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An e-stim signal generator in java

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A signal generator generating signals for e-stim purposes. Planned to support windows, linux, and popular cell phone/tablet systems. Will create pulse trains that are mostly zero-averaged to avoid cell damage, allow certain manipulation options (frequency and amplitude modulation in certain ways). Control will be possible via a Java Swing GUI, and/or a terminal like interface on network or serial lines. Will allow 1-4 channels (2-8 electrodes). Output the signal via a soundcard to an amplifier that can output e-stim compliant signals (100+V, current limited to about 100mA, high impedance, short circuit proof). Care to have a potential free output for every electrode (use separating NF transformers). Author claims no responsibility for physical damage from misuse or routing the signal through unsuitable circuitry. Any use happens at the sole risk of the user.

javastim Web Site


  • 1 to 4 independent channels on 1 or 2 stereo outputs simultaneously
  • Versatile signal generator with multiple modulation capabilities
  • GUI, console application and/or remote controlled server application in one


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Additional Project Details

Intended Audience

Advanced End Users

User Interface

Console/Terminal, Java Swing, Non-interactive (Daemon)

Programming Language




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