{"id":48,"date":"2012-12-04T19:30:01","date_gmt":"2012-12-04T19:30:01","guid":{"rendered":"http:\/\/honza.paws.cz\/?p=48"},"modified":"2013-01-24T19:30:47","modified_gmt":"2013-01-24T19:30:47","slug":"raspberry-pi-2","status":"publish","type":"post","link":"http:\/\/honza.paws.cz\/?p=48","title":{"rendered":"Raspberry Pi"},"content":{"rendered":"<p>Raspberry zat\u00edm \u010dek\u00e1 na svoje vyu\u017eit\u00ed jako pr\u016fmyslov\u00e1 kamera nebo autonomn\u00ed sportovn\u00ed \u010dasom\u00edra. \u010cek\u00e1 se p\u0159edev\u0161\u00edm na elektronick\u00e9 sou\u010d\u00e1stky pot\u0159ebn\u00e9 k nap\u00e1jen\u00ed po\u010d\u00edta\u010de a periferi\u00ed a jejich p\u0159ipojen\u00ed k RPi. V lep\u0161\u00ed n\u00e1vodech napsan\u00fdch lidmi co u\u017e n\u011bco zbastlili b\u00fdvaj\u00ed hodnoty odpor\u016f, diod, potenciometr\u016f, kdy\u017e se ale pod\u00edv\u00e1te do obchodu zjist\u00edte, \u017ee odpor m\u00e1 dal\u0161\u00ed t\u0159i vlastnosti, o kter\u00fdch se u\u017e nikdo nezmi\u0148uje, dal\u0161\u00edm hled\u00e1n\u00edm se doba protahuje a protahuje. Snad b\u011bhem t\u00fddne se\u017eeneme v\u0161e pot\u0159ebn\u00e9, abychom pod strome\u010dkem mohli letovat p\u00e1jkou.<\/p>\n<p>Zat\u00edm jsme ozkou\u0161eli z\u00e1kladn\u00ed v\u011bci, RPi je p\u0159etaktovan\u00e9 na 800 MHz, m\u00e1 v\u0161ak st\u00e1le pomalou odezvu, pokud hodl\u00e1te pou\u017e\u00edta po\u010d\u00edta\u010d pro b\u011b\u017enou pr\u00e1ci a nechcete co chv\u00edli b\u00fdt by\u0165 jen na sekundu zdr\u017eov\u00e1ni, asi s Raspberry nevydr\u017e\u00edte. P\u0159ehr\u00e1v\u00e1n\u00ed filme\u010dku Big Buck Bunny v rozli\u0161en\u00ed 1080p p\u0159es HDMI v televizoru funguje naprosto bez probl\u00e9m\u016f, se zvukem byl probl\u00e9m, \u017ee i po explicitn\u00edm navolen\u00ed v\u00fdstupu v televizoru nebylo ni\u010deho sly\u0161et, pomohla a\u017e volba v\u00fdstupu v <code>omxplayer -o hdmi<\/code>. Nev\u00edm, co za to m\u016f\u017ee, jin\u00e9 programy jsem nezkou\u0161el. Zvl\u00e1d\u00e1 i bezdr\u00e1tov\u00e9 p\u0159ipojen\u00ed, bohu\u017eel nab\u00edje\u010dka na telefon d\u00e1v\u00e1 jen 700 mA a tak se Raspberry restartuje p\u0159i zasunut\u00ed \u017erav\u00e9ho USB dongle. D\u00e1le nem\u00e1m vyzkou\u0161eno, ale mysl\u00edm, \u017ee by nebyl probl\u00e9m po instalaci XBMC a zapojen\u00ed do USB na televizoru provozovat RPi jako HTPC, pokud se \u010dlov\u011bk obejde bez bleskurychl\u00e9 reakce, zato z\u00edsk\u00e1 n\u00edzkou spot\u0159ebu a univerz\u00e1lnost linuxov\u00e9ho stroje.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Raspberry zat\u00edm \u010dek\u00e1 na svoje vyu\u017eit\u00ed jako pr\u016fmyslov\u00e1 kamera nebo autonomn\u00ed sportovn\u00ed \u010dasom\u00edra. \u010cek\u00e1 se p\u0159edev\u0161\u00edm na elektronick\u00e9 sou\u010d\u00e1stky pot\u0159ebn\u00e9 k nap\u00e1jen\u00ed po\u010d\u00edta\u010de a periferi\u00ed a jejich p\u0159ipojen\u00ed k RPi. V lep\u0161\u00ed n\u00e1vodech napsan\u00fdch lidmi co u\u017e n\u011bco zbastlili b\u00fdvaj\u00ed hodnoty odpor\u016f, diod, potenciometr\u016f, kdy\u017e se ale pod\u00edv\u00e1te do obchodu zjist\u00edte, \u017ee odpor m\u00e1 dal\u0161\u00ed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"http:\/\/honza.paws.cz\/index.php?rest_route=\/wp\/v2\/posts\/48"}],"collection":[{"href":"http:\/\/honza.paws.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/honza.paws.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/honza.paws.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/honza.paws.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=48"}],"version-history":[{"count":1,"href":"http:\/\/honza.paws.cz\/index.php?rest_route=\/wp\/v2\/posts\/48\/revisions"}],"predecessor-version":[{"id":49,"href":"http:\/\/honza.paws.cz\/index.php?rest_route=\/wp\/v2\/posts\/48\/revisions\/49"}],"wp:attachment":[{"href":"http:\/\/honza.paws.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=48"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/honza.paws.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=48"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/honza.paws.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}