find them. That means the devices are useless.