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- Went to add the pump button and discovered a design error. The pump ADC input is floating and should have a pull-down to ground. The 3V shouldn't have Removing the 10K resistor eitherfrom the 3V supply.
New Control Panel
Since I have a custom controller, I decided to add a control panel to the hot tub. The plate was 3D printed with light grey PLA filament. It was then sanded smooth. The center switch controls the lights and the small switch to the left controls the pump. All other controls are set using HomeKit.
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