Open Source Projects
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Automatic Wireless Vehicle eXplorer
8-channel microphone array cape for the beaglebone black.
This repo contains one-sided eagle files that can be used to build an LED Driver circuit for a car. The idea is to first low-pass the signal coming from the head unit, with a simple capacitor and resistor circuit. I found that I sometime wanted to adjust my crossover frequency, so I have used a potentiometer in the place of the low-pass resistor.
After filtering, the signal is amplified 100x and used to drive a MOSFET which acts as a switch to turn off and on the LED's. Video of this working can be found here (link coming soon).
I have only included the schematic and the board files.
PC cooling controller for rotary cooling devices (fans/pumps). It has the following features:
Supports 4 cooling devices.
Can disable devices that still run on minimal PWM.
Monitors devices RPM.
RPM measurement supports pulse stretching.
Supports 2 thermal sensors.
Error signal output.
Can be controlled/queried over RS-232 interface.
Command-line client to query/debug/control the device.
Hardware design and source code is MIT-licensed.
A smallish and spartan music player that can work for weeks between charges, able to decode ogg vorbis, mp3 files
an audio amplifier project that contains a mixer controlled by an MSP430 microcontroller
