# Ender 5 PRO +BL-Touch 4.2.7 Mainboard

**URL:** <https://klipper.discourse.group/t/ender-5-pro-bl-touch-4-2-7-mainboard/15576>\
**Category:** General Discussion\
**Created:** [April 7, 2024, 3:20pm UTC](https://klipper.discourse.group/t/ender-5-pro-bl-touch-4-2-7-mainboard/15576 "2024-04-07T15:20:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Christian610](https://avatars.discourse-cdn.com/v4/letter/c/eb9ed0/32.png) [@Christian610](https://klipper.discourse.group/u/Christian610)\
**Post date:** [April 7, 2024, 3:20pm UTC](https://klipper.discourse.group/t/ender-5-pro-bl-touch-4-2-7-mainboard/15576/1 "2024-04-07T15:20:30Z")

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### Basic Information:

Printer Model: Ender 5 PRO +BL- Touch  
 MCU / Printerboard: 4.2.7. Creality Board  
 Host / SBC  
 klippy.log

Hi everyone,  
I haveb trouble connecting my Creality Sonic pad to my ender 5Pro which is upgradet to an 4.2.7 Mainboard with CR-toch.  
I already tried some stuff which was discussed last Year in an older Topic but i cant get no Connection to my Printer no matter what i try.

> [@Creality Ender 5 Pro (2021) v4.2.7 motherboard + BL Touch](https://klipper.discourse.group/t/creality-ender-5-pro-2021-v4-2-7-motherboard-bl-touch/619):
>
> Hi, I had to create this after upgrading my Ender 5 Pro MB to v4.2.7, adding a BL Touch and switching to Klipper. It took lots of trial and error! Hope it helps someone. [printer-creality-ender5pro-bltouch-v4.2.7-2021.cfg](https://klipper.discourse.group/uploads/short-url/f6X38pJsEAEYwQYbwSPMFCMpF2M.cfg) (3.9 KB)

_Fill out above information and_ **_in all cases attach your_ `klippy.log` _file_** (use zip to compress it, if too big). _Pasting your_ `printer.cfg` _is **not** needed_  
_ **Be sure to check our “Knowledge Base” Category first. Most relevant items, e.g. error messages, are covered there** _

### Describe your issue:

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**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:** [April 7, 2024, 5:42pm UTC](https://klipper.discourse.group/t/ender-5-pro-bl-touch-4-2-7-mainboard/15576/2 "2024-04-07T17:42:23Z")

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Hello @Christian610

The issue might be in here:

> [@Christian610](#):
>
> Creality Sonic pad

> [@Creality Sonic Pad and Alternatives](https://klipper.discourse.group/t/creality-sonic-pad-and-alternatives/6324/1):
>
> Creality Sonic Padexclamation Update Since July 11, 2023, Creality seems to have [released a firmware](https://www.creality.com/pages/download-creality-sonic-pad?spm=..page_1934481.products_display_1.1&spm_prev=..product_afecb672-1369-4c48-ba2d-f0cd762126a6.header_1.1) with a newer Klipper version. Again, they have not released the sources for this and the other components as required by the GPL license. Again, they are violating the OSS license and making money off the work of others. Background The Creality Sonic Pad is intended to be a “one-stop” solution for Klipper. A SBC running Klipper along with Moonraker, Fluidd, Mainsail and KlipperScreen A …

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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/klipper/original/1X/64419bf2aac6639e6ef5cef200dcd456b0a01ac3.png) [@system](https://klipper.discourse.group/u/system)\
**Post date:** [June 6, 2024, 5:42pm UTC](https://klipper.discourse.group/t/ender-5-pro-bl-touch-4-2-7-mainboard/15576/3 "2024-06-06T17:42:30Z")

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