{"id":1520,"date":"2014-10-18T17:42:33","date_gmt":"2014-10-18T15:42:33","guid":{"rendered":"http:\/\/labalec.fr\/erwan\/?p=1520"},"modified":"2014-10-18T18:22:26","modified_gmt":"2014-10-18T16:22:26","slug":"arduino-cheap-rf433-temperature-sensor-oregon-2-1-compatible-using-an-attiny85","status":"publish","type":"post","link":"https:\/\/labalec.fr\/erwan\/?p=1520","title":{"rendered":"Arduino : cheap rf433 temperature sensor (oregon 2.1 compatible) using an ATTINY85"},"content":{"rendered":"<p>In a <a href=\"https:\/\/labalec.fr\/erwan\/?p=1489\" target=\"_blank\">previous article<\/a>, we had use an Arduino + RF433 chip + DS28B20 to come up with a cheap temperature sensor.<\/p>\n<p>We are going to improve the setup by replacing the Arduino Pro mini by an ATTINY85.<br \/>\nSee <a href=\"https:\/\/labalec.fr\/erwan\/?p=1508\" target=\"_blank\">here<\/a> on how to flash an ATTINY85.<\/p>\n<p>See <a href=\"https:\/\/labalec.fr\/erwan\/wp-content\/uploads\/2014\/10\/rf433_sendOOK_at85.txt\" target=\"&quot;_blank\">rf433_sendOOK_at85<\/a> for the code.<\/p>\n<p>Note that power consumption will be as low as 0.005ma (5ua) with a peak at 18ma when reading temp.<\/p>\n<p>See below a revised wiring replacing the Arduino by an ATTINY85.<\/p>\n<p><a href=\"https:\/\/labalec.fr\/erwan\/wp-content\/uploads\/2014\/10\/tx_ds18b20_v3_bb.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1521\" src=\"https:\/\/labalec.fr\/erwan\/wp-content\/uploads\/2014\/10\/tx_ds18b20_v3_bb-300x270.png\" alt=\"tx_ds18b20_v3_bb\" width=\"300\" height=\"270\" srcset=\"https:\/\/labalec.fr\/erwan\/wp-content\/uploads\/2014\/10\/tx_ds18b20_v3_bb-300x270.png 300w, https:\/\/labalec.fr\/erwan\/wp-content\/uploads\/2014\/10\/tx_ds18b20_v3_bb.png 618w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In a previous article, we had use an Arduino + RF433 chip + DS28B20 to come up with a cheap temperature sensor. We are going to improve the setup by replacing the Arduino Pro mini by an ATTINY85. See here on how to flash an ATTINY85. See rf433_sendOOK_at85 for the code. Note that power consumption <a href='https:\/\/labalec.fr\/erwan\/?p=1520' class='excerpt-more'>[&#8230;]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-1520","post","type-post","status-publish","format-standard","hentry","category-arduino","category-18-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"_links":{"self":[{"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=\/wp\/v2\/posts\/1520","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1520"}],"version-history":[{"count":3,"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=\/wp\/v2\/posts\/1520\/revisions"}],"predecessor-version":[{"id":1525,"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=\/wp\/v2\/posts\/1520\/revisions\/1525"}],"wp:attachment":[{"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1520"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/labalec.fr\/erwan\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}