59 ODROID-XU4 USER MANUALThe image above shows both the assembly and the QT-basedapplication’s user-interface displaying the real-time weather data.DC Plug Cable Assembly 5.5mmThe DC Plug cable accessory, shown below, is typically usedto provide power to the XU4 using a special purpose power supply.These power supplies could include bench-top models or Hardkernel’sSmartPower. Ensure that the power supply provides clean power, rat-ed at 5V, 2.0+ Amps. Use the cable colors to ensure polarities matchat either end.DC plug cable assemblyUSB Audio AdapterAttach the USB-powered audio adapter to the XU4. After a fewmoments, check to see if the device is detected:$ lsusb…Bus 002 Device 002: ID 0d8c:000c C-Media Electronics, Inc. AudioAdapterUSB audio adapter with USB-powered speakersThis adapter is based on the CM108AH single-chip USB audiosolution, and is capable of stereo output and includes the dual DAC/headphone amplifier, ADC, microphone booster, PLL, regulator, andUSB transceiver. While the setup can be tested with headphones con-Chapter 4