{"id":40295,"date":"2018-11-24T06:35:29","date_gmt":"2018-11-23T21:35:29","guid":{"rendered":"http:\/\/kako.com\/blog\/?p=40295"},"modified":"2018-11-25T07:42:33","modified_gmt":"2018-11-24T22:42:33","slug":"microbit%e3%81%a7%e6%b8%a9%e5%ba%a6%e3%82%bb%e3%83%b3%e3%82%b5tmp102%e3%82%92i2c%e3%81%a7%e7%b9%8b%e3%81%84%e3%81%a7%e6%b8%a9%e5%ba%a6%e8%a8%88%e6%b8%ac%e3%81%97%e3%81%a6%e3%81%bf%e3%81%9f","status":"publish","type":"post","link":"http:\/\/kako.com\/blog\/?p=40295","title":{"rendered":"micro:bit\u3067\u6e29\u5ea6\u30bb\u30f3\u30b5(TMP102)\u3092I2C\u3067\u7e4b\u3044\u3067\u6e29\u5ea6\u8a08\u6e2c\u3057\u3066\u307f\u305f"},"content":{"rendered":"

micro:bit\u3067\u6e29\u5ea6\u30bb\u30f3\u30b5(TMP102)\u3092I2C\u3067\u7e4b\u3044\u3067\u6e29\u5ea6\u8a08\u6e2c\u3057\u3066\u307f\u305f\u3002<\/p>\n

\u6628\u65e5\u306e\u7d9a\u304d<\/a>\u3067\u3001TMP102\u3068\u3044\u3046\u6e29\u5ea6\u30bb\u30f3\u30b5IC\u306e\u30d6\u30ec\u30fc\u30af\u30a2\u30a6\u30c8\u30dc\u30fc\u30c9\u3092\u7e4b\u3044\u3067\u307f\u305f\u3002
\n\"\"<\/a>
\n\"\"<\/a>
\n<\/p>\n

\"\"<\/a><\/p>\n

\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u66f8\u3044\u305f\u3002<\/p>\n

\r\nfrom microbit import display, Image, uart, sleep, i2c, pin19, pin20\r\n\r\ndisplay.show(Image.HAPPY)\r\nuart.init(baudrate=9600, bits=8, parity=None, stop=1)\r\ni2c.init(freq=10000, sda=pin20, scl=pin19)\r\naddr = 0x49\r\nwhile True:\r\n    i2c.write(addr, b'\\x00')\r\n    data1, data2 = i2c.read(addr, 2)\r\n    d = (data1*256+data2)\/16\r\n    if data1 >= 128:\r\n        t1 = (d-4096)*128\/2047\r\n    else:\r\n        t1 = d*128\/2047\r\n    # msg = "result = " + hex(int(d)) + "\\n\\r"\r\n    msg = "Temperature = " + str(t1) + "\\n\\r"\r\n    uart.write(msg)\r\n    sleep(2000)\r\n<\/pre>\n
addr\u3068\u3044\u3046\u5909\u6570\u306f\u3001TMP102\u306eI2C\u30d0\u30b9\u4e0a\u3067\u306e\u30c7\u30d0\u30a4\u30b9\u306e\u30a2\u30c9\u30ec\u30b9\u5024\u3067\u3001ADD0\u3068\u3044\u3046\u30d4\u30f3\u3092High\u306b\u914d\u7dda\u3067\u8a2d\u5b9a\u3057\u305f\u306e\u30670x49\u306b\u3057\u3066\u3044\u308b\u3002
\n(ADD0\u30d4\u30f3\u3092Low\u306b\u3057\u305f\u5834\u5408\u306f\u30010x48\u306b\u306a\u308b\u306e\u3067\u6ce8\u610f\u3002)<\/p>\n
i2c.write\u3067\u3001TMP102\u306e\u30ec\u30b8\u30b9\u30bf\u30a2\u30c9\u30ec\u30b9\u306e0\u756a\u3092\u6307\u5b9a\u3057\u3001\u305d\u306e\u3042\u3068i2c.read\u306716bit(2\u30d0\u30a4\u30c8)\u3092\u8aad\u307f\u51fa\u3059\u3002
\n\u30ec\u30b8\u30b9\u30bf0\u756a\u306b\u306f\u6e29\u5ea6\u306e\u8a08\u6e2c\u5024\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u3053\u308c\u3092\u8aad\u307f\u51fa\u3059\u3053\u3068\u3067\u3001\u6e29\u5ea6\u306e\u8a08\u6e2c\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002
\n\u3042\u3068\u306f\u3001\u30bb\u6c0f\u306e\u2103\u306b\u5408\u308f\u305b\u308b\u8a08\u7b97\u3092\u3057\u3066\u3001msg\u3068\u3044\u3046\u6587\u5b57\u5217\u306b\u5909\u63db\u3057\u3001uart.write\u3067\u30b7\u30ea\u30a2\u30eb\u30dd\u30fc\u30c8\u3067PC\u306b\u51fa\u529b\u3057\u3066\u3044\u308b\u3002
\nmicro:bit\u3068PC\u3068\u306e\u30b7\u30ea\u30a2\u30eb\u901a\u4fe1\u306f\u524d\u306b\u3084\u3063\u3066\u3044\u308b\u306e\u3068\u540c\u3058<\/a>\u3060\u3002<\/p>\n
PC\u306e\u5074\u3067\u306fTeraTerm\u306a\u3069\u306e\u30bf\u30fc\u30df\u30ca\u30eb\u30bd\u30d5\u30c8\u3067\u6e29\u5ea6\u306e\u8a08\u6e2c\u5024\u3092\u53d7\u3051\u53d6\u3063\u3066\u8868\u793a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
micro:bit\u3067\u6e29\u5ea6\u30bb\u30f3\u30b5(TMP102)\u3092I2C\u3067\u7e4b\u3044\u3067\u6e29\u5ea6\u8a08\u6e2c\u3057\u3066\u307f\u305f\u3002 \u6628\u65e5\u306e\u7d9a\u304d\u3067\u3001TMP102\u3068\u3044\u3046\u6e29\u5ea6\u30bb\u30f3\u30b5IC\u306e\u30d6\u30ec\u30fc\u30af\u30a2\u30a6\u30c8\u30dc\u30fc\u30c9\u3092\u7e4b\u3044\u3067\u307f\u305f\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5,14],"tags":[],"_links":{"self":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/40295"}],"collection":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=40295"}],"version-history":[{"count":3,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/40295\/revisions"}],"predecessor-version":[{"id":40306,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/40295\/revisions\/40306"}],"wp:attachment":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=40295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=40295"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=40295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}