A heart rate sensor that measures BPM and SPO2 and a temperature and humidity sensor. All data are displayed on the TFT touchscreen.
An all-inclusive air quality module: PM2.5, CO2, TVOC, temperature, and humidity are all displayed for your information!
A robot which measures the user's body temperature, decides 'happy' or 'sad', and draws either a smiley or frowny face.
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