The smart home coffee bean roaster Sandbox R1 connects smartphones with Bluetooth. The app comes with pre-programmed roast settings to make different roast levels: Light/Medium/Dark Roast for users to utilize and also manual settings to adjust roast parameters: Heat/Fan-speed/Drum Rotations Control for users to enjoy the fun of roasting their own exclusive flavors.
Your coffee, your choice.
https://www.sandboxsmart.com
Add roast analyzer
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