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    "data": {
        "title": "2.2_TFT(English)",
        "rev_id": 798,
        "updated_at": "2015-08-07T07:20:11+00:00",
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            {
                "title": "2.2_TFT(English)",
                "rev_id": 798,
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                "content": "# 2.2 TFT(English)",
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            {
                "title": "2.2_TFT(English)",
                "rev_id": 798,
                "heading_path": "Description",
                "chunk_index": 1,
                "content": "The cute TFT display module got even more adorable with this little primary display for Raspberry Pi.It features a 2.2' display with 320x240 16-bit color pixels.the cute pi display module refresh it's screen rapidly because the TFT module communicate with raspberryPi in a high speed SPI interface ,this PiTFT module can be used as Xwindow port ,displaying images or video etc. it plugs right in on top of your Model A+ , B+ or Pi2 and fits into our case quite nicely. <img src=\"TFT22_show01.jpg\" title=\"TFT22_show01.jpg\" width=\"800\" alt=\"TFT22_show01.jpg\" \/>",
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            {
                "title": "2.2_TFT(English)",
                "rev_id": 798,
                "heading_path": "Technical Details",
                "chunk_index": 2,
                "content": "|       type        |           value            |\n|:-----------------:|:--------------------------:|\n|   product name    | RPI_2.2'TFT Display Module |\n| character number  |          320×240           |\n|   screen scale    |            2.2'            |\n|   refresh rate    |          \\>20fps           |\n|      weight       |           23.9g            |\n|   module scale    |        66x57x12(mm)        |\n|   connect port    |   2\\*20 Stacking Header    |\n| control interface |            SPI             |\n|   work voltage    |             5V             |",
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            {
                "title": "2.2_TFT(English)",
                "rev_id": 798,
                "heading_path": "Overview",
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                "content": "<img src=\"TFT22_show02.jpg\" title=\"TFT22_show02.jpg\" width=\"800\" alt=\"TFT22_show02.jpg\" \/>\n<img src=\"TFT22_show03.jpg\" title=\"TFT22_show03.jpg\" width=\"800\" alt=\"TFT22_show03.jpg\" \/>\n<img src=\"2.2TFT04show.JPG\" title=\"2.2TFT04show.JPG\" width=\"800\" alt=\"2.2TFT04show.JPG\" \/>\n<img src=\"TFT22_show05.jpg\" title=\"TFT22_show05.jpg\" width=\"800\" alt=\"TFT22_show05.jpg\" \/>\n<img src=\"TFT22_show06.jpg\" title=\"TFT22_show06.jpg\" width=\"800\" alt=\"TFT22_show06.jpg\" \/>\n<img src=\"2.2TFT_show06.JPG\" title=\"2.2TFT_show06.JPG\" width=\"800\" alt=\"2.2TFT_show06.JPG\" \/>\n<img src=\"TFT22_show07.jpg\" title=\"TFT22_show07.jpg\" width=\"800\" alt=\"TFT22_show07.jpg\" \/>",
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            {
                "title": "2.2_TFT(English)",
                "rev_id": 798,
                "heading_path": "Learn > Screen",
                "chunk_index": 4,
                "content": "-   If it's the first time for you to use this LCD module , please download the device driver for Raspberry Pi ,you can download the file from the following link <http:\/\/www.52pi.net\/forum.php?mod=viewthread&tid=1363&highlight=rtc>\n-   If you are done download the device driver ,copy and past them into 'pi' folder in Raspberry Pi\n\n<img src=\"2.2TFT_tech1.png\" title=\"2.2TFT_tech1.png\" width=\"800\" alt=\"2.2TFT_tech1.png\" \/>\n\n-   type`sudo tar -jxpvf TFT-stable-Build-20150424.tar.bz2 -C` to extract the device driver file\n\n<img src=\"2.2TFT_tech3.png\" title=\"2.2TFT_tech3.png\" width=\"800\" alt=\"2.2TFT_tech3.png\" \/>\n\n-   modify modules file in \/etc folder ,you can type `sudo vim.tiny \/etc\/modules` to open this file.To modify the file you should follow the picture beside\n\n`fbtft dma` `fbtft_device name=rpi-display rotate=270 speed=64000000 gpios=dc:24,reset:23,led:18`\n<img src=\"2.2TFT_tech5.png\" title=\"2.2TFT_tech5.png\" width=\"800\" alt=\"2.2TFT_tech5.png\" \/>\n<img src=\"2.2TFT_tech6.png\" title=\"2.2TFT_tech6.png\" width=\"800\" alt=\"2.2TFT_tech6.png\" \/>\n\n-   If you have finished above step ,then ,reboot the Raspberry Pi,and now you will see the reboot details is on the screen",
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            {
                "title": "2.2_TFT(English)",
                "rev_id": 798,
                "heading_path": "Learn > Keyboard",
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                "content": "-   It is easy to setup the keyboard,first you should install evtest to detect the keyboard\n-   modify modules file in \/etc folder like following picture ,just add code\n\n`gpio_keys_device pulldown active_low=0 keys=26:103,21:108,20:105,16:106`\n<img src=\"2.2TFT_tech4.png\" title=\"2.2TFT_tech4.png\" width=\"800\" alt=\"2.2TFT_tech4.png\" \/>\n<img src=\"2.2TFT_tech8.png\" title=\"2.2TFT_tech8.png\" width=\"800\" alt=\"2.2TFT_tech8.png\" \/>\n<img src=\"2.2TFT_tech9.png\" title=\"2.2TFT_tech9.png\" width=\"800\" alt=\"2.2TFT_tech9.png\" \/>\n\n-   Then, reboot the system,type `sudo evtest`to initiate the program,type`0`to set test mode.Then,you press buttom on Pi TFT Module,the test information will printed in the screen\n\n<img src=\"2.2TFT_tech11.png\" title=\"2.2TFT_tech11.png\" width=\"800\" alt=\"2.2TFT_tech11.png\" \/>\n<img src=\"2.2TFT_tech12.png\" title=\"2.2TFT_tech12.png\" width=\"800\" alt=\"2.2TFT_tech12.png\" \/>\n<img src=\"2.2TFT_tech13.JPG\" title=\"2.2TFT_tech13.JPG\" width=\"800\" alt=\"2.2TFT_tech13.JPG\" \/>",
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