nodered rpi-gpio라즈베리파이 제어 예제

 

 

설치할패키지  GPIO 설치

npm install node-red-node-pi-gpio

 

https://flows.nodered.org/node/node-red-node-pi-gpio

node-red-node-pi-gpio

 

gpio  라이트 ON OFF

RPI-GOIO Light ON OFF control

 

[
    {
        "id": "3084325c196ecd52",
        "type": "tab",
        "label": "Rpi-SwiFlow 6",
        "disabled": false,
        "info": "",
        "env": []
    },
    {
        "id": "60fd36521b1d5833",
        "type": "rpi-gpio out",
        "z": "3084325c196ecd52",
        "name": "",
        "pin": "4",
        "set": true,
        "level": "0",
        "freq": "",
        "out": "out",
        "bcm": true,
        "x": 956,
        "y": 449,
        "wires": []
    },
    {
        "id": "81c2bc87c1e50621",
        "type": "comment",
        "z": "3084325c196ecd52",
        "name": "Room Lights",
        "info": "",
        "x": 218,
        "y": 307,
        "wires": []
    },
    {
        "id": "37f094f072954e2e",
        "type": "change",
        "z": "3084325c196ecd52",
        "name": "set timings",
        "rules": [
            {
                "t": "set",
                "p": "lighton",
                "pt": "msg",
                "to": "payload",
                "tot": "msg"
            },
            {
                "t": "set",
                "p": "lightoff",
                "pt": "msg",
                "to": "payload",
                "tot": "msg"
            },
            {
                "t": "set",
                "p": "numberofblinks",
                "pt": "msg",
                "to": "1",
                "tot": "num"
            },
            {
                "t": "set",
                "p": "delaystart",
                "pt": "msg",
                "to": "0",
                "tot": "num"
            }
        ],
        "action": "",
        "property": "",
        "from": "",
        "to": "",
        "reg": false,
        "x": 918,
        "y": 207,
        "wires": [
            [
                "c581c0b1523b8de0",
                "2da1c674c496ed30"
            ]
        ]
    },
    {
        "id": "c581c0b1523b8de0",
        "type": "function",
        "z": "3084325c196ecd52",
        "name": "The Light Show",
        "func": "//get the values of msg.* to var's\nvar numberofblinks = msg.numberofblinks;\nvar light_on_for_ms = msg.lighton;\nvar light_off_for_ms = msg.lightoff;\n\n//how long to wait before starting the light show\nvar time_in_ms_to_wait_before_first_execution = msg.delaystart || 0;\n\n//total run time of light on and light off\nvar time_in_ms_to_wait_between_recursive_setTimeout = (light_on_for_ms + light_off_for_ms);\n\n//set the count to 1\nvar count = 1;\n\nvar tostopit;\n\n//function to count the number of blinks and stop timmer\nfunction blinks() {\n    if (numberofblinks <= count) {\n        //stop the recursive setTimeout\n        clearTimeout(tostopit);\n    } else {\n        count++;\n    }\n}\n\n//function to set payload to true\nfunction payload_true() {\n    //set payload to true\n    msg.payload = true;\n    node.send(msg);\n\n    //display green dot when light is on\n    node.status({fill: 'green', shape: 'dot', text: ' '});\n}\n\n//function to set payload to false\nfunction payload_false() {\n    //set payload to false\n    msg.payload = false;\n    node.send(msg);\n\n    //clear status when payload false\n    node.status({});\n}\n\n//run the light show!!!!\nsetTimeout(function run() {\n    //turn the light on by setting msg.payload to true\n    payload_true();\n\n    //turn the light off by waiting to set the payload to false by the ammount of time light is on\n    setTimeout(payload_false, light_on_for_ms);\n\n    //total ammount of time light can be on or off before it runs again\n    tostopit = setTimeout(run, time_in_ms_to_wait_between_recursive_setTimeout);\n\n    blinks();\n\n}, time_in_ms_to_wait_before_first_execution);\n\nreturn null;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 928,
        "y": 267,
        "wires": [
            [
                "60fd36521b1d5833",
                "ef65fc8fa1c7704f"
            ]
        ]
    },
    {
        "id": "2da1c674c496ed30",
        "type": "debug",
        "z": "3084325c196ecd52",
        "name": "",
        "active": false,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "lighton",
        "x": 1104,
        "y": 182,
        "wires": []
    },
    {
        "id": "140103baba809851",
        "type": "change",
        "z": "3084325c196ecd52",
        "name": "",
        "rules": [
            {
                "t": "set",
                "p": "payload",
                "pt": "msg",
                "to": "(payload*60)*1000",
                "tot": "jsonata"
            }
        ],
        "action": "",
        "property": "",
        "from": "",
        "to": "",
        "reg": false,
        "x": 728,
        "y": 227,
        "wires": [
            [
                "37f094f072954e2e"
            ]
        ]
    },
    {
        "id": "b31d0f602ab49404",
        "type": "ui_slider",
        "z": "3084325c196ecd52",
        "name": "",
        "label": "slider",
        "tooltip": "",
        "group": "2f45f695.6435ba",
        "order": 0,
        "width": 0,
        "height": 0,
        "passthru": true,
        "outs": "all",
        "topic": "",
        "topicType": "str",
        "min": "1",
        "max": "20",
        "step": 1,
        "className": "",
        "x": 197,
        "y": 121,
        "wires": [
            [
                "dc3c5df8a57176c2",
                "7a9adc2dea560539"
            ]
