Open Music Labs
Analog and Digital Techniques — Tools for Musicians, Composers, and Tinkerers
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Learning
Arduino
Arduino ISP
Analog
Op-Amps: Part I
Op-Amps: Part II
Digital
Input Matrix Scanning
Switch per pin
Subset of charliplexed
Single multiplexed
Shift register brigade
Parallel-out shift register mux’d with uC
Parallel-in shift register mux’d with uC
3 to 8 decoder mux’d with uC
Latch mux’d with uC
Dual shift register mux
Extra microcontroller
3 to 8 decoder mux’d with shift register
Serial I/O expander IC
Shift register hacks
How does a MIDI keyboard work?
XMEM matrix scanning
ATmega ADC
PWM DAC
Overview
Dual PWMs
Analysis
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Synchronizing Timers
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Electret Mics
Force Sensitive Resistors
Piezos
About Us
MICrODEC videos
We recorded some videos (in STEREO) to illustrate some of the things the MICrODEC can do:
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ATmega Timer Sync’ing
Pulse What!?! Modulation (PWM)
ArduinoFHT – Tastes great! Less filling!
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