{"id":89,"date":"2014-12-21T09:00:39","date_gmt":"2014-12-21T09:00:39","guid":{"rendered":"http:\/\/alain.fi\/?p=89"},"modified":"2019-07-30T04:00:53","modified_gmt":"2019-07-30T04:00:53","slug":"raspberry-pi-433mhz-radio","status":"publish","type":"post","link":"https:\/\/alain.fi\/?p=89","title":{"rendered":"Raspberry Pi &#8211; 433MHz radio"},"content":{"rendered":"<p>This:<br \/>\nhttp:\/\/shop.ninjablocks.com\/blogs\/how-to\/7506204-adding-433-to-your-raspberry-pi<\/p>\n<p>and:<br \/>\nhttp:\/\/www.disk91.com\/2013\/technology\/hardware\/raspberry-pi-receive-433mhz-radio-signal\/<\/p>\n<p>if the receiver needs 5v, remember the nice 5v-&gt;3.3v circuit:<br \/>\nhttp:\/\/www.disk91.com\/2013\/technology\/hardware\/oregon-scientific-sensors-with-raspberry-pi\/<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1148 size-full\" src=\"http:\/\/www.disk91.com\/wp-content\/uploads\/2013\/10\/photo2.jpg\" alt=\"photo(2)\" width=\"320\" height=\"186\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>Basically just install wiringPi, then the 433utils:<\/p>\n<p>root@rpi02:~# git clone git:\/\/github.com\/ninjablocks\/433Utils.git<br \/>\nCloning into &#8216;433Utils&#8217;&#8230;<br \/>\nremote: Counting objects: 129, done.<br \/>\nremote: Total 129 (delta 0), reused 0 (delta 0)<br \/>\nReceiving objects: 100% (129\/129), 28.02 KiB, done.<br \/>\nResolving deltas: 100% (55\/55), done.<br \/>\nroot@rpi02:~# cd 433Utils\/RPi_utils<br \/>\nroot@rpi02:~\/433Utils\/RPi_utils# make<br \/>\ng++\u00a0\u00a0\u00a0 -c -o RCSwitch.o RCSwitch.cpp<br \/>\ng++\u00a0\u00a0\u00a0 -c -o send.o send.cpp<br \/>\ng++\u00a0\u00a0 RCSwitch.o send.o -o send -lwiringPi<br \/>\ng++\u00a0\u00a0\u00a0 -c -o codesend.o codesend.cpp<br \/>\ng++\u00a0\u00a0 RCSwitch.o codesend.o -o codesend -lwiringPi<br \/>\ng++\u00a0\u00a0\u00a0 -c -o RFSniffer.o RFSniffer.cpp<br \/>\ng++\u00a0\u00a0 RCSwitch.o RFSniffer.o -o RFSniffer -lwiringPi<br \/>\nroot@rpi02:~\/433Utils\/RPi_utils#<\/p>\n<p>Then transmit something over 433MHz (car key,\u00a0 electric socket remote control..)<\/p>\n<p>And run the thing:<\/p>\n<p>root@rpi02:~\/433Utils\/RPi_utils# .\/RFSniffer<\/p>\n<p>Try also with the transmitter.<\/p>\n<p>I can see lights blinking, but RFSniffer doesnt show anything.<\/p>\n<p>Trying to see what is happening on the pins at lower level with this:<br \/>\nhttp:\/\/abyz.co.uk\/rpi\/pigpio\/piscope.html<\/p>\n<p>pigpiod should be installed first.<\/p>\n<p>piscope is GREAT!<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This: http:\/\/shop.ninjablocks.com\/blogs\/how-to\/7506204-adding-433-to-your-raspberry-pi and: http:\/\/www.disk91.com\/2013\/technology\/hardware\/raspberry-pi-receive-433mhz-radio-signal\/ if the receiver needs 5v, remember the nice 5v-&gt;3.3v circuit: http:\/\/www.disk91.com\/2013\/technology\/hardware\/oregon-scientific-sensors-with-raspberry-pi\/ &nbsp; Basically just install wiringPi, then the 433utils: root@rpi02:~# git clone git:\/\/github.com\/ninjablocks\/433Utils.git Cloning into &#8216;433Utils&#8217;&#8230; remote: Counting objects: 129, done. remote: Total 129 (delta 0), &hellip; <a href=\"https:\/\/alain.fi\/?p=89\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-89","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/alain.fi\/index.php?rest_route=\/wp\/v2\/posts\/89","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alain.fi\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alain.fi\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alain.fi\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alain.fi\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=89"}],"version-history":[{"count":6,"href":"https:\/\/alain.fi\/index.php?rest_route=\/wp\/v2\/posts\/89\/revisions"}],"predecessor-version":[{"id":104,"href":"https:\/\/alain.fi\/index.php?rest_route=\/wp\/v2\/posts\/89\/revisions\/104"}],"wp:attachment":[{"href":"https:\/\/alain.fi\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=89"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alain.fi\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=89"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alain.fi\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=89"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}