Bob Rathbone on Twitter: "This is smallest radio that I have yet built. It was built using a Raspberry Pi Zero, an IQAudio Cosmic Controller (3 buttons, rotary encoder and OLED display)
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Amazon.com: RASPIAUDIO Audio DAC Hat Sound Card (Audio+V2) for Raspberry PI4 All Models Pi Zero / Pi3 / Pi3B / Pi3B+ / Pi2 / Better Quality Than USB : Everything Else
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