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Projects using the Raspberry PI ARM GNU/Linux board.
This simple single-sided Raspberry PI interface board provides a RS-232 serial port to the Raspberry PI and breaks out 5 of the PI's GPIO (general-purpose input/output) pins.
The board was designed for initial experimentation with the RPI and can be built using a home fabricated PCB using methods such as the toner-transfer method. PCB source files are provided in KiCad and PDF formats.