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72f7f5179a
* Add indents to flow examples of Sense HAT simulator * Fix flow examples of Sense HAT simulator nodes
57 lines
3.2 KiB
JSON
57 lines
3.2 KiB
JSON
[
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{
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"id": "8b346a30.651a88",
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"type": "rpi-sensehatsim out",
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"z": "7756eff1.08d0a",
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"name": "",
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"x": 530,
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"y": 220,
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"wires": []
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},
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{
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"id": "c2e7a15d.237bd",
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"type": "function",
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"z": "7756eff1.08d0a",
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"name": "Simple graphical clock",
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"func": "\n// array to hold \"random\" pixels\nvar ranNums = [];\n\n// create a non-overlapping array of random numbers 0-8\nfunction rerand() {\n var nums = [0,1,2,3,4,5,6,7,8];\n var i = nums.length;\n var j;\n ranNums = [];\n while (i--) {\n j = Math.floor(Math.random() * (i+1));\n ranNums.push(nums[j]);\n nums.splice(j,1);\n }\n}\n\n// Get the hours and minutes and split into tens and units\nvar d = new Date();\nvar s = d.getSeconds();\nvar su = s%4;\nif (su === 0) {\n var h = d.getHours();\n var m = d.getMinutes();\n var hu = h%10;\n h = parseInt(h/10);\n var mu = m%10;\n m = parseInt(m/10);\n \n // Do the tens of hours (red)\n rerand();\n node.send({payload:\"1-3,1-3,0,0,0\"});\n for (var i=0; i<h; i++) {\n node.send({payload:(1+ranNums[i]%3)+\",\"+(1+parseInt(ranNums[i]/3))+\",255,0,0\"});\n }\n \n // Do the units of hours (green)\n rerand();\n node.send({payload:\"4-6,1-3,0,0,0\"});\n for (var i=0; i<hu; i++) {\n node.send({payload:(4+ranNums[i]%3)+\",\"+(1+parseInt(ranNums[i]/3))+\",0,255,0\"});\n }\n \n // Do the tens of minutes (yellow)\n rerand();\n node.send({payload:\"1-3,4-6,0,0,0\"});\n for (var i=0; i<m; i++) {\n node.send({payload:(1+ranNums[i]%3)+\",\"+(4+parseInt(ranNums[i]/3))+\",255,255,0\"});\n }\n \n // Do the unit of minutes (blue)\n rerand();\n node.send({payload:\"4-6,4-6,0,0,0\"});\n for (var i=0; i<mu; i++) {\n node.send({payload:(4+ranNums[i]%3)+\",\"+(4+parseInt(ranNums[i]/3))+\",0,0,255\"});\n }\n \n}\nnode.send({payload:\"0,0,\"+(su===0?\"purple\":\"off\")+\",7,0,\"+(su===1?\"purple\":\"off\")+\",7,7,\"+(su===2?\"purple\":\"off\")+\",0,7,\"+(su===3?\"purple\":\"off\")})\n\n\n// nothing left to do\nreturn null;",
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"outputs": 1,
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"noerr": 0,
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"x": 320,
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"y": 220,
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"wires": [
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[
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"8b346a30.651a88"
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]
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]
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},
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{
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"id": "fc3808df.6cbcf8",
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"type": "comment",
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"z": "7756eff1.08d0a",
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"name": "Simple graphical clock for Sense Hat",
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"info": "Generates a graphical clock, showing hours and minutes. \n\nHours are shown by the red and green pixels, minutes\nare the yellow and blue pixels.\n\nUses the local time of the Pi - you may need to set your local\ntimezone using\n\n sudo dpkg-reconfigure tzdata\n",
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"x": 210,
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"y": 180,
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"wires": []
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},
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{
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"id": "f33ea1a7.27216",
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"type": "inject",
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"z": "7756eff1.08d0a",
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"name": "",
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"topic": "",
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"payload": "",
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"payloadType": "date",
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"repeat": "1",
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"crontab": "",
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"once": true,
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"x": 120,
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"y": 220,
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"wires": [
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[
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"c2e7a15d.237bd"
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]
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]
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}
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]
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