node-red-blink

node-red-blink.js

[{"id":"9ce896f9.631768","type":"function","name":"Toggle LED on input","func":"\n// select wpi pin 0 = pin 11 on header (for v2)\nvar pin = 7;\n\n// initialise the wpi to use the global context\nvar wpi = context.global.wpi;\n\n// use the default WiringPi pin number scheme...\nwpi.setup();\n\n// initialise the state of the pin if not already set\n// anything in context.  persists from one call to the function to the next\ncontext.state = context.state || wpi.LOW;\n\n// set the mode to output (just in case)\nwpi.pinMode(pin, wpi.modes.OUTPUT);\n\n// toggle the stored state of the pin\n(context.state == wpi.LOW) ? context.state = wpi.HIGH : context.state = wpi.LOW;\n\n// output the state to the pin\nwpi.digitalWrite(pin, context.state);\n\n// we don't \"need\" to return anything here but may help for debug\nreturn msg;","outputs":1,"x":343,"y":87,"z":"3146639d.ceb99c","wires":[["68737402.978c8c"]]},{"id":"dd344d18.22cbb","type":"inject","name":"tick","topic":"","payload":"","payloadType":"date","repeat":"1","crontab":"","once":false,"x":123,"y":67,"z":"3146639d.ceb99c","wires":[["9ce896f9.631768"]]},{"id":"68737402.978c8c","type":"debug","name":"","active":true,"x":563,"y":107,"z":"3146639d.ceb99c","wires":[]}]