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Ondo - Thermometer
版本记录
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应用状态
  • 全球最早版本上线日期
    2019-02-04
  • 最新版本
    1.1
  • 最新版本上线距今
    5年1天23小时
  • 近1年版本更新次数
    0

版本时间线

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版本记录

  • 版本1.1
    2019-03-30
    大小:26.35M
    更新日志

    Improved calibration and temperature reading stability.

    截图
    应用描述

    Measure indoor room temperature using your iPhone or iPad and headset (required).
    Ondo® is an experimental acoustic thermometer implemented using an iPhone (or iPad) and headset. Acoustic thermometers utilise the principle that the speed of sound in air changes with temperature; by measuring the speed of sound it is possible to calculate air temperature.
    How it works?
    Ondo® transmits a high frequency sound from the headset earpiece. This sound is received by the microphone positioned a short, fixed distance from the earpiece. The time taken for the sound to travel between the earpiece and the microphone is very accurately measured to less than a millionth of a second.
    What you will need to build your acoustic thermometer:
    • Standard Apple headset (EarPods with lightning connector)
    • Old credit or debit card (to provide a base)
    • Four elastic bands (to hold the right earpiece and microphone in position)
    • iPhone or iPad with Ondo® installed
    Getting started:
    • Follow the simple instructions in the app (or on the website www.ondo.app) to build your headset thermometer
    • Calibrate to the starting temperature and your thermometer is ready to use
    • Move the phone and headset to a different temperature zone e.g. take it outside or move nearer to a heater and watch the reading change
    Specification:
    • Temperature range -40 to 50 degrees Celsius
    • Accuracy +/- 1 degree (dependent upon headset fixing)
    PLEASE NOTE - This app will only work with a headset connected and set up according to the instructions in the app. Please do not buy this app if you do not have a suitable headset. This app will not work with AirPods.

  • 版本1.0.1
    2019-02-26
    更新日志

    • Improved App Store description.

    截图
    应用描述

    Measure indoor room temperature using your iPhone or iPad and headset (required).



    Ondo® is an experimental acoustic thermometer implemented using an iPhone (or iPad) and headset. Acoustic thermometers utilise the principle that the speed of sound in air changes with temperature; by measuring the speed of sound it is possible to calculate air temperature.



    How it works?

    Ondo® transmits a high frequency sound from the headset earpiece. This sound is received by the microphone positioned a short, fixed distance from the earpiece. The time taken for the sound to travel between the earpiece and the microphone is very accurately measured to less than a millionth of a second.



    What you will need to build your acoustic thermometer:

    • Standard Apple headset (EarPods with lightning connector)

    • Old credit or debit card (to provide a base)

    • Four elastic bands (to hold the right earpiece and microphone in position)

    • iPhone or iPad with Ondo® installed



    Getting started:

    • Follow the simple instructions in the app (or on the website www.ondo.app) to build your headset thermometer

    • Calibrate to the starting temperature and your thermometer is ready to use

    • Move the phone and headset to a different temperature zone e.g. take it outside or move nearer to a heater and watch the reading change



    Specification:

    • Temperature range -40 to 50 degrees Celsius

    • Accuracy +/- 1 degree (dependent upon headset fixing)



    PLEASE NOTE - This app will only work with a headset connected and set up according to the instructions in the app. Please do not buy this app if you do not have a suitable headset. This app will not work with AirPods.

  • 版本1.0
    2019-02-04
    截图
    应用描述

    Measure ambient air temperature using your iPhone or iPad and headset (required).



    Ondo® is an experimental acoustic thermometer implemented using an iPhone (or iPad) and headset. Acoustic thermometers utilise the principle that the speed of sound in air changes with temperature; by measuring the speed of sound it is possible to calculate air temperature.



    How it works?

    Ondo® transmits a high frequency sound from the headset

    earpiece. This sound is received by the microphone positioned a short, fixed distance from the earpiece. The time taken for the sound to travel between the earpiece and the microphone is very accurately measured to less than a millionth of a second.



    What you will need to build your acoustic thermometer:

    • Standard Apple headset (EarPods with lightning connector)

    • Old credit or debit card (to provide a base)

    • Four elastic bands (to hold the right earpiece and microphone in position)

    • iPhone or iPad with Ondo® installed



    Getting started:

    • Follow the simple instructions in the app (or on the website www.ondo.app) to build your headset thermometer

    • Calibrate to the starting temperature and your thermometer is ready to use

    • Move the phone and headset to a different temperature zone e.g. take it outside or move nearer to a heater and watch the reading change



    Specification:

    • Temperature range -40 to 50 degrees Celsius

    • Accuracy +/- 1 degree (dependent upon headset fixing)



    PLEASE NOTE - This app will only work with a headset connected and set up according to the instructions in the app. Please do not buy this app if you do not have a suitable headset. This app will not work with AirPods.