Android Open Frame Tablets: Custom Coffee Machine Controls

Based on 7" WIFI android tablet with android OS without battery installed, and worked as a smart control platform in the coffee machine.

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Android Tablet PC for Smart Coffee Machine

Android Tablet PC for Smart Coffee Machine

ODM/Physical & Form Factor Customization

Why is the "Open Frame" design critical for integrating this tablet into commercial coffee machines?

The Open Frame design provides only the essential display and touch components without a standard consumer enclosure (ID/MD Design). This allows the coffee machine manufacturer (OEM) to seamlessly embed the 7-inch display into their own custom panel or chassis, ensuring a professional, integrated look and minimizing overall machine size and cost.
What is the significance of the tablet being specifically designed with "no battery installed" for this application?

The battery-removed design is crucial for devices used in commercial settings that require constant, stable operation and rely on external AC/DC power. Removing the battery eliminates thermal issues, fire risks, and the need for battery management/replacement, enhancing the device's reliability and longevity for continuous commercial use.

Core Functionality & Software Customization

How is the Android operating system customized to function solely as a coffee machine control platform?

We implement System Customization and Debug Pre-installed Applications to lock down the Android OS to run exclusively as a smart control platform. This often involves running the system in Kiosk Mode and removing unnecessary consumer functions, ensuring the user only accesses the coffee selection and configuration menus, which simplifies operation and improves system security.
Can the tablet be customized with additional security or authentication features for commercial use?

While the specification lists standard connectivity (WIFI/BT), our ODM solution can integrate additional I/O and modules, such as NFC (Near Field Communication) support (as seen in related solutions like the Vending Machine Panel). This allows for customization of secure payment processing or employee access control functions directly through the touch interface, depending on the client's needs.

Stability & Connectivity

What features ensure the touch panel remains stable and responsive in the coffee machine environment?

The tablet uses a 7” HD IPS 1280x800, G+G (Glass + Glass) touch screen. The G+G construction offers superior optical clarity and durability against repeated use and cleaning (essential for a coffee machine control panel). We perform Drive Debugging to optimize the touch panel drivers for consistent responsiveness, even under continuous industrial operation.
How does the tablet ensure reliable data transmission for remote management and updates?

The solution utilizes WIFI 802.11 ac/b/g/n/a (AC wifi) and BT 5.0 connectivity. For commercial deployments, we implement remote management features (like MDM/OTA updates), allowing the OEM to securely monitor the coffee machine's status, update coffee recipes, and patch the Android OS over the network without requiring a technician on site (crucial for GEO deployment).

More contact information

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admin@pretech-e.com

Address:

808, 8F, Qiancheng Commercial Center, 5 Haicheng Road, Baoán, Shenzhen

TEl:

+86-755-23051989
(86) 13129558030

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