A Raspberry Pi Expansion Board


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A Raspberry Pi Expansion Board
1011601 A Raspberry Pi Expansion BoardIn this chapter, we will look in detail at another of the author's open-source hardware (OSH) projects, specifically, version two of the RaspiRobot board (www.raspirobot.com). This board (Figure 9-1) is designed to allow a Raspberry Pi single-board computer to be powered by batteries and also to control two direct-current (dc) motors. The board has a number of interfaces including to an HC-SR-04 ultrasonic range finder, a 5V I2C interface designed to easily accommodate displays and other I2C devices, and a pair of open-collector outputs.
Citation
Dr. Simon Monk; Duncan Amos: Make Your Own PCBs with EAGLE: From Schematic Designs to Finished Boards, Second Edition. A Raspberry Pi Expansion Board, Chapter (McGraw-Hill Professional, 2017), AccessEngineering Export