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Make a singing MSP430 microcontroller - part 4
Audio hardware The signal from MSP430 PWM pin isn't quite ready to drive a speaker or amplifier. First, we can clean up the signal a bit by running it through a low pass filter. This clips the sharp edges from the PWM waveform to make it sound a bit ...
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Make a singing MSP430 microcontroller
This is my second article about building a DIY digital audio recorder. Inspired by this microcontroller audio project [via], I set out to build a simple digital recording device. I chose Texas Instrument's MSP430 microcontroller for this project because ...
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Make a singing MSP430 microcontroller - part 5
The next step... Complex waveforms are generated by placing a series of values on the PWM in the right order, at the right time. Test program 2 (test2 in the project archive) is a simple program that plays different tones. I re-appropriated the ...
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Perpetual Remodeling Syndrome: Alternative residential energy
So you're fed up with your monthly gas and electricity bill? Or you're building a new abode and you want to get off on the right track with controlling how much utility power you have to buy from an outside producer? What you need are alternate sources of ...
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