"all plug and play via USB, no soldering iron needed."
"There is also the world's tiniest 'now playing' OLED screen on the backside where the solar panel was."
"As for open source libs I used pygame for playback, mfrc522, Adafruit CircuitPython for display."
"in the end, and much to my own dismay, I had to rely on Claude to come up with a barebones operation that would work with what I had."
An engineer transformed a retired parking meter into a functional jukebox by installing a Raspberry Pi Zero 2 W and using open-source software. RFID chips on cards select playlists, control volume, pause playback, and inserting a playlist card advances to the next track. A small OLED screen occupies the former solar-panel location to show now-playing information. Playback relies on pygame, mfrc522, and Adafruit CircuitPython libraries, and Spotify streaming necessitated the more powerful Pi Zero 2 W. The meter retains a tactile card slot for physical interaction, and a parking-meter-themed Spotify playlist is available.
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