{"id":1793,"date":"2017-08-24T00:47:06","date_gmt":"2017-08-23T22:47:06","guid":{"rendered":"https:\/\/stls.eu\/blog\/?p=1793"},"modified":"2017-08-24T02:35:50","modified_gmt":"2017-08-24T00:35:50","slug":"raspberry-pi-1-wire-sensor","status":"publish","type":"post","link":"https:\/\/stls.eu\/blog\/2017\/08\/24\/raspberry-pi-1-wire-sensor\/","title":{"rendered":"Raspberry Pi 1-Wire Sensor"},"content":{"rendered":"<p>enable 1-Wire<\/p>\n<pre>sudo raspi-config<\/pre>\n<p>5 Interfacing Options -> P7 1-Wire -> enable<\/p>\n<p>connect your 1-Wire device (here DS18b20)<br \/>\nPin 1 (black) GND<br \/>\nPin 2 (yellow) DATA (RPi GPIO 4 \/ Pin 7)<br \/>\nPin 3 (red) VCC(+3.3V)<br \/>\nConnect Pin 2 &#038; Pin 3 with 4,7 kOhm resistor (<a href=\"https:\/\/www.raspiprojekt.de\/machen\/basics\/schaltungen\/9-1wire-mit-temperatursensor-ds18b20.html?showall=&#038;start=1\">compare<\/a>)<\/p>\n<p>search for your device<\/p>\n<pre>ls \/sys\/bus\/w1\/devices\/<\/pre>\n<p>e.g. 28-041650c7e4ff<\/p>\n<p>get sensor value<\/p>\n<pre>temparray=($(cat \/sys\/bus\/w1\/devices\/28-041650c7e4ff\/w1_slave)) && echo ${temparray[21]} | cut -c3-7<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>enable 1-Wire sudo raspi-config 5 Interfacing Options -> P7 1-Wire -> enable connect your 1-Wire device (here DS18b20) Pin 1 (black) GND Pin 2 (yellow) DATA (RPi GPIO 4 \/ Pin 7) Pin 3 (red) VCC(+3.3V) Connect Pin 2 &#038; &hellip; <a href=\"https:\/\/stls.eu\/blog\/2017\/08\/24\/raspberry-pi-1-wire-sensor\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[],"class_list":["post-1793","post","type-post","status-publish","format-standard","hentry","category-raspberrypi"],"_links":{"self":[{"href":"https:\/\/stls.eu\/blog\/wp-json\/wp\/v2\/posts\/1793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stls.eu\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stls.eu\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stls.eu\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/stls.eu\/blog\/wp-json\/wp\/v2\/comments?post=1793"}],"version-history":[{"count":2,"href":"https:\/\/stls.eu\/blog\/wp-json\/wp\/v2\/posts\/1793\/revisions"}],"predecessor-version":[{"id":1795,"href":"https:\/\/stls.eu\/blog\/wp-json\/wp\/v2\/posts\/1793\/revisions\/1795"}],"wp:attachment":[{"href":"https:\/\/stls.eu\/blog\/wp-json\/wp\/v2\/media?parent=1793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stls.eu\/blog\/wp-json\/wp\/v2\/categories?post=1793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stls.eu\/blog\/wp-json\/wp\/v2\/tags?post=1793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}