...
- Having the flow check on GPIO-0 can cause reboot failures if the flow is stuck closed.Moving flow check to RX.
Version 2
Changes
- Move Flow sensor to ADC on CH7 in order to free up GPIO-0 or RX/TX.
- Add light control
Schematic
Board Layout
Software
Homekit/Homebridge Integration
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| Code Block |
|---|
...
{
"accessory": "mqttthing",
"type": "fan",
"name": "hottub",
"url": "http://192.168.1.50:1883",
"username": "homebridge",
"password": "pass",
"topics": {
"getOn": {
"topic": "spa/status",
"apply": "return JSON.parse(message).pump > 0 ? true : false;"
},
"setOn": {
"topic": "spa/command",
"apply": "if(message) return 'pumpOnOff 1'; if(message==false) return 'pumpOnOff 0';"
},
"getRotationSpeed": {
"topic": "spa/status",
"apply": "return JSON.parse(message).pump;"
},
"setRotationSpeed": {
"topic": "spa/command",
"apply": "console.log('MESSAGE: ' + message); if(message >50) return 'pumpState 2'; if(message==0) return 'pumpState 0'; return 'pumpState 1';"
}
}
},
... |
Future
Hardware Changes
Changes
- Move Flow sensor to ADC on CH7 in order to free up GPIO-0 or RX/TX.
- Add light control
Appendix
Pump
Specifications
...