# SKR3 MCU not possible to read temperature

**URL:** <https://klipper.discourse.group/t/skr3-mcu-not-possible-to-read-temperature/8151>\
**Category:** General Discussion\
**Created:** [May 1, 2023, 9:39am UTC](https://klipper.discourse.group/t/skr3-mcu-not-possible-to-read-temperature/8151 "2023-05-01T09:39:14Z")\
**Posts on this page:** 8\
**Page:** 1

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**Author:** ![Klausn](https://avatars.discourse-cdn.com/v4/letter/k/f04885/32.png) [@Klausn](https://klipper.discourse.group/u/Klausn)\
**Post date:** [May 1, 2023, 9:39am UTC](https://klipper.discourse.group/t/skr3-mcu-not-possible-to-read-temperature/8151/1 "2023-05-01T09:39:14Z")

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### Basic Information:

Printer Model: Sapphire  
 MCU / Printerboard: SKR 3

Hi,

I have updated my printer with a Bigtreetech SKR 3 Board. Everything runs fine except the mcu temperature. I get only the message that ADC temperature is not a right name for mcu.

This solution didnt work for me:

> [@STM32H743XX MCU Temperature](https://klipper.discourse.group/t/stm32h743xx-mcu-temperature/5867):
>
> I have a question how to add the stm32 temperature sensor in klipper?

My SKR 3 has the ARM Cortex-M7 CPU STM32H743VIT6.

Did anyone can help?  
[klippy(3).log](https://klipper.discourse.group/uploads/short-url/a72Lzr3MdvbEMs4axMGXXjwWGIF.log) (27.4 KB)

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<div class="post-metadata">

**Author:** ![Sineos](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/sineos/32/18_2.png) [@Sineos](https://klipper.discourse.group/u/Sineos)\
**Post date:** [May 1, 2023, 10:58am UTC](https://klipper.discourse.group/t/skr3-mcu-not-possible-to-read-temperature/8151/2 "2023-05-01T10:58:09Z")

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Follow the directions given when you opened the post

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<div class="post-metadata">

**Author:** ![Klausn](https://avatars.discourse-cdn.com/v4/letter/k/f04885/32.png) [@Klausn](https://klipper.discourse.group/u/Klausn)\
**Post date:** [May 1, 2023, 3:00pm UTC](https://klipper.discourse.group/t/skr3-mcu-not-possible-to-read-temperature/8151/3 "2023-05-01T15:00:08Z")

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log attached now. Anything missing!?

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<div class="post-metadata">

**Author:** ![Sineos](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/sineos/32/18_2.png) [@Sineos](https://klipper.discourse.group/u/Sineos)\
**Post date:** [May 1, 2023, 4:32pm UTC](https://klipper.discourse.group/t/skr3-mcu-not-possible-to-read-temperature/8151/4 "2023-05-01T16:32:21Z")

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Did you verify that it really is a STM32H743 and the firmware compiled for it?

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<div class="post-metadata">

**Author:** ![Klausn](https://avatars.discourse-cdn.com/v4/letter/k/f04885/32.png) [@Klausn](https://klipper.discourse.group/u/Klausn)\
**Post date:** [May 1, 2023, 6:16pm UTC](https://klipper.discourse.group/t/skr3-mcu-not-possible-to-read-temperature/8151/5 "2023-05-01T18:16:47Z")

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Chip is this:

 ![IMG_2857](https://global.discourse-cdn.com/free1/uploads/klipper/original/2X/4/4a3582e896fa164a420f6743c59492b3f8c331b6.jpeg)  
I have replaced both files like the other post described. But it didnt work for me.

[klippy(4).log](https://klipper.discourse.group/uploads/short-url/sfLVqh30Th3RkdJj1zpNLWn7M11.log) (27.4 KB)

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<div class="post-metadata">

**Author:** ![Sineos](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/sineos/32/18_2.png) [@Sineos](https://klipper.discourse.group/u/Sineos)\
**Post date:** [May 1, 2023, 6:18pm UTC](https://klipper.discourse.group/t/skr3-mcu-not-possible-to-read-temperature/8151/6 "2023-05-01T18:18:26Z")

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Roll back this change. It is no longer valid. Recompile and reflash

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<div class="post-metadata">

**Author:** ![Klausn](https://avatars.discourse-cdn.com/v4/letter/k/f04885/32.png) [@Klausn](https://klipper.discourse.group/u/Klausn)\
**Post date:** [May 1, 2023, 6:34pm UTC](https://klipper.discourse.group/t/skr3-mcu-not-possible-to-read-temperature/8151/7 "2023-05-01T18:34:59Z")

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Solution was recompiling the klipper firmware for the SKR 3 Board  
 ![grafik](https://global.discourse-cdn.com/free1/uploads/klipper/original/2X/d/daf18f6654f445d5e6909c78b9cb82025365749d.png)

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<div class="post-metadata">

**Author:** ![EddyMI3D](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/eddymi3d/32/1981_2.png) [@EddyMI3D](https://klipper.discourse.group/u/EddyMI3D)\
**Post date:** [December 6, 2024, 8:01pm UTC](https://klipper.discourse.group/t/skr3-mcu-not-possible-to-read-temperature/8151/8 "2024-12-06T20:01:43Z")

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Closed on December 6, 2024, 8:01pm UTC


