Skip to content

Instantly share code, notes, and snippets.

@Lukse

Lukse/README.md Secret

Created January 10, 2017 19:10
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save Lukse/5a212ec0939fac1c18348b1d3f4ceee7 to your computer and use it in GitHub Desktop.
Save Lukse/5a212ec0939fac1c18348b1d3f4ceee7 to your computer and use it in GitHub Desktop.
Download ZIP
64x32 LED panel
Raw
README.md

This flow, along with small python daemon enables control of 64x32 LED panels over MQTT.

Flow

Everything you need is Raspberry Pi, HUB-75 adapter and RGB LED panel.

LED panel with Raspberry Pi

Check Kurokesu blog for more details, setup info and python script.

Raw
flow.json
[{"id":"1fa87483.b31adb","type":"mqtt out","z":"48807c1d.6db04c","name":"","topic":"ledpanel/1","qos":"","retain":"","broker":"5252913.f77dff","x":1004.88330078125,"y":180.88333129882812,"wires":[]},{"id":"6cbafc93.dc906c","type":"inject","z":"48807c1d.6db04c","name":"","topic":"text","payload":"--:--","payloadType":"str","repeat":"","crontab":"","once":false,"x":564.88330078125,"y":237.88333129882812,"wires":[["b5190bb3.c7181"]]},{"id":"b5190bb3.c7181","type":"function","z":"48807c1d.6db04c","name":"CLOCK","func":"var ret = {};\n\nret[\"text\"] = msg.payload;\n\nret[\"x\"] = 5;\nret[\"y\"] = 1;\n\nret[\"red\"] = 100;\nret[\"green\"] = 100;\nret[\"blue\"] = 100;\n\nret[\"font\"] = 19;\n\nret[\"function\"] = \"set_text\";\n\nmsg.payload = ret;\n//msg.topic = \"set_text\";\n\n\nreturn msg;\n","outputs":1,"noerr":0,"x":793.88330078125,"y":238.88333129882812,"wires":[["1fa87483.b31adb"]]},{"id":"33e7699a.52912e","type":"inject","z":"48807c1d.6db04c","name":"CLEAR","topic":"","payload":"TEST123 ","payloadType":"str","repeat":"","crontab":"","once":false,"x":639.88330078125,"y":106.88333129882812,"wires":[["abd7dc51.9b6068"]]},{"id":"abd7dc51.9b6068","type":"function","z":"48807c1d.6db04c","name":"CLEAR","func":"var ret = {};\n\nret[\"red\"] = 0;\nret[\"green\"] = 0;\nret[\"blue\"] = 0;\n\nret[\"function\"] = \"clear\";\n\nmsg.payload = ret;\n\nreturn msg;\n","outputs":1,"noerr":0,"x":789.88330078125,"y":111.88333129882812,"wires":[["1fa87483.b31adb"]]},{"id":"de7eba35.0d97c","type":"function","z":"48807c1d.6db04c","name":"TEMPER","func":"var ret = {};\n\nret[\"text\"] = msg.payload+\" \";\n\nret[\"x\"] = 1;\nret[\"y\"] = 24;\n\nret[\"red\"] = 30;\nret[\"green\"] = 30;\nret[\"blue\"] = 30;\n\nret[\"font\"] = 13;\n\nret[\"function\"] = \"set_text\";\n\nmsg.payload = ret;\n//msg.topic = \"set_text\";\n\n\nreturn msg;\n","outputs":1,"noerr":0,"x":742.88330078125,"y":398.8833312988281,"wires":[["1fa87483.b31adb"]]},{"id":"c074145a.2b11e8","type":"function","z":"48807c1d.6db04c","name":"Timestamp to HH:MM","func":"//msg.timestamp= new Date().toISOString()\n\nvar now = new Date(); \nvar year = now.getFullYear();\nvar month = now.getMonth()+1; \nvar day = now.getDate();\nvar hour = now.getHours();\nvar minute = now.getMinutes();\nvar second = now.getSeconds(); \n\nif(month.toString().length == 1) {\n var month = '0'+month;\n}\n\nif(day.toString().length == 1) {\n var day = '0'+day;\n} \n\nif(hour.toString().length == 1) {\n var hour = '0'+hour;\n}\n\nif(minute.toString().length == 1) {\n var minute = '0'+minute;\n}\n\nif(second.toString().length == 1) {\n var second = '0'+second;\n} \n\n//msg.timestamp = year+'-'+month+'-'+day+' '+hour+':'+minute+':'+second;\nmsg.payload = hour+':'+minute;\n\n\nreturn msg;","outputs":1,"noerr":0,"x":575.8833312988281,"y":179.88333129882812,"wires":[["b5190bb3.c7181"]]},{"id":"4cb27606.e94b2","type":"inject","z":"48807c1d.6db04c","name":"Time","topic":"text","payload":"","payloadType":"str","repeat":"1","crontab":"","once":false,"x":388.7666320800781,"y":179.01666259765625,"wires":[["c074145a.2b11e8"]]},{"id":"6064ceae.493248","type":"mqtt in","z":"48807c1d.6db04c","name":"TE923 / TC","topic":"sensors/namai/te923/TC","qos":"2","broker":"5252913.f77dff","x":533.9999389648438,"y":345.1832580566406,"wires":[["de7eba35.0d97c"]]},{"id":"4247a366.78dbb4","type":"inject","z":"48807c1d.6db04c","name":"","topic":"text","payload":"--.-","payloadType":"str","repeat":"","crontab":"","once":false,"x":511.8833312988281,"y":402.8833312988281,"wires":[["de7eba35.0d97c"]]},{"id":"5252913.f77dff","type":"mqtt-broker","z":"","broker":"127.0.0.1","port":"1883","clientid":"","usetls":false,"compatmode":true,"keepalive":"60","cleansession":true,"willTopic":"","willQos":"0","willPayload":"","birthTopic":"","birthQos":"0","birthPayload":""}]
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment