{"id":19,"date":"2005-10-10T13:49:21","date_gmt":"2005-10-10T21:49:21","guid":{"rendered":"http:\/\/www.11h.net\/blog\/?p=19"},"modified":"2005-10-10T13:49:21","modified_gmt":"2005-10-10T21:49:21","slug":"1-wire-security-system","status":"publish","type":"post","link":"https:\/\/11h.net\/blog\/1-wire-security-system\/","title":{"rendered":"1-wire security system"},"content":{"rendered":"<p>While I was on vacation I kept panicking, thinking that something or someone would cause harm to my home. I\u2019ve got a server that is capable of sending text messages (SMS) to my mobile phone using my providers web interface\u2026<\/p>\n<p>So\u2026<\/p>\n<p>Why couldn\u2019t I set up a security system using a few 1-wire sensors installed in a PIR \u201csecurity??? motion sensor light? The logic to run the PIR sensor is TTL\u2026 When motion is detected it causes a data line to go high. Couldn\u2019t a 1-wire device read that high input as an alarm?<\/p>\n<p>Here are some thoughts\u2026<br \/>\nACE hardware ACE hardware <a href=\"http:\/\/www.acehardware.com\/product\/index.jsp?productId=1286908&#038;cp=&#038;keywords=motion&#038;searchId=5407721362&#038;parentPage=search\">Par Lamp Motion Sensor<\/a>; chosen becayse it is the cheapest PIR sensor I could find.<\/p>\n<p>DS2720 using the Power-Switch Sense input; chosen because it was the cheapest \u201csensor.???<br \/>\nSet the 1-wire controller or TINI to poll the DS2720 at a set interval to check to see if there is motion.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Using cheap PIR motion sensors attached to a 1-wire network to create a security system <a href=\"https:\/\/11h.net\/blog\/1-wire-security-system\/\">&#8230;<\/p>\n<p>[Continue reading]<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/11h.net\/blog\/wp-json\/wp\/v2\/posts\/19"}],"collection":[{"href":"https:\/\/11h.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/11h.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/11h.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/11h.net\/blog\/wp-json\/wp\/v2\/comments?post=19"}],"version-history":[{"count":0,"href":"https:\/\/11h.net\/blog\/wp-json\/wp\/v2\/posts\/19\/revisions"}],"wp:attachment":[{"href":"https:\/\/11h.net\/blog\/wp-json\/wp\/v2\/media?parent=19"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/11h.net\/blog\/wp-json\/wp\/v2\/categories?post=19"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/11h.net\/blog\/wp-json\/wp\/v2\/tags?post=19"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}