Post : Raspy Juice gives you serial ports and servo control
URL : http://hackaday.com/2012/09/13/raspy-juice-gives-you-serial-ports-and-servo-control/
Posted : September 13, 2012 at 7:01 am
Author : Brian Benchoff
Tags : ATmega168, Raspi, Raspi Juice, serial, servos
Categories : Raspberry Pi

http://hackadaycom.files.wordpress.com/2012/09/juice.jpg

Up next on the continual march of expansion boards for the Raspberry Pi is the Raspy Juice (http://code.google.com/p/raspy-juice/) , a board designed to break out the GPIO pins on the Raspberry Pi into servo, serial, and other miscellaneous connections.

The Raspy Juice features an ATMega168A microcontroller connected to the Raspberry Pi as an I2C slave device. Not only does the addition of a microcontroller add analog inputs to the Raspberry Pi, but also RS232 and RS485 serial connections, a real-time clock, and four JST plugs for hobby servos.

Because the Raspberry Pi can be powered from the GPIO header, the creator, [NTT] added a buck regulator so batteries or solar cells can be used to power the Raspberry Pi.

The Raspberry Pi is a terribly awesome robotics platform, but sadly limited by its capability to drive motors and servos natively. The Raspy Juice adds some much-needed capability to the Raspberry Pi, and we can't wait to see a robot take its first steps with this expansion board.

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