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        "title": "X400_SKU:_EZ-0044",
        "rev_id": 1870,
        "updated_at": "2016-10-18T04:40:21+00:00",
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                "title": "X400_SKU:_EZ-0044",
                "rev_id": 1870,
                "heading_path": "",
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                "content": "# X400 SKU: EZ-0044\n\n1. X400 EXPANSION BOARD\n[left|300px](\/docs\/File:X400 860p 1.jpg)\n<br style=\"clear:both;\">\n----",
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                "title": "X400_SKU:_EZ-0044",
                "rev_id": 1870,
                "heading_path": "Features",
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                "content": "{| class=\"wikitable\"\n!Paramater !! Values\n|-\n|Input Voltage\t || 6V to 24Vdc converted to 5V, 3A via step-down DC\/DC converter to power the Raspberry Pi\n|-\n|Audio ||\n - Full-HD audio – up to 24-bit\/192kHz playback\n - Class leading audio; 112db SNR, and THD of 0.0019%\n - Audiophile TI Burr Brown 32-bit\/384kHz DAC (TI PCM5122)\n - Uses the digital I2S audio signals to reduce CPU load over USB audio solutions\n - Integrated hardware volume control\n - Mute can be enabled \/ disabled via jumper\n - Built in High quality audio headphone amplifier (TI TPA6133A)\n - Earphone AMP can be enabled \/ disabled via jumper\n - Built in High quality Class-D stereo audio amplifier (TI TPA3118D2)\n - Up to 2 x 20W into 4 ohm\n - AMP can be enabled \/ disabled via jumper\n - Phono\/RCA connectors\n - 3.5mm stereo audio jack\n - Speaker terminals\n|-\n|Wireless\t || Built in IR sensor (38KHz)\n|-\n|Misc ||\n - Power output socket\n - DIP switch to remove connection from RPi’s pin header\n - Directly connected on top of the Raspberry Pi using the board GPIO header pins\n - No wiring nor soldering is required\n - Duplicated the 40-pin header of the R-Pi in order to support existing expansion boards",
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                "title": "X400_SKU:_EZ-0044",
                "rev_id": 1870,
                "heading_path": "Features",
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                "content": "- Suitable for Raspberry Pi Model B+, Raspberry Pi 2 Model B and Raspberry Pi 3 Model B NEW!\n|-\n|Dimensions\t ||  85 x 56mm (Same size as Raspberry Pi)\n|}\n{|-\n|[left|300px](\/docs\/File:X400 drawing.png)\n|[none|300px](\/docs\/File:X400 860p 2.jpg)\n|[none|300px](\/docs\/File:X400 860p 2 (1).jpg)\n|}\n<br style=\"clear:both;\">\n----",
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            {
                "title": "X400_SKU:_EZ-0044",
                "rev_id": 1870,
                "heading_path": "PACKING LIST",
                "chunk_index": 3,
                "content": "*1 x X400 expansion board\n*4 x nylon spacers (M3 x 20mm)\n*8 x nylon screws  (M3 x 6mm)\n*2 x jumper links\n----",
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            {
                "title": "X400_SKU:_EZ-0044",
                "rev_id": 1870,
                "heading_path": "QUICK START GUIDE",
                "chunk_index": 4,
                "content": "*A. Fitting the expansion board\n*B. Power supply\n*C. Configuring Raspbian Jessie\n*D. Configuring Volumio (Not support Raspberry Pi 3 temporarily)\n----",
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                "title": "X400_SKU:_EZ-0044",
                "rev_id": 1870,
                "heading_path": "QUICK START GUIDE > A. FITTING THE EXPANSION BOARD",
                "chunk_index": 5,
