1.2 / March 31, 2016
(4.5/5) (5246)

Description

Dual channel function / waveform / signal generator for the speaker/ headphone audio output.No Ads, No Permissions, No In AppPurchasing, No Limited Features. Full Version.Output is 16 bit foreach left and right channels and at 44.1kHz. Output will depend onyour device hardware. Some device hardware may may filter out theDC bias and low frequency signals. At high frequencies, thewaveforms will be distorted due to limited number of samples foreach waveform (for example at 4.41kHz, a sine waveform will beapproximated by only 10 points). Therefore this is forfun/educational use, for critical applications use a realcalibrated function generator.Left and Right audio channels can beassigned to either channel 1 or channel 2.Sine, Square &Triangular waveforms.Frequency range from 1 mHz up to 22kHz.Amplitude as percentage 0-100%.Set duty for square waveforms orskew triangular waveforms to get saw waveforms.Offset the phase ofwaveforms.Sweep frequency or amplitude (Single, Repeat & Bouncemodes).Amplitude Modulation (AM).Frequency Modulation (FM).Burstmode for a specific number of waveforms (1-10000).White noise &pink noise Generator. Pink (1/f) noise falls of at ~3dB per octavebetween 43 Hz and 44 kHz. Memory slots to save & recall channelconfiguration.Select values with spring slider or number pad.Moredetailed explanation available on website

App Information Function Generator

  • App Name
    Function Generator
  • Package Name
    com.keuwl.functiongenerator
  • Updated
    March 31, 2016
  • File Size
    1.7M
  • Requires Android
    Android 2.2 and up
  • Version
    1.2
  • Developer
    keuwlsoft
  • Installs
    500,000+
  • Price
    Free
  • Category
    Music & Audio
  • Developer
  • Google Play Link

Function Generator Version History

Select Function Generator Version :
  • 1.2 (3) - Latest Version
  • 1.1 (2)
  • Function Generator 1.2 APK File

    Publish Date: 2016 /3/31
    Requires Android: Android 2.2+ (Froyo, API: 8)
    File Size: 1.7 MB
    Tested on: Android 5.0 (Lollipop, API: 21)
    File Sha1: 7eb1ac6ad96233c6169b64942d9fb052d7d26a53
    APK Signature: dfb4d0c0d0d32d2acd6b216adedce1a3bd02841d
  • Function Generator 1.1 APK File

    Publish Date: 2015 /10/29
    Requires Android: Android 2.2+ (Froyo, API: 8)
    File Size: 1.5 MB
    Tested on: Android 4.3 (Jelly Bean, API: 18)
    File Sha1: d9588f3808c9d6a3d53709a890473246b22dcaac
    APK Signature: dfb4d0c0d0d32d2acd6b216adedce1a3bd02841d

keuwlsoft Show More...

