Before Firmware Updating

Windows users need to configure the USB driver for this device correctly before using the config tool to update the Volume Knob Kit

1. Install Zadig
2. Open Zadig and select Options > List All Devices
3. Press and hold the Update button on the Volume Knob Kit while plugging the kit into your PC via USB. Keep the Update button held throughout the entire process
   
4. While keeping the Update button held, select the new USB device listed from the device dropdown menu in Zadig (generally named USB Module)
5. Select WinUSB (any version number) as the new driver and click "Install Driver", "Replace Driver" or "Reinstall Driver"
   
6. Wait for the driver installation to complete. Once completed, you may let go of the Update button
   

Before Volume Knob Kit Configuration

Windows users will need to configure the USB driver for this device correctly before using this tool to write custom configurations

1. Install Zadig
2. Open Zadig and select Options > List All Devices
3. Press and hold the volume knob while plugging the kit into your PC via USB. Keep the volume knob held until the white status light on the Volume Knob Kit is lit. The Volume Knob Kit is now in config mode
4. Select the new USB device listed from the device dropdown menu in Zadig (generally named USB Module)
5. Select WinUSB (any version number) as the new driver and click "Install Driver", "Replace Driver" or "Reinstall Driver"
   
6. Wait for the driver installation to complete. Once completed, you may write the custom configuration using this tool
   

1. Download the required rule file and move it to /etc/udev/rules.d/
2. Run the following commands:

   sudo udevadm control --reload-rules
   sudo udevadm trigger

1. Download the latest firmware .bin file
2. Select the firmware file (.bin file)
   
3. Hold the update button on the volume knob kit while connecting it to your PC via USB
4. Release the update button on the volume knob kit when the RED power light is on
5. Click the "Update Device" button and select the "Unknown device from Qinheng Electronics"
   Update Device
   Windows users, if you come across any USB related errors, please refer to the Windows Users/Before Firmware Updating section of this page to configure the USB drivers correctly for writing custom configurations

1. Select your headunit brand/type
2. Now we can configure the different functions
   CW Rotate

   0

   CCW Rotate

   0

   Button Short Press

   0

   Button Long Press

   0

   Output On Time

   Output Off Time
   CW Rotate Not Configured Volume+ Volume- Mute Next Track Previous Track Play/Pause Change Source CCW Rotate Not Configured Volume+ Volume- Mute Next Track Previous Track Play/Pause Change Source Button Short Press Not Configured Volume+ Volume- Mute Next Track Previous Track Play/Pause Change Source Button Long Press Not Configured Volume+ Volume- Mute Next Track Previous Track Play/Pause Change Source Button Double Press Not Configured Volume+ Volume- Mute Next Track Previous Track Play/Pause Change Source
3. Hold the volume knob down while connecting the volume knob kit to your PC via USB. Keep the knob held down
4. Release the volume knob when the white status light shines
5. Windows users, you may need to use the Zadig tool again to assign the WinUSB driver to this device. Follow the Windows Users instructions (above) if it is not
6. Click the "Write Config" button and select RE_SWC from the device list
7. Your configuration will be written to the volume knob kit and the device will auto-reboot.
   Windows users, if you come across any USB related errors, please refer to the Windows Users/Before Volume Knob Kit Configuration section of this page to configure the USB drivers correctly for writing custom configurations