To further improve the PiRadio I created a PCB which addresses all components used and makes the cabling easier.

The PCB handles the power circuit based on the PowerBoost 1000C with the possibility to power-on/shutdown the Raspberry Pi with a simple button press (see and voltage monitoring of the battery (see The battery state is available by two leds.

Additionally the DAC Pins, the WS2812B LEDs Pins and the Button Pins can be connected directly.