User Manual
Extension board for the Raspberry Pi single-board computer
Main Features
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RS-485 port
– for control over stepper motors, etc.
•
RS-232 port
– connect to serial port devices like a modem or your PC
•
I2C connector
– directly connect a display or sensors
•
real-time clock with battery backup
•
5-way joystick
•
piggyback mounting – no cables or additional space required
•
driver support and sample applications code
•
fully assembled including the backup-battery