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Handheld Development Kit (4.3")

Image: Handheld Development Kit (4.3")
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Featuring a 4.3” LCD touch screen, audio in/out, push-buttons and more, the Gumstix 4.3” Handheld Development Kit has all the hardware you need to get started with your own handheld application. At the heart of the system is a WiFi/Bluetooth-enabled Pepper SBC running Yocto Project Linux or Android, providing handheld developers with the world's most popular mobile operating system.

10/100/1000 Base-T Ethernet Included
802.11 b/g/n Included

3D Accelerometer


ARM Cortex-A8

Bluetooth Included

OpenGL POWER SGX Graphics Accelerator

LCD Display Connectivity

4.3" resistive touch LCD


3.5V - 5V

Processor Texas Instruments OMAP3359
Processor Speed

Up to 720 MHz

screen size 4.3 inch

USB Micro-AB Connector

Each Handheld Development Kit (4.3") comes with:

Image of Handheld Development Kit (4.3")
  • 5V US Power Adapter

    5V power adapter for use in North America.

  • Android microSD for Pepper

    Android microSD for Pepper

  • Pepper

    A powerful, complete and compact solution for embedded developers, Pepper is an ARM Cortex-A8-driven single board computer with 512 MB RAM, WiFi and Bluetooth, audio and USB On-The-Go.

  • Pepper System Card (Yocto 8GB)

    Pepper System Card (Yocto 8GB)

  • Samsung 4.3 inch LCD touch screen

    Samsung 4.3 inch TFT LCD (480 x 272) with 4-wire resistive touch screen

  • USB Cable (micro-A to standard-A female) 10cm


  • USB Cable (micro-B to standard-A)

    USB Cable (micro-B to standard-A)

Key components
microSD Card Slot

An onboard card-slot for system storage expansion using microSD cards.

ST LIS33DE 3-Axis Nano Accelerometer

An ultra-compact, low-power three-axis linear accelerometer providing signals over I²C.

spec sheet
Texas Instruments AM3359 Applications Processor

Based on the ARM Cortex-A8, the Texas Instrument AM3359 applications processors are enhanced with image, graphics processing, peripherals and industrial interface options such as EtherCAT and PROFIBUS.

Texas Instruments TPS62111 Step-Down Converter

A low-noise synchronous step-down DC-DC converter. Component Max Vin: 17V, 1.5A.

spec sheet
U.FL Antenna with Collar

U.FL antenna with collar for Bluetooth and/or 802.11b/g/n wireless communications.

Mating connectors
U.FL Connector

Attach a U.FL Wi-Fi or Bluetooth antenna to a Gumstix system with this connector.

Other connectors
Hirose 45 Pin FPC Connector with Bottom Contacts

Connect Samsung display FPCs that do not curl around the expansion board (e.g., Palo43) to this connector.

spec sheet
Power Jack

The CUI PJ1-022 power jack is the standard jack for all Gumstix 4.0 V and 5.0 V wall adapters.

spec sheet
Links to manufacturer's specification sheets are provided for reference.
Comparable parts might be substituted in manufacturing.
Further hardware information (I/O pinouts, Benchmarks, schematics and more)

Supported Software:

  • Yocto Project
  • Android

The Handheld Development Kit (4.3") ships with both Yocto Project and Android system cards.

As Gumstix' universally-compatible operating system, the Yocto Project system card offers the best support for Gumstix hardware features. The Android image has reached a mature state of development, however, due to an issue with the Android kernel, WiFi and Bluetooth are not currently supported on the 3.5" Handheld Development Kit's Android system card. Users who require WiFi and Bluetooth should use the Yocto Project image, while users who need Android can still access networking via Ethernet.

More information on supported software platforms for Gumstix products »

Get started with your 4.3" Handheld Development Kit with these instructions and resources.

Hardware Overview

The 4.3" Handheld Development Kit comes with system cards for both Android and Yocto Project Linux operating systems. Due to an Android kernel issue, WiFi and Bluetooth do not currently work with the Android system card, and all networking is Ethernet only. Until a patch is released correcting the issue, users who need WiFi or Bluetooth should select the Yocto Project system card.

Prepare the kit's hardware:

  1. Connect the LCD display to the Pepper single-board computer by inserting the ribbon cable into the connector on the underside of the circuit board.
  2. Insert the system card into the microSD card slot on top of the SBC.
  3. Connect the u.fl antenna to the connector on top of the SBC. [Yocto Users only]
  4. Connect the console port to your development machine using the included USB Mini-B to Standard A cable.
  5. Establish a serial connection in a terminal on your development machine.
  6. Connect the power adapter to boot the system.
  7. Configure your wireless connection. [Yocto Users only]

Your 4.3" Handheld Development Kit is now ready to use. You can disconnect the console port and SSH into the system after the network is configured: > ssh gumstix@overo.local > Password: gumstix

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