Can you please share the UUID of each sensor of 4 in 1 ruuvi tag to read the live reading and historical readings? I could not find any details in the API documents page. In my app, I can implement, read/write/notify of UUID characteristics.
We use Nordic UART Service (NUS) RX/TX characteristics, details are at Technical Documentation.
You need to register to notification of TX service and write the command described in docs, Tag will send the logged data in notifications.
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