BlueMaestro TempoDisc Temperature sensor with button

Ultra Small and Accurate Bluetooth Thermometer, Hygrometer and Dew Point Sensor and Logger. Long Battery Life and Wireless Range, Calibrated Sensor, Massive Storage and Easy Export. USA Made.


  • WIRELESS AND ACCURATE: Advanced Bluetooth thermometer, hygrometer and dew point sensor and logger with factory calibrated sensor for the accurate measurement, monitoring and logging of temperature, humidity and dew point with your smartphone.
  • RELIABLE LOGGING WITH GRAPHS AND STATISTICS: Massive 240 days on-board and unlimited in-App data storage. User defined logging intervals from 1 minute to 6 hours. Quickly and easily download then export logs with no restrictions, time limit or sign up required.
  • ULTRA SMALL: Much smaller than competitors (less than half the size) allowing it to be placed anywhere, whether indoors or outdoors. Ideal for refrigerators, freezers, reptiles, collectibles, cigars, greenhouse, laboratories, musical instruments and more.
  • AMAZINGLY SIMPLE: Automatically detected by the free iOS and Android app. Open API available for integration with third party gateways and the development of own apps. Supported in the USA and trusted by Fortune 500 companies.
  • ADVANCED FEATURES: Has features not found in competitors including on/off button, LED indicator, configurable logging interval, sensor interval, calibration and much more.

Additional information





Power source


Battery type


Autonomy (estimation)


Compatible boards

Arduino MEGA, ESP32, ESP8266

Compatible modules


Exchanged data

battery, dewpoint, humidity, temperature

Price range



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