The PWM signal is put out from the computer sound card.
Metatron Soft Labs
It is a great tool for science and spiritual exploration.
Generate tones for aligning radio audio level and calibrating equipment.
Turns your PC into a scientific, professional function generator.
Brain Wave Generator is actually a brain simulator to enhance your brain power.
"FlexiMusic Instrument Player" is a support utility to play encrypted Instrument.
To use Little SineGen just select your soundcard. Set the sample rate.
Signal generator to visually inspect moving loudspeakers with an LED stroboscope.
Signal generator and offline oscillosocpe with arbitrary wave form generation.
A java visualization of plane wave radiation generator.
It's integrated development environment for PicBasic and PicBasic Pro compilers.
PhySim covers ASK, FSK, PSK, QPSK, DPSK, PAM, PWM, PPM, TDM-PAM, PCM,AM, SSB.
It is designed specifically for microEngineering Labs PICBASIC PRO™ compiler.
microEngineering Labs, Inc.
PICBASIC compiler provides an easy way for users to program microcontrollers.
Optimal Designs Enterprise
A nonlinear curve fitting program: Lorentzian, Sine, Power, Exponential series.
It generates multi frequency tones based on the compositions of sine waves.