        ]
    },
    {
        "id": "dc3c5df8a57176c2",
        "type": "change",
        "z": "3084325c196ecd52",
        "name": "",
        "rules": [
            {
                "t": "set",
                "p": "slider",
                "pt": "flow",
                "to": "payload",
                "tot": "msg"
            }
        ],
        "action": "",
        "property": "",
        "from": "",
        "to": "",
        "reg": false,
        "x": 389,
        "y": 102,
        "wires": [
            [
                "14afcef11ef43861",
                "f7b20565fb96f3d9"
            ]
        ]
    },
    {
        "id": "06f89716299d976a",
        "type": "ui_switch",
        "z": "3084325c196ecd52",
        "name": "",
        "label": "switch",
        "tooltip": "",
        "group": "2f45f695.6435ba",
        "order": 0,
        "width": 0,
        "height": 0,
        "passthru": true,
        "decouple": "false",
        "topic": "",
        "topicType": "str",
        "style": "",
        "onvalue": "true",
        "onvalueType": "bool",
        "onicon": "",
        "oncolor": "",
        "offvalue": "false",
        "offvalueType": "bool",
        "officon": "",
        "offcolor": "",
        "animate": true,
        "className": "",
        "x": 438,
        "y": 187,
        "wires": [
            [
                "f1c8429db529deb2"
            ]
        ]
    },
    {
        "id": "f1c8429db529deb2",
        "type": "switch",
        "z": "3084325c196ecd52",
        "name": "",
        "property": "payload",
        "propertyType": "msg",
        "rules": [
            {
                "t": "true"
            },
            {
                "t": "false"
            }
        ],
        "checkall": "true",
        "repair": false,
        "outputs": 2,
        "x": 498,
        "y": 247,
        "wires": [
            [
                "a4d800391e8373b7"
            ],
            [
                "60fd36521b1d5833",
                "d773270450f3343c"
            ]
        ]
    },
    {
        "id": "a4d800391e8373b7",
        "type": "change",
        "z": "3084325c196ecd52",
        "name": "",
        "rules": [
            {
                "t": "set",
                "p": "payload",
                "pt": "msg",
                "to": "slider",
                "tot": "flow"
            }
        ],
        "action": "",
        "property": "",
        "from": "",
        "to": "",
        "reg": false,
        "x": 628,
        "y": 167,
        "wires": [
            [
                "195e68991048bae2",
                "140103baba809851",
                "bb518e01475f753e"
            ]
        ]
    },
    {
        "id": "195e68991048bae2",
        "type": "debug",
        "z": "3084325c196ecd52",
        "name": "",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "false",
        "x": 919,
        "y": 138,
        "wires": []
    },
    {
        "id": "14afcef11ef43861",
        "type": "ui_text",
        "z": "3084325c196ecd52",
        "group": "2f45f695.6435ba",
        "order": 0,
        "width": 0,
        "height": 0,
        "name": "",
        "label": "slider",
        "format": "{{msg.payload}}",
        "layout": "row-left",
        "className": "",
        "x": 583,
        "y": 71,
        "wires": []
    },
    {
        "id": "7a9adc2dea560539",
        "type": "change",
        "z": "3084325c196ecd52",
        "name": "",
        "rules": [
            {
                "t": "set",
                "p": "payload",
                "pt": "msg",
                "to": "false",
                "tot": "bool"
            }
        ],
        "action": "",
        "property": "",
        "from": "",
        "to": "",
        "reg": false,
        "x": 268,
        "y": 187,
        "wires": [
            [
                "06f89716299d976a"
            ]
        ]
    },
    {
        "id": "d773270450f3343c",
        "type": "function",
        "z": "3084325c196ecd52",
        "name": "msg",
        "func": "node.status({text: JSON.stringify(msg)})\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 426,
        "y": 502,
        "wires": [
            []
        ]
    },
    {
        "id": "ef65fc8fa1c7704f",
        "type": "function",
        "z": "3084325c196ecd52",
        "name": "msg",
        "func": "node.status({text: JSON.stringify(msg)})\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 916,
        "y": 319,
        "wires": [
            []
        ]
    },
    {
        "id": "bb518e01475f753e",
        "type": "function",
        "z": "3084325c196ecd52",
        "name": "msg",
        "func": "node.status({text: JSON.stringify(msg)})\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 761,
        "y": 80,
        "wires": [
            []
        ]
    },
    {
        "id": "f7b20565fb96f3d9",
        "type": "function",
        "z": "3084325c196ecd52",
        "name": "msg",
        "func": "node.status({text: JSON.stringify(msg)})\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "initialize": "",
        "finalize": "",
        "libs": [],
        "x": 512,
        "y": 20,
        "wires": [
            []
        ]
    },
    {
        "id": "2f45f695.6435ba",
        "type": "ui_group",
        "name": "row 1",
        "tab": "568a2c54.1e76f4",
        "order": 2,
        "disp": false,
        "width": "15",
        "collapse": false
    },
    {
        "id": "568a2c54.1e76f4",
        "type": "ui_tab",
        "name": "Deathstar",
        "icon": "dashboard",
        "order": 1
    }
]