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Hardware Checklist

Devices used In Kitchen Operations

Selecting compatible devices is essential because they support seamless and reliable operation of Grubtech applications such as gPicker, grubKDS, and grubKDS Master. Reducing the risk of technical issues during setup and ongoing use.

Application: grubKDS / grubKDS Master.

For the best experience with grubKDS and grubKDS Master applications, we recommend using the following devices:

  1. SUNMI T2s, single screen with built-in printer.
  2. SUNMI D3 with built-in printer. (firmware 425) 
  3. SUNMI T2 Lite single screen without printer.
  4. Samsung Galaxy Tab A7 and Samsung Galaxy Tab A9+ 

The following are the minimum device specifications required for Android devices:

  • Recommended screen/tablet size: 10.4 inches 
  • CPU: Octa-core 2.2GHz 
  • RAM: 3GB / ROM: 32GB 
  • Android 7.1.1 and above.

For the devices without printers, please consider the printers mentioned below.

  • SUNMI In-built Printer > (Available only in SUNMI T2)
  • EPSON TM-M30II > (Can be connected via USB, Bluetooth and Network IP Address)
  • Xprinter XP-N160II > (Can be connected via USB and Network IP Address)
  • EPOS ECO250 > (Can be connected via USB)
  • Rongta RP328 > Firmware version 2024 or later (Can be connected via USB and Bluetooth)

Application: grubOne

grubOne supports several types of printers depending on the device, printer model, and operating system being used. Connectivity options may vary by model.

Minimum Device Specifications:

 Platform   Minimum OS   Recommended OS   Notes 
Android:
Phones and Tablets		  Android 7.0   Android 11+  

Minimum device specifications: 3 GB RAM and an Octa-core CPU running at 2.2 GHz or higher. 
 Windows   Windows 10 (x64)   Windows 11 x64  Ensure that the latest version of the Microsoft Visual C++ Redistributable is installed on the Windows device. 
 Latest Supported Visual C++ Redistributable Downloads  
 iOS    iOS 15.6   iOS 16+  Supported printer connectivity: Network connection only. 
Local Network permission must be granted to enable network discovery. 
SUNMI 

Sunmi OS 4 

Android 11

 Sunmi OS 4+
Android 11+		 Compatible Sunmi Devices
  • SUNMI T2S: single-screen with built-in printer.
  • SUNMI D3, built-in printer. (firmware 425) 
  • SUNMI T2 Lite single screen without printer.
  • Sunmi V3, built-in printer with 58mm paper width.

Officially Supported Printers

The table below summarizes all compatible printer models, their connectivity options, and the platforms they support.

Printer  Connection Paper Width  Android  Windows  iOS
Sunmi Devices T2, T2s, D3    Inbuilt   80 mm   ✅   ❌     ❌ 
Sunmi V3  Inbuilt  58 mm ✅     
XPrinter S200M   USB   80 mm   ✅   ❌  ❌
XPrinter S200M   Network   80 mm   ✅   ✅   ✅ 
Rongta RP328   USB   80 mm   ✅   ❌   ❌ 
Rongta RP328   Bluetooth   80 mm   ✅   ❌  ❌
EPSON TM-M30II   Bluetooth   80 mm   ✅   ❌   ❌ 
EPSON TM-M30II   Network   80 mm   ✅  ✅  ✅
EPSON TM-M30II   USB   80 mm   ✅    ✅
Required EPSON driver configuration app for Windows 		  ❌ 

Important:

  • EPSON Thermal Printers While GrubOne is compatible with a wide range of EPSON thermal printers—specifically those supporting 80 mm paper width via USB, Network, or Bluetooth—please note that these configurations have not undergone formal verification. As a result, users may experience intermittent alignment or formatting inconsistencies when using unverified models.

    Sunmi V3 Handheld Devices GrubOne provides native, fully supported integration for the Sunmi V3 handheld device, including its built-in thermal printer. The system automatically detects the 58 mm paper width and dynamically optimizes KOT and invoice layouts, requiring no manual configuration for seamless operation.


Tip:
Built-in printers are automatically displayed in the Discovered Printers list when supported hardware is detected. Network printers can also be added manually using their IP address and port number. 

For more information about printing support and configuration, refer to the grubOne Printer Setup section. 

Application: gPicker

Here are the devices we recommend for use with the gPicker application:

  1. SUNMI P2 Pro
  2. SUNMI V2s 

Here are the printers that work seamlessly with the gPicker application:

  1. SUNMI In-built Printer

  2. Rongta RP328 (Can be connected via Bluetooth)

Important Note: All listed printers require paper with an 80 mm width.