{"id":89,"date":"2018-11-22T11:44:26","date_gmt":"2018-11-22T11:44:26","guid":{"rendered":"http:\/\/raisanen.org\/?page_id=89"},"modified":"2019-05-14T19:51:12","modified_gmt":"2019-05-14T19:51:12","slug":"3-led-ohjaus","status":"publish","type":"page","link":"http:\/\/raisanen.org\/?page_id=89","title":{"rendered":"3. Led-ohjaus"},"content":{"rendered":"<p>Jatkoksi ensimm\u00e4iseen Python-ohjelmaan, jossa k\u00e4ytet\u00e4\u00e4n GPIO-inputtia, jatkamme harjoitusta ohjaamalla INPUTin tiedolla OUTPUTiksi m\u00e4\u00e4ritelt\u00e4v\u00e4\u00e4 GPIO-pinni\u00e4.<\/p>\n<p>Tee alla olevan kuvan mukainen kytkent\u00e4 eli lis\u00e4\u00e4 led ja sen ohjaus. Tarvitset:<\/p>\n<ul>\n<li>100\u03a9 vastuksen<\/li>\n<li>lis\u00e4\u00e4 kytkent\u00e4lankoja<\/li>\n<li>ledin<\/li>\n<\/ul>\n<p><a href=\"http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/teht\u00e4v\u00e43_ledvilkku_bb.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-145\" src=\"http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/teht\u00e4v\u00e43_ledvilkku_bb-1024x812.png\" alt=\"\" width=\"870\" height=\"690\" srcset=\"http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/teht\u00e4v\u00e43_ledvilkku_bb-1024x812.png 1024w, http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/teht\u00e4v\u00e43_ledvilkku_bb-300x238.png 300w, http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/teht\u00e4v\u00e43_ledvilkku_bb-768x609.png 768w, http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/teht\u00e4v\u00e43_ledvilkku_bb.png 1755w\" sizes=\"auto, (max-width: 870px) 100vw, 870px\" \/><\/a><\/p>\n<p>Piirikaaviona OUTPUT-kytkent\u00e4 ledille n\u00e4ytt\u00e4\u00e4 t\u00e4lt\u00e4.<\/p>\n<p><a href=\"http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/kuva3-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-143\" src=\"http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/kuva3-1.png\" alt=\"\" width=\"169\" height=\"437\" srcset=\"http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/kuva3-1.png 169w, http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/kuva3-1-116x300.png 116w\" sizes=\"auto, (max-width: 169px) 100vw, 169px\" \/><\/a><\/p>\n<p>Tehd\u00e4\u00e4n ohjelma. Avaa terminaali ja siirry kansioon Python-ohjelmat. Suorita komento:<\/p>\n<pre>sudo nano ledvilkku.py<\/pre>\n<p>Kirjoita alla oleva koodi<\/p>\n<p><a href=\"http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/kuva3-2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-144\" src=\"http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/kuva3-2.png\" alt=\"\" width=\"639\" height=\"608\" srcset=\"http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/kuva3-2.png 639w, http:\/\/raisanen.org\/wp-content\/uploads\/2019\/05\/kuva3-2-300x285.png 300w\" sizes=\"auto, (max-width: 639px) 100vw, 639px\" \/><\/a><\/p>\n<p>Kirjoitettuasi ohjelman tallenna se ctrl+o ja paina enteri\u00e4 kun nano kysyy vahvistusta tiedostonimelle\u00a0<em>File Name to Write: ledvilkku.py<\/em><\/p>\n<p>Voit poistua ohjelmasta ctrl+x.<\/p>\n<p>Kokeillaan ohjelman ajamista antamalla Terminalissa komento<\/p>\n<pre>sudo python ledvilkku.py<\/pre>\n<p>Testaa nappia painamalla miten ohjelma toimii.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jatkoksi ensimm\u00e4iseen Python-ohjelmaan, jossa k\u00e4ytet\u00e4\u00e4n GPIO-inputtia, jatkamme harjoitusta ohjaamalla INPUTin tiedolla OUTPUTiksi m\u00e4\u00e4ritelt\u00e4v\u00e4\u00e4 GPIO-pinni\u00e4. Tee alla olevan kuvan mukainen kytkent\u00e4<\/p>\n<p class=\"readmore\"><a href=\"http:\/\/raisanen.org\/?page_id=89\" title=\"Read 3. Led-ohjaus\">Read more &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":83,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-89","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/raisanen.org\/index.php?rest_route=\/wp\/v2\/pages\/89","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/raisanen.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/raisanen.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/raisanen.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/raisanen.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=89"}],"version-history":[{"count":3,"href":"http:\/\/raisanen.org\/index.php?rest_route=\/wp\/v2\/pages\/89\/revisions"}],"predecessor-version":[{"id":182,"href":"http:\/\/raisanen.org\/index.php?rest_route=\/wp\/v2\/pages\/89\/revisions\/182"}],"up":[{"embeddable":true,"href":"http:\/\/raisanen.org\/index.php?rest_route=\/wp\/v2\/pages\/83"}],"wp:attachment":[{"href":"http:\/\/raisanen.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=89"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}