Im having trouble trying to control a fan based on temp. I want it to start at 27 and stop at 24 but it starts and stops on 24. ive tried a couple of ways but just cant get it to work.
[{"id":"fd535ba.ed8a328","type":"rpi-dht22","z":"e4167a44.5763d8","name":"DHT22","topic":"rpi-dht22","dht":22,"pintype":"0","pin":"4","x":1300,"y":280,"wires":[["7e9597b4.46cda8"]]},{"id":"963b8cff.95b678","type":"inject","z":"e4167a44.5763d8","name":"","topic":"","payload":"","payloadType":"date","repeat":"1","crontab":"","once":false,"onceDelay":0.1,"x":1150,"y":280,"wires":[["fd535ba.ed8a328"]]},{"id":"7e9597b4.46cda8","type":"function","z":"e4167a44.5763d8","name":"temp","func":"msg.payload = msg.payload\nreturn msg;","outputs":1,"noerr":0,"x":1430,"y":280,"wires":[["43f6add8.9d14fc"]]},{"id":"2e3fcd4f.ff4c9a","type":"rpi-gpio out","z":"e4167a44.5763d8","name":"Fan","pin":"23","set":true,"level":"0","freq":"","out":"out","x":1730,"y":280,"wires":[]},{"id":"43f6add8.9d14fc","type":"function","z":"e4167a44.5763d8","name":"Fan control","func":"//var Temp=msg.payload;\n//var Output=\"\"\n//if (Temp>=27) {\n// Output=true\n//} else\n//if (Temp<=24) {\n// Output=false\n//}\n//msg.payload=Output\n//return msg;\n\n\nvar Temp=msg.payload;\nvar Output;\n\nif (Output=true){ \n if (Temp<=24){\n Output=false; \n }\n}else\nif (Output=false){ \n if (Temp>=27){\n Output=true; \n }\n}\nmsg.payload=Output\nreturn msg;\n\n\n\n//var Temp=msg.payload;\n//var Output;\n\n//if (Output){ \n// if (Temp<=25){\n// Output=false; \n// }\n//}\n//else{\n// if (Temp>=27) { \n// Output=true; \n// }\n//}\n//msg.payload=Output\n//return msg;","outputs":1,"noerr":0,"x":1570,"y":280,"wires":[["2e3fcd4f.ff4c9a"]]}]