Mosaic Handheld
The Mosaic Handheld is a new smart platform for designing a custom portable intrument. It is ideal for prototyping and manufacturing portable instruments for data logging, inventory management, data acquisition, sensor calibration, and scientific instrumentation. “When designing a new portable device, the job of integrating the battery charger, switching power supplies, user interface, embedded computer and board-to-board int…
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The Mosaic Handheld is a new smart platform for designing a custom portable intrument. It is ideal for prototyping and manufacturing portable instruments for data logging, inventory management, data acquisition, sensor calibration, and scientific instrumentation.
“When designing a new portable device, the job of integrating the battery charger, switching power supplies, user interface, embedded computer and board-to-board interconnects in a compact enclosure consumes a huge amount of engineering effort, - said Michael Dorman, President of Mosaic Industries. – The Mosaic Handheld solves all these problems, reducing the time to market and providing an elegant platform that allows OEMs to concentrate on their application.”
The Mosaic Handheld integrates a graphics display, keypad with customizable overlay, processor, memory, analog and digital I/O, serial communications, an expansion I/O bus, rechargeable batteries, power conditioning and battery charger circuitry in a rugged handheld enclosure. A DB-25 connector at the bottom of the instrument allows the user to connect external signals to the instrument. A built-in Personality Board makes it easy to route internal and external I/O and data signals inside the instrument, and includes a prototyping area to simplify the addition of custom circuitry. Up to 4 I/O expansion modules called Wildcards can be plugged inside the instrument to customize the Handheld for a particular application. The rugged plastic enclosure is small enough to fit comfortably in a hand but large enough to hold custom circuitry, sensors and actuators.
Combining a high-contrast 3.4” diagonal display and 4 column by 8 row keypad, the Mosaic Handheld comes with software that makes it easy to control your application using menus, graphs, and bitmapped images. The Processor Board inside the Handheld hosts a 16 MHz Motorola 68HC11F1 microprocessor, 512K Flash and 128K RAM (expandable to 1 MB Flash and 512K RAM), and 320 bytes of EEPROM. On-board I/O includes 8 digital I/O lines with counter/timer capabilities, 8 analog inputs, a fast synchronous SPI serial interface, and dual RS232/485 ports. An optional real-time clock tracks the calendar and time of day and battery backs the 128K RAM.
The Handheld can operate up to 10 hours on its six rechargeable batteries. For non-battery applications it can be powered with 15 to 26 VDC via the power jack or through the DB25 connector on the bottom of the unit.
