Skywalker 1KG Firmware

Connecting the Skywalker PKF-1KG to HiBean via Bluetooth

Here is a starting point for connecting a Skywalker PKF-1KG coffee roaster to HiBean via Bluetooth.

Hopefully this helps shorten your journey—and gives an old man a place to remember where to start over. Hope it helps!

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What You'll Need

1. Skywalker PKF-1KG Roaster

Roaster: PKF-1KG Skywalker

I purchased mine from Amazon here in the U.S.

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2. ESP32-S3 Development Board

Quantity: 1

Model: ESP32-S3-DEVKITC-1

DigiKey:

https://www.digikey.com/en/products/detail/espressif-systems/ESP32-S3-DEVKITC-1-N8R2/15199627

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3. USB-C Splitter

Quantity: 1

Use a USB-C splitter like the one shown below.

Amazon:

https://www.amazon.com/Jadebones-Charger-Adapter-Splitter-Charging/dp/B0DS7ZHZDF

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4. USB-C Power Supply / Charger

Quantity: 1

A standard USB-C power supply is needed to power the setup.

Example on Amazon:

https://www.amazon.com/2-Pack-Phone-Charger-Charging-Device/dp/B0D99QLKBL

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Firmware Setup

5. Download the "Bear" Firmware

Download the Bear firmware for the ESP32 from GitHub.

At the time of this post, the current version is 2.6.

SkywalkerRoasterLab – Skywalker 1KG:

https://github.com/matelbear/SkywalkerRoasterLab/tree/f18470bdb065b70d144abd4b7acd7eecf5cb4133/Skywalker%201KG

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6. Install the Firmware

Flash/install the downloaded Bear firmware onto the ESP32-S3-DEVKITC-1.

Once the firmware has been successfully installed, the ESP32 can act as the Bluetooth interface between the Skywalker roaster and HiBean.

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HiBean Setup

7. Download and Install HiBean

Download and install the HiBean application on your device.

HiBean:

https://www.hibean.fun/en/

After installation, configure HiBean to connect to the ESP32 Bluetooth interface.

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Basic Connection Layout

Skywalker PKF-1KG

↓

USB-C Splitter

↓

ESP32-S3 running Bear Firmware

↓ Bluetooth

HiBean

The USB-C power supply provides the additional power required by the setup.

 

 

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«Note: This is intended as a starting point rather than a complete troubleshooting guide. Hardware and firmware may change over time, so check the SkywalkerRoasterLab repository for newer firmware versions and instructions.»

 

 

From DaYeri988