PWM Buddy icon

PWM Buddy APK

22 votes, 3.8/5
  • Author:

    Tom Piessens

  • Latest Version:

    1.0

  • Publish Date:

    2012-08-01

The description of PWM Buddy

PWM Buddy allows you to create a PWM (Pulse Width Modulation) signal via the audio port of an Android device. PWM is a broadly used

and versatile way to transmit small amounts of data. It is commonly used in R/C (radio control) to remotely control cars or planes.

The app allows you to create a chain of channels, that each can use different inputs to determine their value (tilt and roll of the device, a random varying value, a fixed value, a slider on the touch screen, some buttons on the screen, ...)

Due to the limited bandwidth of an audio port the generated signal is not an exact block wave but it will be sufficient for most applications. I only tested with an Arduino microcontroller using the here below referenced library and this was working fine. However if for some reason you need a clean block wave, a simple circuit with 1 transistor and 1 resistor can shape the signal to perfect squares.

Possible applications:

Advanced gui (graphical user interface) for Arduino or other microcontroller circuits.

A PWM signal can be very easily decoded by a microcontroller. A library is readily available for the broadly used Arduino platform

(ServoDecode library http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1228137503). The app will allow you to build a user interface by adding buttons, sliders, ... in a flexibel and versatile way.

Control your R/C equipement with your Android

By connecting your Android to the trainer port of your R/C transmitter, you can control your plane or car by tilting and rolling your phone.

This is a pre 1.0 version release, since a configuration cannot yet be saved... still working on that... but since it does only take a few seconds to setup the channels, you can already test wether it suits you needs. Extended versions will follow.

PWM Buddy for Android official Trailer

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PWM Buddy APK Version History
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PWM Buddy 1.0 for Android 2.3.4+ APK Download

Version: 1.0 (1) for Android 2.3.4+ (Gingerbread MR1, API 10)

Update on: 2016-01-06

Signature: ffa6b5419b30455461b36d491e0d6575590564d7 PWM Buddy 1.0(1) apk safe verified

APK File SHA1: 1498d9043e955d25eb9d1dc382eeaf2cae57b634

Download APK(509.3 KB)

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