#!\/bin\/bash\nBTN=$1\nSTATUS=$2\n\nBTN=$(echo $BTN | tr '[:lower:]' '[:upper:]')\nSTATUS=$(echo $STATUS | tr '[:lower:]' '[:upper:]')\n\nDIP_SWITCH=\"DDUUD\" #Change dip switches to match the remote\n\n#hardcoded values\nBTN_A=\"001010101\"\nBTN_B=\"100010101\"\nBTN_C=\"101000101\"\nBTN_D=\"101010001\"\n\nDIP_SWITCH=$(echo $DIP_SWITCH | sed 's\/D\/10\/g' | sed 's\/U\/00\/g')\n\ncase $BTN in\n A )\n BTN=$BTN_A ;;\n B )\n BTN=$BTN_B ;;\n C )\n BTN=$BTN_C ;;\n D )\n BTN=$BTN_D ;;\n * )\n echo \"Please define the button [A-D]\";exit;\nesac\ncase $STATUS in\n ON )\n STATUS=\"0001\" ;;\n OFF )\n STATUS=\"0100\" ;;\n * )\n echo \"Please define the button state [ON\/OFF]\";exit;\nesac\n\nBIN=$(echo $DIP_SWITCH$BTN$STATUS)\nDEC=$((2#$BIN))\n\n#echo $DEC\nsudo \/home\/pi\/codesend $DEC<\/pre>\nAnd to emulate a click, I just call<\/p>\n
.\/RFISend.sh A ON<\/pre>\nControl via web<\/h3>\n
Because the codesend uses wiringpi, it is required to call with sudo.
\nBut if you need to call it from a webserver, it creates some problem, because sudo requires a password.<\/p>\n
So we need to edit visudo, so it doesn’t require a password.
\n(it may not be a secure thing to do, but in my case the webserver is not exposed to the internet, and is only for “at home” use)<\/p>\n
sudo visudo<\/pre>\nAdd the following line to the file.
\n#NOTE: use TAB and not space, except for the last one – after NOPASSWD:<\/p>\n
www-data ALL=(root) NOPASSWD: \/home\/pi\/433Utils\/RPi_utils\/codesend<\/pre>\nSave the file and reboot the Raspberry Pi, and you’re good to go.<\/p>\n
Now the local PHP webserver can call the script with:<\/p>\n
<?php\n shell_exec(\"\/home\/pi\/433Utils\/RPi_utils\/RFISend.sh A ON\");\n?><\/pre>\n","protected":false},"excerpt":{"rendered":"So I have one of these cheap remote controlled outlets, and I just finished my IR remote control project with the Raspberry Pi, so why not try to control these with the Raspberry Pi also? How does it work? The way these outlets work, is you set some dip-switches on the remote, and on the […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[7,9,8],"_links":{"self":[{"href":"https:\/\/npham.dk\/index.php?rest_route=\/wp\/v2\/posts\/34"}],"collection":[{"href":"https:\/\/npham.dk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/npham.dk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/npham.dk\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/npham.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=34"}],"version-history":[{"count":31,"href":"https:\/\/npham.dk\/index.php?rest_route=\/wp\/v2\/posts\/34\/revisions"}],"predecessor-version":[{"id":304,"href":"https:\/\/npham.dk\/index.php?rest_route=\/wp\/v2\/posts\/34\/revisions\/304"}],"wp:attachment":[{"href":"https:\/\/npham.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=34"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/npham.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=34"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/npham.dk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=34"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"Remote](\"\/wp-content\/uploads\/2013\/12\/RemoteControlOutlet.jpg\")
<\/a><\/p>\n