Hi there !
Let's me introduce dB Sound Meter App
Main features;
- Gauge for indication current dB sound level
- Line chart for monitoring SPL changing
- Can calibrate the decibel for each devices
For calibration your device you have to find noiseless place at home (average ambient noise level is 30 dB ) and set value for correction in the calibration menu.
NOTE: App uses built-in microphone to measure ambient noise level. The maximum values can be limited by the device (often limit is in a range 80 dB - 90 dB ). Very loud sounds may not be recognized.
Some devices are equipped with AGC (Automatic Gain Control). This system causes additional sound pressure level measurement error.
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Related
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This Application can measure Voltage and Current with Android Mobile phone and IOIO Board.
IOIO Board Support with Data link cable and Bluetooth Dongle.
Application Feature
• Display Voltage and Ampere in number and graph
• Save data ( volt and amp ) to Log file in SD Card ( file LogYY-MM-DD-hh-mm.txt )
Hardware Feature
• Voltmeter 0 - 30 V. DC
• Ampmeter 0 - 3 A.
Hardware Interface
1.IOIO Board
2.Volt Amp meter circuit ( DIY )
More info about hardware
http://androidcontrol.blogspot.com/2012/08/android-voltmeter-ampmeter.html
Download on Google Play
https://play.google.com/store/apps/details?id=ioio.app.voltmeter
Hi. May I know what is the sampling rate?
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Voice Player designed for speech training with on-the-fly silence detection and mic to speaker microphone. For example, you can use it for improve diction, pronunciation, accent, skills in public speaking. Give it a try!
NOTE: May not work properly on some handsets. Please feel free to send me feedback via email if you have any.
Features:
- the best possible sound quality (8-44 kHz depend from device)
- working in background (even when display is off)
- automatic control for silence detection
Permissions that this app needs are:
- internet access (for displaying ads)
- record audio
Google Play:
play.google.com/store/apps/details?id=com.fisko.voice
First
Can I use this on the Note3?
Sent from my SM-N900P using Tapatalk
Yes, it works on all devices with a microphone.
I'm developing a small utility which can automatically slow down charging when the battery overheats.(I know android does it automatically but I want to set the limit even lower.)
Currently, I turn off charging by `echo 0 > /sys/class/power_supply/battery/chargin_enabled` and then start charging again when battery cools down to a certain temperature.
- **Q.** Is there any way to control charging speed as well? (I can't write directly to `/sys/class/power_supply/battery/current_now`)
I know android automatically controls charging speed.
- **Q.** Is there any api to control charging speed?
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In android kernel source, I find `qcom,batt-warm-decidegc` interesting but couldn't find how to use it.
- **Q.** Can I somehow use `qcom,batt-warm-decidegc` in this case?
This is the first Android app I have made .
Screenshots
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Features :-
- Shows true north
- Shows the device heading in degrees
- Shows latitude
- Shows longitude
- Shows the Address of current location
- Use flashlight as Torch
- And, a map to easily spot the things around you
Get it from Play Store
Test and tell me how is it
Nice layout, but besides that, it suffers from the same difficulties all compass apps on Android suffer: its incorrect. May prompt the user the make the 8-gesture to calibrate properly or use some other techniques to calibrate the compass but the currently shown values are false (Pixel 3 XL, Android 10). From a developer point of view, working with compass values on Android s***s.
On my GW4 when I display the Heart Rate Tile, I see something like this:
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It is displaying the heart rate from 1:23 this morning. When I look at the Tiles Setup instead of 1:23 AM it shows "Now". I'd assume that means the current rate.
How do I get it to change to "Now" and show the current heart rate? I have it set up for continuous HR reading in settings.
Thanks,
Barry.
--- Added Later ---
I powered off/powered on the watch and went back to the Heart Rate tile. It now shows
"Now" and updates with the real-time heart rate. This is what I would normally like to see rather than "Today's HR". How does one change between the two display modes without having to power off/power on the watch? I think there must be something – I just can't find it.