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Roboteq debuts expansion card for Raspberry PI

Posted: 09 Oct 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Raspberry PI? RIO? Raspberry I/O? robotics? home automation?

Roboteq has rolled out what it says is the most versatile and capable I/O expansion card made for the

Raspberry PI single board computer. The RIO, for Raspberry I/O, stacks on top of the Raspberry to create a powerful embedded control and navigation computer in a small footprint of just 65 x 85 x 20mm, stated the company. The expansion card will enable the 700MHz Raspberry PI to be used to create powerful and very cost effective solutions for robotics, industrial and home automation, data acquisition and control, or any other computing application requiring interfacing to the real world, added the firm.

RIO claims to expand the Raspberry's limited I/O capabilities by adding 13 inputs that can be configured as Digital inputs, as 0-5V analogue inputs with 12bit resolution, or as pulse inputs capable of pulse width, duty cycle or frequency capture. Eight digital outputs are provided for driving loads up to 1A each at up to 24V.

RIO includes a 32bit ARM Cortex M4 MCU for processing and buffering the I/O, creating a seamless communication with the Raspberry. The RIO processor can be user programmed using a simple, but powerful basic-like programming language to perform logic, conditioning and other processing of the I/O, in real time, thus relieving the Raspberry of these low-level functions, detailed Roboteq. On the Linux side, RIO comes with drivers and a function library for configuring and accessing the I/O quickly, and for seamlessly exchanging data with the Raspberry.

RIO also features several communication interfaces, including an RS232 serial port for connecting to standard serial devices, a TTL serial port for connecting to Arduino and other MCUs not equipped with RS232 transceiver and a CANbus interface.

A version of RIO is available with motion sensors, including 3-axis accelerometer, 3-axis gyroscope, 3-axis magnetometer, and a fusion algorithm for creating a precise attitude and heading reference system (AHRS).

The RIO card includes a DC/DC converter for powering the Raspberry, RIO and external sensors, from a 8-30V DC power source.

RIO is available from Roboteq and its resellers in two versions: RIO-BASIC for $85, and the RIO-AHRS for $175 in single quantity.





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