I have my hat in my hand looking for answers. full disclosure don't know what I'm doing. Using a esp32 and a PCF8574 module to control an 8 channel relay via MQTT. I am able to turn the relay high or low thru a soft button in node red but it does not retain the state.it flashes high then low
" pcf8574.digitalWrite(beer1, LOW);". If i press the mouse button the relay will flash as if it will come on then go back to High. I can turn relays on or off by changing pcf8574.digitalWrite(P0, HIGH); to LOW
Is this a problem with MQTT or do i have a delay set that is bad? my goal is to press the button turn the relay on release the button turn the relay off.
Since no one else weighed in I'll try to help. First if you would post your flow it would help. Second, have you looked at the output from node red to see what the status of the signal is? Is this a node red issue or esp? In other words does the output of node red match what the esp is doing?
thanks for looking. the debug shows the topic and payload being sent. I am seeing it in the serial monitor as well. The PCF8574 is working because i can see the LED blink on and off. Not sure if the issue is on the node red side or the hardware side.
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btn-large\">Bluepoint</a></button>\n","storeOutMessages":true,"fwdInMessages":true,"templateScope":"local","x":90,"y":1700,"wires":[["e3eac56e.5ee158"]]},{"id":"9bbfb308.154e28","type":"trigger","z":"f0410d53.895fa","op1":"pour","op2":"0","op1type":"str","op2type":"str","duration":"-60","extend":true,"units":"s","reset":"off","bytopic":"all","name":"Repeate","x":360,"y":1620,"wires":[["dfef530b.682c4","3b935719.3f39c"]]},{"id":"b9827cac.a3e0d8","type":"debug","z":"f0410d53.895fa","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":650,"y":1680,"wires":[]},{"id":"e3eac56e.5ee158","type":"switch","z":"f0410d53.895fa","name":"","property":"payload","propertyType":"msg","rules":[{"t":"eq","v":"down","vt":"str"},{"t":"eq","v":"off","vt":"str"}],"checkall":"true","repair":false,"outputs":2,"x":210,"y":1680,"wires":[["9bbfb308.154e28"],["b9827cac.a3e0d8","9bbfb308.154e28","3b935719.3f39c"]]},{"id":"dfef530b.682c4","type":"debug","z":"f0410d53.895fa","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":650,"y":1620,"wires":[]},{"id":"6d0cf5d9.be5e4c","type":"mqtt 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'down'})\" ng-mouseup=\"send({topic: 'beer3',payload: 'off'})\"><a class=\"waves-effect waves-light btn-large\">Water</a></button>\n","storeOutMessages":false,"fwdInMessages":true,"templateScope":"local","x":90,"y":1940,"wires":[["de39e774.b93298"]]},{"id":"3763da7a.9e45f6","type":"trigger","z":"f0410d53.895fa","op1":"pour","op2":"0","op1type":"str","op2type":"str","duration":"-5","extend":false,"units":"s","reset":"off","bytopic":"all","name":"Repeate","x":360,"y":1880,"wires":[["ce67e5c0.701b38","50c50229.e41d84"]]},{"id":"730936c0.442b1","type":"debug","z":"f0410d53.895fa","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":650,"y":1940,"wires":[]},{"id":"de39e774.b93298","type":"switch","z":"f0410d53.895fa","name":"","property":"payload","propertyType":"msg","rules":[{"t":"eq","v":"down","vt":"str"},{"t":"eq","v":"off","vt":"str"}],"checkall":"true","repair":false,"outputs":2,"x":210,"y":1940,"wires":[["3763da7a.9e45f6"],["730936c0.442b1","3763da7a.9e45f6","50c50229.e41d84"]]},{"id":"ce67e5c0.701b38","type":"debug","z":"f0410d53.895fa","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":650,"y":1880,"wires":[]},{"id":"2fa0bec0.c05e8a","type":"mqtt 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'down'})\" ng-mouseup=\"send({topic: 'beer4',payload: 'off'})\"><a class=\"waves-effect waves-light