Working scale free for Android

Working scale free app for android description: working scale free uses your phone 39 s sensors to measure the mass (or weight) of a small object placed on it.
The minimum mass you can measure accurately with typical android devices is about 5 grams.
Best results can be obtained for masses between about 10 and 100 grams.
If you place your android device on a carpet and gently push down on one end with your finger it will come back to its original position after you remove your finger.
The carpet has spring like properties.
This app is designed to make use of the spring like properties of common objects in combination with a known mass (a calibration mass ) to measure an unknown mass.
It tracks your device 39 s changing angle using its built in motion sensors.
You prepare your android device by placing a calibration mass near one end while it is resting on a spring like object.
After this step the mass of any small object placed on top of the calibration mass can be determined.
Here are the steps you should follow to get the best results (see help page in app for additional suggestions): - place your android device face up on a carpet sofa cushion slightly inflated zip lock bag (good) flexible ice pack(s) (best) folded towel or any other springy object.
It helps to place a small piece of paper on your android device where you plan to place the calibration mass.
This makes it less likely that it will slide.
- Press the 39 start 39 button.
Do not touch the device again until it commands you to place the calibration mass on it.
- For users in the usa we recommend using at least one quarter for the calibration step (but two quarters is better).
You should use more coins for larger devices.
You should easily notice movement of the device when you place the coin(s) on it.
You can look up the mass of a quarter (or other coin) on the us mint coin specifications web page ( about the mint ? Action coin specifications).
Watch the progress bar and