node-red-contrib-lcd20x4-i2c Example
Example of how to use node-red-contrib-lcd20x4-i2c
[{"id":"5c7a63fc.d041e4","type":"LCD20x4-I2C","z":"514d8500.298c34","name":"LCD2004","speed":"3","size":"20x4","x":520,"y":160,"wires":[]},{"id":"924c4048.97a328","type":"function","z":"514d8500.298c34","name":"Message","func":"// Line Number Msg String Start Position Centered\n// 1 Date/Time Ignored true\n// 2 \"Test line 2.\" 2 false\n// 3 \"Test line 3.\" 3 false\n// 4 \"Test line 4.\" 4 false\n\n//var sString01 = \"Test line 1.\";\nvar sString01 = msg.payload;\nvar sString02 = \"Test line 2.\";\nvar sString03 = \"Test line 3.\";\nvar sString04 = \"Test line 4.\";\nvar iPos01 = 1;\nvar iPos02 = 2;\nvar iPos03 = 3;\nvar iPos04 = 4;\nvar bCenter01 = true;\nvar bCenter02 = false;\nvar bCenter03 = false;\nvar bCenter04 = false;\n\nmsg.payload = {\n\tmsgs:[\n\t\t{\n\t\t\tmsg:sString01,\n\t\t\tpos:iPos01,\n\t\t\tcenter:bCenter01\n\t\t},\n\t\t{\n\t\t\tmsg:sString02,\n\t\t\tpos:iPos02,\n\t\t\tcenter:bCenter02\n\t\t},\n\t\t{\n\t\t\tmsg:sString03,\n\t\t\tpos:iPos03,\n\t\t\tcenter:bCenter03\n\t\t},\n\t\t{\n\t\t\tmsg:sString04,\n\t\t\tpos:iPos04,\n\t\t\tcenter:bCenter04\n\t\t}\n\t]\n};\n\nreturn msg;","outputs":1,"noerr":0,"x":320,"y":160,"wires":[["5c7a63fc.d041e4","33adbf23.498828"]]},{"id":"33adbf23.498828","type":"debug","z":"514d8500.298c34","name":"","active":true,"tosidebar":true,"console":true,"tostatus":true,"complete":"payload","x":540,"y":220,"wires":[]},{"id":"f4f137d8.befd8","type":"inject","z":"514d8500.298c34","name":"","topic":"","payload":"","payloadType":"date","repeat":"1","crontab":"","once":false,"onceDelay":0.1,"x":110,"y":100,"wires":[["dc6e3ed6.f4191"]]},{"id":"dc6e3ed6.f4191","type":"moment","z":"514d8500.298c34","name":"","topic":"","input":"payload","inputType":"msg","inTz":"America/New_York","adjAmount":0,"adjType":"days","adjDir":"add","format":"ddd DD-MM HH:mm:ss","locale":"en_US","output":"payload","outputType":"msg","outTz":"America/New_York","x":140,"y":160,"wires":[["924c4048.97a328"]]},{"id":"b113533e.df98a8","type":"comment","z":"514d8500.298c34","name":"Dependencies for Raspberry Pi & Node-Red","info":"******************************************\n* First, Thanks for the LCD20x4-I2C node *\n* stubby-phillips *\n* This is what worked for me. *\n* RPi = 2b *\n* OS = raspbian-stretch-lite.4.14.50-v7 *\n* Windows Manager = lxde *\n* Node-Red = v.0.19.4 *\n******************************************\n* Notes to self:\n* Install python smbus library.\n* At console run 'sudo apt update'\n* At console run 'sudo apt-get install python-smbus'\n* Install python-pip (If 'Manage palette' option missing from Node-Red settings menu)\n* At console run 'sudo apt-get install python-pip'\n* Reboot RPi..\n* \n* Add LCD20x4-I2C node to Node-Red.\n* node-red-contrib-lcd20x4-i2c\n* https://flows.nodered.org/node/node-red-contrib-lcd20x4-i2c\n* https://www.npmjs.com/package/node-red-contrib-lcd20x4-i2c\n* https://github.com/atsage/node-red-contrib-LCD20x4-I2C\n* In Node-Red...\n* Select User settings\n* https://www.coursera.org/lecture/developer-nodered/mastering-the-node-red-menu-options-165iX\n* Select Manage palette\n* Select Install tab\n* Search moduals for 'node-red-contrib-lcd20x4-i2c'\n* Select Install button\n* Select Install button\n*\n* Add node-red-contrib-moment node to Node-Red (Needed for this example only)\n* Same as above but search for 'node-red-contrib-moment'\n* \n* Return to Node-Red example flow and select 'Deploy'\n*\n* Should show Day, Month/day,Date on line 1\n* Make sure you check pot on back of unit for correct contrast!\n* Wasted about 2 hours on this.\n*","x":190,"y":40,"wires":[]}]
