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...To use VitOS on your Raspberry Pi 4 Model B (1/2/4/8GB version), just download the image file and write to the micro SD card with dd or other applications. Then plug in the micro SD card to your Raspberry Pi4. You can use iOS app and Android app named "VitOS Manager" to manage the VitOS.
VitOS V1.0 supports USB DAC as audio output device. You can connect your USB DAC to the USB port on your RPi4 board. With VitOS Manager, you are able to install Roon Bridge to the VitOS. Then you can discover the RPi4 board with Roon apps and play music.
...Added avahi-autoip to assign link local address when no DHCP server available (allow direct control with a PC without local network). Updated openssl. Please note that pigpiod may conflict with clock peripheral. When i2s-DAC available( pigpiod uses PWM). Else, PCM is used
Default pins:
IR/LED Module
IR Out: GPIO 17 | Pin 11
Report to IR Receiver Model Specs
LED1 : GPIO 27 | Pin 13
LED2 : GPIO 22 | Pin 15
Rotary Encoder Module:
PEC12 A : GPIO23 | Pin 16
PEC12 B : GPIO 24 | Pin 18
PEC12 1 : GPIO 25 | Pin 22
LED1 Always ON
LED2 ON when PLAY
Pins can be changed in /home/volumio/script.volumio.service/addons.py
MicroSD cards need to be expanded