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