greenale

8 ms·

1. 1.▲
   by greenale 15y ago

   I'm sorry, I don't have any more codes. I got only 50 codes, and posted all of them on the internet already. The app is available for $0.99: http://itunes.apple.com/us/app/acoustic-ruler-pro/id47508196...
2. 2.▲
   by greenale 15y ago

   The biggest source of error is actually the variation in the speed of sound. It increases around 2% when the temperature increases 10°C. Then there is a source of error because it seems the clock frequency of the ADC/DAC on the iPhone is no
3. 3.▲
   by greenale 15y ago

   Thanks for telling me! Have some more: JH4FKF7L4MR7 HALW7E3RWFRN AM69Y3A6HLYF YNJYRTAFEKLL 4MJW7RWY346L 9339EPNA3JT6 Thank you HN for your tremendous interest!
4. 4.▲
   by greenale 15y ago

   AFAIK Sonar Ruler works by reflecting the sound off a wall e.g. My app supports a dual-device mode where you can measure the distance between two iOS devices, and it works reliably up to 25 meters.
5. 5.▲
   by greenale 15y ago

   Thanks for your feedback. In theory it would be possible to tell the temperature if you have a know distance. The only problem seems to be that the clock of the ADC/DAC is often not running exactly at its nominal frequency. So, if you have
6. 6.▲
   by greenale 15y ago

   Thanks to soulashell and Amaan for pointing out all codes are gone. Strangely there is no reply link on your posts. Enjoy some more: LKNYJXP6JMKF F3K7JNAXWHMF T9P4L7JE4LF4 AYERK4LE33X6 4KWJETFKJFFR J7KFM7W737MW
7. 7.▲
   by greenale 15y ago

   Thanks for reporting this! HXRH69ATPNEX TF7YAPRHJWH7 RFPEPJEYMJFP WMWWRAWNXAXL 7RJKAMNA9AFE 6F93JHNXMHYM EKWRFRRYM6JH
8. 8.▲
   by greenale 15y ago

   Thanks for telling! Here are some more: 37LFWL69JKTT L7F9JEEKAT6K JPJN7FYAHWL3 F37FNWN3WETR H9FERRJ3TXJ9 PA3YLRJ7AKAM RYEEFTPW4H9W ANLW6N6XFY4E
9. 9.▲
   by greenale 15y ago

   Did you try the codes? Are all taken already? Please let me know because then I will post some more
10. 10.▲
    by greenale 15y ago

    Hello HN! Here are some promo codes for you: M7TF3KPJH3WX KJXW974YELWX PE6RANNF4R6Y ARYLPNJY36XX M9EHXA694JER You can redeem them as follows: 1) On your iPhone/iPod/iPad, tap the App Store icon from the Home Screen.