btn-large\">Lagunitas</a></button>\n","storeOutMessages":false,"fwdInMessages":true,"templateScope":"local","x":90,"y":2060,"wires":[["f2cd397d.b2ccd"]]},{"id":"759ad8ab.26d938","type":"trigger","z":"f0410d53.895fa","op1":"pour","op2":"0","op1type":"str","op2type":"str","duration":"-5","extend":false,"units":"s","reset":"off","bytopic":"all","name":"Repeate","x":360,"y":2000,"wires":[["46027ba6.91a34c","2fa0bec0.c05e8a"]]},{"id":"8d953fbf.da9568","type":"debug","z":"f0410d53.895fa","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":650,"y":2060,"wires":[]},{"id":"f2cd397d.b2ccd","type":"switch","z":"f0410d53.895fa","name":"","property":"payload","propertyType":"msg","rules":[{"t":"eq","v":"down","vt":"str"},{"t":"eq","v":"off","vt":"str"}],"checkall":"true","repair":false,"outputs":2,"x":210,"y":2060,"wires":[["759ad8ab.26d938"],["8d953fbf.da9568","759ad8ab.26d938","2fa0bec0.c05e8a"]]},{"id":"46027ba6.91a34c","type":"debug","z":"f0410d53.895fa","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":650,"y":2000,"wires":[]},{"id":"ac8e0ed9.1185e","type":"comment","z":"f0410d53.895fa","name":"Bluepoint","info":"","x":100,"y":1660,"wires":[]},{"id":"d257ab54.e49c08","type":"comment","z":"f0410d53.895fa","name":"Diet 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white-space: nowrap;\n text-transform: uppercase;\n font-weight: 500;\n font-size: 14px;\n \n transition: background-color 0.1s;\n\n}\n\nbutton:hover {\n background-color: #0b8f95;\n}\n\nbutton:active {\n background-color: #ff0000;\n}\n\n</style>\n\n<button ng-mousedown=\"send({topic: 'beer4',payload: 'down'})\" ng-mouseup=\"send({topic: 'beer4',payload: 'off'})\"><a href=\"#!\" class=\"btn waves-effect waves-teal\">test</a></button>\n","storeOutMessages":false,"fwdInMessages":true,"templateScope":"local","x":90,"y":2220,"wires":[["1722dcd1.378133"]]},{"id":"ffee61a4.b1573","type":"trigger","z":"f0410d53.895fa","op1":"pour","op2":"0","op1type":"str","op2type":"str","duration":"-5","extend":false,"units":"s","reset":"off","bytopic":"all","name":"Repeate","x":360,"y":2160,"wires":[["2b25897a.ae7796","3d05efcc.49396"]]},{"id":"80ebd0df.ed0d5","type":"debug","z":"f0410d53.895fa","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":650,"y":2220,"wires":[]},{"id":"1722dcd1.378133","type":"switch","z":"f0410d53.895fa","name":"","property":"payload","propertyType":"msg","rules":[{"t":"eq","v":"down","vt":"str"},{"t":"eq","v":"off","vt":"str"}],"checkall":"true","repair":false,"outputs":2,"x":210,"y":2220,"wires":[["ffee61a4.b1573"],["80ebd0df.ed0d5","ffee61a4.b1573","3d05efcc.49396"]]},{"id":"2b25897a.ae7796","type":"debug","z":"f0410d53.895fa","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"true","targetType":"full","x":650,"y":2160,"wires":[]},{"id":"2be94e30.b021c2","type":"comment","z":"f0410d53.895fa","name":"test","info":"","x":90,"y":2180,"wires":[]},{"id":"7ba8a1e0.82d5b","type":"ui_group","z":"","name":"Fridge","tab":"cf9e3c59.35b6a","disp":true,"width":10,"collapse":false},{"id":"4cc82956.ea15d8","type":"ui_group","z":"","name":"Fridge control","tab":"cf9e3c59.35b6a","order":2,"disp":true,"width":"6","collapse":false},{"id":"c76f58a5.83b2a8","type":"mqtt-broker","z":"","name":"","broker":"localhost","port":"1883","clientid":"","usetls":false,"compatmode":true,"keepalive":"60","cleansession":true,"birthTopic":"","birthQos":"0","birthPayload":"","closeTopic":"","closeQos":"0","closePayload":"","willTopic":"","willQos":"0","willPayload":""},{"id":"9dfd182f.955648","type":"mqtt-broker","z":"","name":"","broker":"localhost","port":"1883","clientid":"","usetls":false,"compatmode":true,"keepalive":"60","cleansession":true,"birthTopic":"","birthQos":"0","birthPayload":"","closeTopic":"","closePayload":"","willTopic":"","willQos":"0","willPayload":""},{"id":"18a79f4c.e0af59","type":"ui_group","z":"","name":"Tap Control","tab":"cf9e3c59.35b6a","order":3,"disp":true,"width":"6","collapse":false},{"id":"cf9e3c59.35b6a","type":"ui_tab","z":"","name":"Fridge","icon":"dashboard","disabled":false,"hidden":false}]
So, first, there is an unknown node "timerswitch", you'll need to provide the whole name. something like node-red-contrib-something Otherwise I can't see your whole flow.
My next recommendation is to save this whole flow somewhere and start a new flow and start off small. One switch, one function, one mqtt node and see if you can get just one relay to work like you want it to. One switch to turn it off and on and get that working first. Then you can move on to adding other things in.
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