| ... | ... | @@ -30,3 +30,13 @@ We started with a U.S. Solid Smart Motorized Ball Valve (Model USS-MSV00087). Du |
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- Removed using hotplate and reflow method as to not disturb any other components
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# Updated components
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Leveraging a QT-PY ESP32-S3 board (adafruit) as the new control unit. Pin usage as follows, see image below:
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- A0 - Connected to valve position pin
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- A1 - Connected to the collector of Y1 transistor for closing option (common to pin 2 of motor control chip)
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- A2 - Connected to the collector of Y1 transistor for opening option (common to pin 1 of motor control
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- A3 - Connected to momentary pushbutton in position K1, pulled low when pressed
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- USB - power from USB fed to the input via 2-pin connecter at J1
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- GND - common ground for all components
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