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$259.00

Handheld Development Kit (3.5")

[KIT040]
Image: Handheld Development Kit (3.5")
Click an image to enlarge it.

Featuring a 3.5” LCD touch screen, audio in/out, a 3D accelerometer, push-buttons, LEDs and more, the Gumstix 3.5” 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 Overo AirSTORM computer-on-module running Ubuntu, the world's most popular Linux distribution.

Designed with Geppetto

2 x 70-pin AVX connectors

Included

802.11 b/g Included
Accelerometer

3D Accelerometer

Architecture

ARM Cortex-A8

Bluetooth Included
Camera Connector

27-pin connector for camera signals

COM Mounting Holes

Four (4) x #0 mounting holes for securing to Overo-series, or custom, expansion board

Height 4.2 mm
Layout

For OEM design, refer to the layout version shown here.

Length

58 mm

NAND 512 MB
Overo

In the Overo series

Performance

Up to 2,000 Dhrystone MIPS

Power

Powered via expansion board (Overo series or custom) connected to dual 70-pin connectors

Power Management

Texas Instruments TPS65950

Processor

Texas Instruments OMAP3703

Processor Speed

1 GHz (Recommended @ 800MHz)

Stereo Audio

Stereo Audio In /Out jacks

Temperature

Built with components rated 0C < T <85C

USB Device

Included

Weight

GS3703A @ 5.6g

GUM3703A @ 42.6g (incl. shipping case w/ antennas)

Width

17 mm

Each Handheld Development Kit (3.5") comes with:

Image of Handheld Development Kit (3.5")
  • 3.5 inch In Touch TFT LCD with touch screen

    3.5 inch In Touch TFT LCD with touch screen

  • 5V US Power Adapter

    5V power adapter for use in North America.

  • Alto35 Expansion Board

    This expansion board, built by Geppetto, uses our new line of 3.5" displays from In Touch, and includes accelerometer, audio jacks, RC Servo connections, LED's and pushbuttons.

  • Overo AirSTORM COM

    AM3703-based Gumstix Overo computer-on-module with 802.11 b/g and Bluetooth wireless communications

  • Overo System Card (Angstrom 8GB)

    Bootable microSD for Overo COM

  • USB Mini-B to Standard-A Cable

    A USB cable for connecting your USB Console Port-enabled Gumstix system to a development machine or for USB On-the-Go in device mode.

  • USB On-the-Go Cable (Mini-B to Mini-A)

    For USB Host or USB OTG in Host mode: connect your Gumstix Overo configuration to a downstream hub via this USB cable

Key components
FTDI FT232RQ USB UART Interface

Connect to an RS232 serial terminal over USB with the FTDI FT232RQ interface.

spec sheet
Micron 512MB DDR LPDRAM & 512MB NAND Flash Memory

Package-on-package (PoP) memory solution that minimizes power consumption, maximizes board space and increases speed.

microSD Card Slot

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

RC Servo Connector

This 3-pin header allows an RC servo to be connected to the expansion board.

ST LIS33DE 3-Axis Nano Accelerometer

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

spec sheet
Texas Instruments AM3703 Applications Processor

1GHz ARM Cortex-A8 Sitara AM3703 high-performance microprocessor designed to provide best in class ARM and graphics performance while delivering low power consumption. According to Texas Instruments, AM3703 is fully backward compatible with previous OMAP™ processors.

spec sheet
Texas Instruments TPS62111 Step-Down Converter

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

spec sheet
Texas Instruments TPS65950 Power Management

The TPS65950 device is a highly integrated power-management integrated circuit (IC) that supports the power and peripheral requirements of the OMAP3-driven Overo series COMs.

spec sheet
2 x U.FL Antenna with Collar

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

Wi2Wi W2CBW003C WiFi/BT Transciever

This elegant combination from Wi2Wi, based on Marvell's industry leading 88W8686, enables both 802.11b/g and Bluetooth 2.0+EDR.

spec sheet
Mating connectors
2 x 70-Pin AVX Connector (Male – Overo COMs)

Connect your Gumstix Overo COM to an expansion board with these 70-pin AVX connectors.

spec sheet
70-Pin AVX Connectors (Female – Overo Expansion)

Connect an Overo COM to an expansion board with these 70-pin AVX connectors.

spec sheet
Hirose 27-Pin Camera Connector (Overo COMs)

Connect a Caspa camera to an Overo COM with this connector (Hirose FH26-27S-0.3SHW)

spec sheet
2 x U.FL Connector

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

Other connectors
2 x 3.5mm Stereo Audio Jacks

A low-profile, surface mount 3.5mm audio jack from CUI (CUI SJ-3523-SMT).

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
USB Mini-B to Standard-A Cable

A USB cable for connecting your USB Console Port-enabled Gumstix system to a development machine or for USB On-the-Go in device mode.

USB On-the-Go Cable (Mini-B to Mini-A)

For USB Host or USB OTG in Host mode: connect your Gumstix Overo configuration to a downstream hub via this USB cable

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:

  • Ubuntu
  • Yocto Project

The Handheld Development Kit (3.5") ships with a Ubuntu (Linaro) system card.

This image is recommended for beginners looking to get up and running as quickly as possible. Users who need the absolute latest supported version of Linux or more advanced developers may wish to consider switching to the Yocto Project image.

More information on supported software platforms for Gumstix products »

Get started with your 3.5" Handheld Development Kit with these instructions and resources.

Prepare the kit:

  1. Connect the LCD display to the Alto35 expansion board by inserting the ribbon cable into the connector.
  2. Insert the system card into the microSD card slot on top of the COM.
  3. Connect the COM to the expansion board by placing it on top of the marked connectors and pressing down lightly. Warning: Do not press on top of the microSD card slot. Doing so may damage the card reader.
  4. Connect the two u.fl antennas to the connectors in the COM.
  5. Connect the console port to your development machine using the included USB Mini-B to Standard A cable.
  6. Establish a serial connection in a terminal on your development machine.
  7. Connect the power adapter to boot the system.
  8. Configure your wireless connection.

Your 3.5" 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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