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Tyrel Souza 2022-11-04 11:30:57 -04:00
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content/blog/2022-11-04_neighbors-water-heater-automation.git → content/blog/2022-11-04_neighbors-water-heater-automation.rst
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@ -26,6 +26,11 @@ The Lay Of The Land
He has a `Bosch Tronic 6000C <https://www.prowaterheatersupply.com/PDFS/Bosch_Tronic_6000C_Pro_WH27_WH17_Installation_Manual.pdf>`_, with what appears to be a rotary encoder knob to set the temperature.
I only spent a few minutes under his house while planning this and didn't think to any measuring of how many detents to rotate, or how long the dial took to rotate to 120°F, so my first pass of this project is done with estimations.
.. figure:: {static}/images/2022/11/04_heater.png
:alt: bosch heater with a temperature 7 segment LED set to 120F
:width: 920px
Project Time - Round 1!
~~~~~~~~~~~~~~~~~~~~~~~
@ -52,6 +57,9 @@ This held how many seconds after pressing Higher or Lower, that I would send the
This seemed to work relatively well, but I figure I should just use a stepper motor if I was attempting to emulate one this way.
I dug around in my closet and was able to find some parts.
.. figure:: {static}/images/2022/11/04_servo.png
:alt: blue case servo with a white arm, cables running off screen. sitting on a desk.
Project Time - Round 2!
~~~~~~~~~~~~~~~~~~~~~~~
@ -74,6 +82,16 @@ I then apply a multiplier (TBD also... there's a lot of these as you can see!) a
The endpoint ``/initialize`` runs ``stepper.moveTo`` with ten rotations CCW, and then resets the "known location" back to zero (this also runs on power on for now).
.. figure:: {static}/images/2022/11/04_webpage.png
:alt: webpage controls, title "Water Heater Control", a blue slider with a green button saying "Set Temperature: 90", and red "Initialize to 90" button
:width: 920px
.. figure:: {static}/images/2022/11/04_stepper.png
:alt: blue case servo with a white arm, cables running off screen. sitting on a desk.
:width: 920px
In Action
~~~~~~~~~
@ -87,6 +105,10 @@ Programming wise, I need to figure out how many steps is one degree. Is the rota
Stay tuned to find out the exciting conclusion once I can go down below Frank's house.
.. figure:: {static}/images/2022/11/04_stepper_wheel.png
:alt: blue case servo with a white arm, cables running off screen. sitting on a desk.
:width: 920px
Code
~~~~

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themes/solarized/static/css/main.css
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@ -155,7 +155,7 @@ article ul {
.right-panel-content img {
margin: 1rem;
max-width: 50rem;
max-width: 920px;
}
.small {