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ATmega168V 2x Unipolar/Bipolar Motor Drivers Board, 2.5A/phase US$89.00

ATmega168V 2x Unipolar/Bipolar Motor Drivers Board, 2.5A/phase

MOTOR-2 simultaneously controls two bipolar or unipolar stepping motors with phase currents up to 2.5A. Featuring an Atmel ATmega168V AVR microcontroller and an Allegro A3979 stepper motor IC, MOTOR-2 can be used as a stand-alone microcontroller board or as a motor controller peripheral board.

Six control pins and 5V power supply connections are available on a 20-pin (210) expansion connector. This board can be connected either in piggyback using standoffs or can be placed away using a 20-wire ribbon cable.

As a peripheral, the board's expansion connector is plug-in compatible with MicroTRAK, MINI-MAX and BSCB systems. You can use it in your own system too, of course; see the manual for the expansion connector's pinout.

As a standalone ATmega168 system, the same expansion connector can be used to add your own peripheral devices to this board. There's also a 10-pin connector for the AVR's RS232 port. In-system programming of the ATmega168 is supported through a 6-pin SPI port connector with standard AVR ISP pinout.

Motor Control Board Features

  • Atmel ATmega168V-10 microcontroller with 16 Kbytes on-chip Flash program/data Memory, 1 Kbytes RAM, 512 bytes EEPROM
  • SPI Port connector for In-circuit Programming and for data communications
  • RS232 Serial Port for data communications
  • 10-pin terminal block to connect four stepper motor wings and a motor power source
  • 20-pin Expansion connector for peripheral boards or a host microcontroller board
  • Jumper blocks to select a work mode
  • Two push-button switches to drive the motor by hand
  • Single operating voltage: 12V to 35V DC (up to 2.5A) for stand-alone operations
  • Secondary operating voltage: 4.5V to 5.5V, 130 mA maximum supply consumption for coupled operations
  • On-board 5V regulator

If you want to chain multiple add-on boards together, you can purchase cable and connectors separately to construct daisy-chain cables that suit your setup.

Documentation and Software

Optional Recommended Products for this Item
Power Supply 3-12V DC, U.S. plug, 6 connection tips+ US$11.00
Power Supply 3-12V DC, US/UK/Euro/AU Plugs, 100-240VAC+ US$13.00
Atmel AVR ISP Adapter, 10-pin to 6-pin (Atmel Butterfly)+ US$7.50

This product was added to our catalog on Thursday 03 May, 2012.


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