                "content": "1. Push a screws up through the mounting hole on the underside of the Raspberry Pi and screw the spacer down until it is hand tight\n[left|300px](\/docs\/File:Assembly 275p1.jpg)\n<br style=\"clear:both;\">\n2. Plugs the expansion board straight into your Raspberry Pi B+'s GPIO header and  screw  down\n[left|300px](\/docs\/File:Assembly 275p2.jpg)\n<br style=\"clear:both;\">\n----",
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            {
                "title": "X400_SKU:_EZ-0044",
                "rev_id": 1870,
                "heading_path": "QUICK START GUIDE > B. Power supply",
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                "content": "X400 expansion board supplies the RPi with a regulated +5V through the GPIO header using a 2A poly-resettable (PTC) fuse.\n\nWith the wide voltage input range (6~24vdc), the RPi can be powered from a wide variety of external sources such as batteries, power adapters, solar battery sources, etc.\n\nRecommended Power Adapter : 110~240VAC input, 18 ~ 22VDC 4A output\nDimension of input plug (Unit: mm)\n\n[File:Ds0101.jpg](\/docs\/File:Ds0101.jpg)\n<br style=\"clear:both;\">\n----",
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                "title": "X400_SKU:_EZ-0044",
                "rev_id": 1870,
                "heading_path": "QUICK START GUIDE > C. Configuring Raspbian Jessie",
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                "content": "*RASPBIAN JESSIE\n<pre>\nVersion :            March 2016\nRelease date :       2016-03-18\nKernel version :     4.1\n<\/pre>\n*<1> To ensure that the necessary kernel modules are loaded at boot, ensure your \/boot\/config.txt file has the entry below …\n<code>pi@raspberrypi ~ $  sudo nano \/boot\/config.txt<\/code>\n\n<code>dtoverlay=iqaudio-dacplus<\/code>\n\n[left|300px](\/docs\/File:X400.jpg)\n<br style=\"clear:both;\">\n*<2> You must enable i2C support for the X400 to operate. On the Raspberry Pi check if you have the following file and if so delete the line containing i2c-bcm2708 and sndsoc-pcm512x.\n<code>pi@raspberrypi ~ $   sudo nano \/etc\/modprobe.d\/raspi-blacklist.conf<\/code>\n\nDelete or comment out the lines containing the text below if it exists\n\n<pre>\nblacklist i2c-bcm2708\nblacklist snd-soc-pcm512x\n<\/pre>\n*<3> To ensure that the necessary kernel modules are loaded at boot, ensure your \/etc\/modules file looks the same as below…\n<code>pi@raspberrypi ~ $   sudo nano \/etc\/modules<\/code>",
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                "title": "X400_SKU:_EZ-0044",
                "rev_id": 1870,
                "heading_path": "QUICK START GUIDE > C. Configuring Raspbian Jessie",
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                "content": "<pre>\nsnd_soc_bcm2708\nsnd_soc_bcm2708_i2s\nbcm2708_dmaengine\nsnd_soc_pcm512x\nsnd_soc_iqaudio_dac\n<\/pre>\n[left|300px](\/docs\/File:X4002.jpg)\n<br style=\"clear:both;\">\n*<4> Flush your filesystem changes and reboot the Raspberry Pi\n<code>pi@raspberrypi ~ $   sync <\/code>\n\n<code>pi@raspberrypi ~ $   sudo reboot<\/code>\n\n*<5> Using your mouse to right click the icon of speaker and select \"IQaudioDAC\"\n[left|300px](\/docs\/File:X4003.jpg)\n<br style=\"clear:both;\">\n----",
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            {
                "title": "X400_SKU:_EZ-0044",
                "rev_id": 1870,
                "heading_path": "QUICK START GUIDE > D. Configuring Volumio (Not support Raspberry Pi 3 temporarily)",
                "chunk_index": 9,
