MCP_DAC
ESP32_WebRadio
MCP_DAC | ESP32_WebRadio | |
---|---|---|
1 | 1 | |
30 | 60 | |
- | - | |
4.6 | 0.0 | |
27 days ago | over 2 years ago | |
C++ | C++ | |
MIT License | GNU General Public License v3.0 only |
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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.
ESP32_WebRadio
What are some alternatives?
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edgetx - EdgeTX is the cutting edge open source firmware for your R/C radio
avr-binary-weighted-dac - Draw vector graphics on an oscilloscope with an Arduino
ESP32-audioI2S - Play mp3 files from SD via I2S
blynk-library - Blynk library for IoT boards. Works with Arduino, ESP32, ESP8266, Raspberry Pi, Particle, ARM Mbed, etc.
ESP3D - FW for ESP8266/ESP8285/ESP32 used with 3D printer
yummyDSP - An Arduino audio DSP library for the Espressif ESP32 and probably other 32 bit machines
SqueezeAMP - all-in-one audio board, works specially well with LogitechMediaServer
HubAlyzer - A spectrum analyzer display for HUB75 RGB LED panels and I2S microphones
Chrysler-CANBUS-RES-Radio-Interface - A CANBUS interface for the Chrysler RES Radio