MCP_DAC
kosmo-multitool
MCP_DAC | kosmo-multitool | |
---|---|---|
1 | 1 | |
30 | 21 | |
- | - | |
4.6 | 0.0 | |
27 days ago | over 2 years ago | |
C++ | C++ | |
MIT License | GNU General Public License v3.0 or later |
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MCP_DAC
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How to use an audio jack
I'm using a 12-bit 2-channel SPI DAC to take digital audio information from WAV files and outputting directly to a 3.5mm audio-out jack, with a couple of electrolytic caps to AC couple the output. Try the MCP4922 chip. It connects to the ESP32 with 3 SPI pins (clock, chip select, data) and needs a 5v reference voltage. It outputs 0v-5v depending on the input values of 0 to 4095. I use this library to access the MCP4922: https://github.com/RobTillaart/MCP_DAC and it works great and the resulting audio sounds great. It's not audiofile level, but I've done public performances and nobody can really tell the difference.
kosmo-multitool
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Arduino CV to MIDI help
A big shoutout to polykit for this board https://github.com/polykit/kosmo-multitool
What are some alternatives?
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ethersweep - Open Source, easy to use Ethernet connected stepper motor controller. Built in FreeCAD, KiCAD and Arduino.
ESP32_WebRadio - An Internet web radio based to ESP32
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avr-binary-weighted-dac - Draw vector graphics on an oscilloscope with an Arduino
esp32_basic_synth - ESP32 based simple synthesizer project
pico-dco - Polyphonic Digitally Controlled Oscillator (DCO) controlled by Raspberry Pi Pico PIO
kosmo-spring-reverb-driver - Schematics and PCB layout for a spring reverb driver in Kosmo modular format