Filament Dryer - custom project - sensors read

General Discussion
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Hi,

Im working on custom project - to klipperize my Sunlu S2 filament dryer. So I replaced default screen with some new parts :wink: designed chamber with rpi pico, display, some mosfets, servo and other pheripherals.
Idea was to create standalone filament dryer which I can control with klipper and check dryer status/temp/hum in klipper/mainsail interface.
I wrote code in C so now dryer is working as should. Then I wrote Py script - so now I can send macros and start drying/stop drying/check status.
But I would like to read data from sensors and add them to Mainsail interface.
I was trying to add new temperature_sensor and add it to extras/ but Klipper do not see it.

any ideas how I can achieve that ?? and have similar reading like those below (nevermore example). Any directions what should be done ??

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You might be interested in Klipperize IFD-175 AP (prototype)

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So I was able to add it as a secondary MCU and fully control it via Klipper. But when printer was off I was not able to use my dryer :wink: Im looking for different approach. I got it already. just need to visualize some data from dryer in Mainsail interface… and do not know how to do it.

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The only option I know, would be via Moonraker and MQTT. See Configuration - Moonraker

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with MQTT I made small progress. Im able to report data this way. but still looking for more like Nevermore controller look :stuck_out_tongue:

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