                "content": "*Testing the IR remote\n*<6> Installing LIRC\n<code>pi@raspberrypi ~ $   sudo apt-get install lirc<\/code>\n\n*<7> Add the two lines below to \/etc\/modules . This will start the modules up on boot. Pin 8 bellow will be used to take the output from the IR sensor.\n<code>pi@raspberrypi ~ $   sudo nano \/etc\/modules<\/code>\n\n<pre>\nlirc_dev\nlirc_rpi gpio_in_pin=17\n<\/pre>\n[left|300px](\/docs\/File:X4004.jpg)\n<br style=\"clear:both;\">\n*<8> Save your changes by pressing Ctrl-x then Y\n*<9> If you are using 3.18.x RaspberryPi firmware you must modify one additional file for the lirc-rpi kernel extension to be loaded:\nEdit your \/boot\/config.txt file\n\n<code>pi@raspberrypi ~ $   sudo nano  \/boot\/config.txt<\/code>\n\nand add:\n\n<code>dtoverlay=lirc-rpi,gpio_in_pin=17<\/code>\n\n[left|300px](\/docs\/File:X4005.jpg)\n<br style=\"clear:both;\">\n*<10> Edit \/etc\/lirc\/hardware.conf and have it appear exactly as shown below.\n<code>pi@raspberrypi ~ $   sudo nano \/etc\/lirc\/hardware.conf<\/code>",
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                "title": "X400_SKU:_EZ-0044",
                "rev_id": 1870,
                "heading_path": "QUICK START GUIDE > D. Configuring Volumio (Not support Raspberry Pi 3 temporarily)",
                "chunk_index": 10,
                "content": "<pre>\n1. \/etc\/lirc\/hardware.conf\n1. 1. Arguments which will be used when launching lircd\nLIRCD_ARGS=\"--uinput\"\n1. Don't start lircmd even if there seems to be a good config file\n1. START_LIRCMD=false\n1. Don't start irexec, even if a good config file seems to exist.\n1. START_IREXEC=false\n1. Try to load appropriate kernel modules\nLOAD_MODULES=true\n1. Run \"lircd --driver=help\" for a list of supported drivers.\nDRIVER=\"default\"\n1. usually \/dev\/lirc0 is the correct setting for systems using udev\nDEVICE=\"\/dev\/lirc0\"\nMODULES=\"lirc_rpi\"\n1. Default configuration files for your hardware if any\nLIRCD_CONF=\"\"\nLIRCMD_CONF=\"\"\n<\/pre>\n[left|300px](\/docs\/File:X4006.jpg)\n<br style=\"clear:both;\">\n*The highlighted text are the parts that will need changing, though it’s worth checking the rest of the text incase you have a different initial configuration.\n*<11> Save your changes by pressing Ctrl-x then Y\n*<12> Reboot the Raspberry Pi\n<code>pi@raspberrypi ~ $   sudo reboot<\/code>\n\n*<13> Run these two commands to stop lircd and start outputting raw data from the IR receiver:\n<code>pi@raspberrypi ~ $   sudo \/etc\/init.d\/lirc stop <\/code>\n\n<code>pi@raspberrypi ~ $   mode2 -d \/dev\/lirc0<\/code>",
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                "title": "X400_SKU:_EZ-0044",
                "rev_id": 1870,
                "heading_path": "QUICK START GUIDE > D. Configuring Volumio (Not support Raspberry Pi 3 temporarily)",
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                "content": "*<14> Point a remote control at your IR receiver and press some buttons. You should see something like this:\n[left|300px](\/docs\/File:X4007.jpg)\n<br style=\"clear:both;\">\n----",
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                "title": "X400_SKU:_EZ-0044",
                "rev_id": 1870,
                "heading_path": "QUICK START GUIDE > D. CONFIGURING VOLUMIO",
                "chunk_index": 12,
                "content": "*<1> Select the “System” menu\n[left|300px](\/docs\/File:X4008.jpg)\n<br style=\"clear:both;\">\n*<2> Select IQaudIO DAC Plus under “Activate I2S driver”. Then reboot and you’re done.\n[left|300px](\/docs\/File:X4009.jpg)\n<br style=\"clear:both;\">\n----",
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