sensorium/Mozzi

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sound synthesis library for Arduino

Stars: 1.3k
Forks: 204
Open beginner issues: 0
Indexed issues: 48

Dominant language: C
License: LGPL-2.1
Last GitHub push: Jul 22, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

48 open issues indexed

Mozzi ESP32-S3 + PSRAM: I2S DMA initialization failure (IDF5) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

sensorium/Mozzi#327 · 3 comments · Opened Apr 11, 2026
ESP32 device/gptimer.h missing in PlatformIO Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

sensorium/Mozzi#319 · 3 comments · Opened Dec 31, 2025
AUDIO input and Raspberry Pi Pico Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sensorium/Mozzi#315 · 14 comments · Opened Oct 10, 2025
mozziAnalogRead() undefined reference in multi-source project Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sensorium/Mozzi#314 · 6 comments · Opened Sep 26, 2025
`#define MOZZI_AUDIO_RATE 65536` not compatible with `Oscil` on some platform Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

sensorium/Mozzi#313 · 3 comments · Opened Jul 21, 2025
Add new output mode MOZZI_OUTPUT_PWM_PP [enhancement] Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

sensorium/Mozzi#311 · 2 comments · Opened Jun 18, 2025
Declaring MOZZI_AUDIO_RATE at 48000 produces: not LSHIFT defined, RP2040 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

sensorium/Mozzi#310 · 3 comments · Opened May 1, 2025
Should `MetaOscil` have used only one `Oscil`? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

sensorium/Mozzi#294 · 4 comments · Opened Dec 5, 2024
`char` type is not compatible with all boards Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

sensorium/Mozzi#287 · Opened Nov 10, 2024
Reduce RAM usage and audio latency with smaller CircularBuffer size Open

enhancement optimization

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

sensorium/Mozzi#281 · 3 comments · 1 reaction · Opened Oct 14, 2024
StereoOutput Constructor to send 2xStereo/4xMono Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sensorium/Mozzi#267 · 5 comments · 2 reactions · Opened Jul 24, 2024
Port for PY32f002 - PY32F003 -PY32F030? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

sensorium/Mozzi#255 · 2 comments · Opened May 8, 2024
Force PWM mode for power supply on GPIO, or suggest it in documentation Open

enhancement

sensorium/Mozzi#247 · 1 comment · 1 assignee · Opened Apr 5, 2024
Optimization of `Oscil::phMod()` Open

optimization

Difficulty 5/5 Over a week Newbie friendliness 25/100

sensorium/Mozzi#245 · Opened Apr 4, 2024
Review uses of "int", and "long" data types. Open

optimization

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sensorium/Mozzi#244 · Opened Mar 30, 2024
VS10XX as DAC Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

sensorium/Mozzi#231 · 38 comments · Opened Jan 27, 2024
mozzi_rand cannot go full range Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

sensorium/Mozzi#220 · 7 comments · Opened Dec 19, 2023
Compatability/Compilation Issues w/ Nano 33 BLE Sense Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sensorium/Mozzi#216 · 10 comments · Opened Dec 3, 2023
Using Mozzi and I2C library for LCD Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sensorium/Mozzi#209 · 14 comments · Opened Nov 11, 2023
Sample example not working on UNO R4 Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

sensorium/Mozzi#197 · 12 comments · Opened Aug 23, 2023
Stereo - Strange error compilation depending if a function was define before updateAudio() - Problem with preprocessor ? Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

sensorium/Mozzi#193 · 3 comments · Opened May 18, 2023
Hardware support for the PicoADK RP2040 DSP Board Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

sensorium/Mozzi#168 · 7 comments · Opened Feb 7, 2023
ESP32 Input audio Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

sensorium/Mozzi#142 · 5 comments · 1 reaction · Opened Dec 20, 2021
Teensy LC: conflict between I2C and ADC Open

wontfix

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sensorium/Mozzi#139 · 16 comments · Opened Oct 17, 2021
16 bit wavetable support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

sensorium/Mozzi#132 · 16 comments · Opened Aug 7, 2021
Compilation fails for Arduino Nano Every Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

sensorium/Mozzi#131 · 2 comments · Opened Jul 23, 2021
Problems with compiler optimization options / Mozzi example sketches not working Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sensorium/Mozzi#130 · 6 comments · Opened Jun 26, 2021
Proper system condition in mozzi_pgrmspace.h Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

sensorium/Mozzi#125 · 6 comments · Opened May 14, 2021
LPF goes bananas when changing parameters too abrubtly Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sensorium/Mozzi#116 · 6 comments · Opened Feb 2, 2021
Compile on PC (Linux, ALSA, SDL2)? Open

Difficulty 5/5 Over a week Newbie friendliness 18/100

sensorium/Mozzi#115 · 9 comments · Opened Jan 31, 2021
USB MIDI on ATMega32U4 (Arduino pro Micro, Leonardo) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sensorium/Mozzi#114 · 2 comments · Opened Jan 31, 2021
No pitch change for SampleHuffman class Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sensorium/Mozzi#106 · Opened Jan 15, 2021
mozziAnalogRead doesn't work on SAMD21 boards Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

sensorium/Mozzi#104 · 2 comments · Opened Jan 7, 2021
Can't compile Mozzi using PlatformIO and a Nucleo F446 Board Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

sensorium/Mozzi#101 · 1 comment · Opened Dec 16, 2020
I2C communication as Slave device Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

sensorium/Mozzi#96 · 1 comment · Opened Oct 1, 2020
Arduino zero compiles with no errors, was wondering if it is officially supported. Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

sensorium/Mozzi#93 · 2 comments · Opened Jul 25, 2020
Compile errors on Teensy 3.6 for Skeleton.ino with Arduino 1.8.11 and TeensyDuino 1.51 Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

sensorium/Mozzi#86 · 3 comments · Opened Mar 22, 2020
Compile error for Arduino Nano Every board Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sensorium/Mozzi#83 · 19 comments · Opened Jan 16, 2020
New ATTINY817 support Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

sensorium/Mozzi#79 · 4 comments · 2 reactions · Opened Oct 20, 2019
Size of samples on Teensy LC Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sensorium/Mozzi#76 · 1 comment · Opened Jul 18, 2019
MOZZI Library with Teensy LVC Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

sensorium/Mozzi#61 · Opened Nov 10, 2018
Unable to install scikits.audiolab to run audio2huff.py script Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

sensorium/Mozzi#54 · 4 comments · Opened Aug 25, 2018
Wrong pitch for ESP8266 and external I2S DAC output (pt8211) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sensorium/Mozzi#50 · 15 comments · Opened Jul 17, 2018
reading some wavetables from SD card Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

sensorium/Mozzi#47 · 6 comments · Opened Mar 21, 2018
Mozzi supports atmega16u2 processor? Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

sensorium/Mozzi#33 · Opened Nov 1, 2017
Setting USE_AUDIO_INPUT to true causes NS1 Nanosynth to hang after 10s Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

sensorium/Mozzi#32 · 7 comments · Opened Aug 24, 2017
initializeCPUCycles and FAST error Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

sensorium/Mozzi#23 · 3 comments · Opened Jan 25, 2016
problem using hifi mode with serial communication Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

sensorium/Mozzi#11 · 4 comments · Opened Jul 17, 2013

sensorium/Mozzi

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