Function Generator 1.2 APK
keuwlsoft
Dual channel function / waveform / signal generator for the speaker/ headphone audio output.No Ads, No Permissions, No In AppPurchasing, No Limited Features. Full Version.Output is 16 bit foreach left and right channels and at 44.1kHz. Output will depend onyour device hardware. Some device hardware may may filter out theDC bias and low frequency signals. At high frequencies, thewaveforms will be distorted due to limited number of samples foreach waveform (for example at 4.41kHz, a sine waveform will beapproximated by only 10 points). Therefore this is forfun/educational use, for critical applications use a realcalibrated function generator.Left and Right audio channels can beassigned to either channel 1 or channel 2.Sine, Square &Triangular waveforms.Frequency range from 1 mHz up to 22kHz.Amplitude as percentage 0-100%.Set duty for square waveforms orskew triangular waveforms to get saw waveforms.Offset the phase ofwaveforms.Sweep frequency or amplitude (Single, Repeat & Bouncemodes).Amplitude Modulation (AM).Frequency Modulation (FM).Burstmode for a specific number of waveforms (1-10000).White noise &pink noise Generator. Pink (1/f) noise falls of at ~3dB per octavebetween 43 Hz and 44 kHz. Memory slots to save & recall channelconfiguration.Select values with spring slider or number pad.Moredetailed explanation available on website
Metronome 1.1 APK
keuwlsoft
Metronome with no ads & no permissions. ♩ Beats per Minute(BPM) from 10 up to 310 in 0.1 BPM intervals. ♩ Moving pendulumwith motion blur effects. ♩ Accelerando slider for gradual speedingup/slowing down. (0.1 to 10 BPM/bar)♩ Beats highlighted on musicalstaff as they are played. Accent or mute any of the beats bytapping above/below note.♩ Select up to 12 Beats per bar. Set beatvalue to half note, quarter, eighth or sixteenth. ♩ Three differentsound effects to choose from. ♩ Select from 0 to 9 sub beatdivisions.
Audio Frequency Counter 1.03 APK
keuwlsoft
Frequency counter based on the microphone input. Counts when theinput rises or falls past a set level and converts into intofrequency or a time period. FOR INDICATION ONLY. Results depend onyour device and its hardware. If you just want to know thefrequency of a sound with harmonics (e.g. mucial instrument), a FFTbased app such as keuwlsofts spectrum analyser or guitar tuner(both free) will be better. This app can provide more accuratefrequency measurement for single frequency input signals. Featuresinclude:Display of triggered event count and frequency or timeperiod.Graph of input signal, 2.5 ms/div up to 640 ms/div.Gate timeof 0.1s, 1s, 10s or 100s.Gain from x1 to x1000.Trigger on rise orfall.AC or DC coupling.Set a noise level so new event is nottriggered until the signal has first passed this level.More detailscan be found on the website.
Spirit Level 2.01 APK
keuwlsoft
Spirit Level. No Permissions Required. Free & No Ads. • Bullseye level with roll & pitch gauges screen• Horizontal andvertical bubble level and angle gauge screen. • Calibration featureto correct for accelerometer misalignment & different axissensitivities.For best results touch CAL and calibrate first. TheSpirit Level is only as good as your accelerometer. For indicationonly. Don't damage your tablet or phone, use a real spirit levelwhen appropriate.• Pause button to hold the current reading. • Zeroand reset button to make measuring angles easier. • Option to autoselect screen based on inclination.That's it. Enjoy.
Guitar Tuner 1.41 APK
keuwlsoft
Straightforward guitar tuner. Single screen app that starts in autotune mode. Simply run the app, hit a string and start tuning yourguitar. Tune into the orange region for a good results or green forperfection.This app uses your microphone to detect the string beingplayed and indicate if you should tune up or down. Pitch pipefunction also included. The standard EADGBE guitar (not implementedfor very small screen devices) indicates current note being playedor allows fast note selection in manual mode. Tuning range from 30Hz (B0) to 4186Hz (C8), so can also be used to tune other stringedinstruments.
Wifi Analyser 1.10 APK
keuwlsoft
Monitor strength of nearby wifi networks. Use to find a goodlocation for your wifi hub. Or use to identify a channel withlittle overlap with neighbouring networks.App has 4 screens:• Gauge– shows the signal strength of the currently connected wifinetwork. Also shows maximum, minimum and average values. Graph withauto-scale & speed options.• Channel – shows how the wifinetworks are spread across the channels and overlap each other. •Graph – shows how the signal strength of all nearby networks varywith time. Auto-scale & speed options. Select which networks todisplay.• List – Contains basic information for all the detectednetworks: name, mac address, frequency, channel, encryption typeand signal strength. For indication only. Ads shown on exiting apponly. If you dislike these ads, there is an option to turn them off(enabled after 6 hours) in the settings menu (top left button).
Gauss Meter 1.02 APK
keuwlsoft
This app uses the magnetic field sensor on your device to measuremagnetic flux density (B) in Gauss or Tesla. FOR INDICATION ONLY.Results depend on your device and its hardware. Your device musthave a Magnetic Field Sensor for this app to function. Featuresinclude: Analogue dial to show current reading.Averaging.Maximumand minimum values.Gauss or Tesla units.4 time constant options. 3Refresh speeds.Graph – Shows the time depedence of the magneticfield.Compass Ferrous metal detector – sound frequency will changewith gauss level.Autoscale or manual (pinch & pan)Y-Axis.Calibrate option – If you have a calibrated gauss meter orknown magnetic source, you can use this option to calibrate themeter. (However app is still for Indication Only).More details canbe found on the website.
Bluetooth Electronics APK
keuwlsoft
Control your electronic project with an Android device. This appcommunicates using Bluetooth to an HC-06 or HC-05 Bluetooth modulein your project. This app comes with a library containing 10Bluetooth examples for Arduino. It can also be used with RaspberryPi or any other rapid prototyping system in which you have includeda suitable Bluetooth module to your project.Ideal for learningelectronics in a fun way. Ideal for rapid prototyping a newidea.Ideal for exhibiting your project.Some electronics skillsrequired. Requires an Android device with Bluetooth capabilityenabled. Version 1.1 only works with Bluetooth Classic. Version 1.2(currently being rolled out - as of May 2018) supports BluetoothLow Energy and USB connectivity in addition to BluetoothClassic.Large selection of controls available including buttons,switches, sliders, pads, lights, gauges, terminals, accelerometersand graphs. Drag and drop them onto the panel grid. Then edit theirproperties.20 customisable panels available. Import/Exportpanels.Discover, Pair and connect to Bluetooth devices. Then clickRun to use the panel.Library of 10 Arduino Examples to get youstarted:LED Brightness - PWM with a Slider controlRC Car demo –Basic Button controlsPersistence of Vision – Text controlRepeaterDemo – Send and Receive TerminalsUltrasonic Distance Sensor - LightIndicatorMEGA Monitor – GraphsUNO Monitor – More graphsTemperatureand Humidity – Temperature GaugeConfigure HC-06 Demo – In-case youwant to change Baud rateMotor Control Demo – Accelerometer and padcontrolsFinally, You undertake any electronic project at your ownrisk. Please be careful. Consider what is going to happen to yourproject if the Bluetooth connection is lost, or the Android devicecrashes.

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