This manual explains how to connect a Buckeye roast machine to the Cropster Roasting Intelligence
Specifications
Requirements
Click here for the driver installation guide.
- Alternate driver: CP210x USB to UART Bridge VCP Drivers - Silicon Labs
Supported measurements
- Bean temperature
- Exhaust temperature
Setting up a connection
Via Bluetooth
- Plug the Bluetooth module into the USB port of the computer
- Press the button on the side of the module. The module will connect to the machine automatically.
- Proceed with the Roasting Intelligence (RI) Setup.
Via data cable
- Plug the data cable into the communication port of the machine
- Connect the cable to the USB port of the computer.
Roasting Intelligence (RI) Setup
Installing the Roasting Intelligence (RI) software-
Download RI.
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Complete the installation process by following the steps provided.
- Double-click the Cropster icon on your desktop to access RI.
- Click the green Login with the browser button.
💡 Select the "Remember me on this device" option to save your login credentials for future access. - You will be directed to the C-sar browser.
- Enter your Username* and Password* and click the green Sign in with password button.
💡You need to use the same credentials that you use to access the online platform C-sar.
Check out the Release notes for every version of RI5 to stay updated on the latest features and improvements. You can access the Release notes directly in RI by clicking on Help > Release Notes.
Establishing a connection to the machine
The images displayed below are meant to serve as reference examples; however, they may differ slightly from what you will see on your screen.
Before you begin configuring your roast machine, ensure that you have added it via the online platform C-sar.
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Click
Preferences > Machine > Configuration at the bottom left to access the Preferences screen.
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To choose the Roast machine, click on the dropdown menu in the Machine section.
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By clicking on the + Add connector option, you can choose your connector from the available options in the dropdown list.
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You need to select Generic Modbus over serial port from the dropdown.
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Click Select to add the connector.
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Navigate to the Machine > Measurements tab. All supported measurements will be displayed.
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To activate the measurements, simply click the green toggle button.
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Switch on the measurements you would like to enable and select Generic Modbus over serial port from the dropdown.
💡 Make your measurement readouts more compact. Choose the size of your measurement readouts by selecting either the Small or Large view for display. -
Change the order of the measurements by using the
Drag and Drop icon and move it into position.
💡You can also customize the color of each measurement by clicking on the colorful dots on the right side of the screen. - Navigate back to the Machine > Configuration tab and click on the
Gear icon in the Connector setup section next to the previously added connector to open and configure more PID settings.
- Select the Serial port.
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- Windows: choose the COM option that refers to the connection to the roaster.
- Mac: choose the /dev/tty.usbserial or /dev/tty.bluetooth option.
Select the Serial port.
- Click OK.
- Click Save to finalize the changes.
- After saving the changes, RI will automatically restart. If the setup was successful, you will see the temperature values displayed on the right-hand side of the RI screen following the restart.

📚 Learn more about the Roasting Intelligence (RI) Preferences.
Troubleshooting
If the RI indicates No source connected and/or you cannot see any measurements, please check the following:
- Is the roast machine connected to the computer?
- Have you downloaded the correct driver for the USB serial converter?
- Is the correct serial port within the RI selected?
- Are the settings copied correctly?
Congratulations! You have successfully set up the Cropster Roasting Intelligence!
Check out the Roasting Intelligence (RI5) - Getting Started manual and enjoy tracking your first roasts! More manuals and videos can be found on help.cropster.com.