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The PLabs Player is a DIY all-in-one audio appliance based on an inexpensive thin-client PC running Voyage Linux . The device is controlled by touch buttons, volume knob and LCD. No monitor/other PC needed.
The device is turned off/on by the PC power button configured to suspend to RAM/resume. The root filesystem on the CF card is mounted read-only to avoid file corruption at abrupt poweroff and to maintain the CF card lifetime.
For now the device has no remote control.
- Thin-Client PC Futro S450/550 fitted with:
- Class-T Amplifier TK2050 (powered by another PSU) <- internal soundcard line-out -> Speaker delay circuit -> speaker terminals
- Slimline CD/DVD drive with SATA(IDE)/USB adapter -> internal USB header
- 1.8" 160x128 TFT LCD -> Arduino SPI
- 4 Touch Buttons for control -> TTP224 board -> Arduino digital pins
- Volume Pot -> Arduino analog input
- Arduino -> Serial port -> MAX3232 adapters -> RS232 port internal header
- 3.3V <-> RS232 Converter
- Speaker Delay Circuit
- External Relay-Activated Power Supply for the Amp