Basic diagram.

Arduino Displays Time-Date Reading DS1307 RTC

This project demonstrates the use of the MCP23016 I/O expander being used with a LCD display and a Ds1307 RTC to display time/date. It combines several other earlier demonstrations. I used the MCP23016 I/O expander due to the lack of output pins on the /Arduino.

• Interfacing the Arduino to the MCP23016 I/O Expander
• Connecting the Arduino to MCP23016 and LCD Display
• Arduino with a DS1307 Real Time Clock and MCP23016
• Hitachi Hd44780 Liquid Crystal Display PDF file
• MCP23016 I2C I/O Expander PDF file
• Bare Bone Kit Manual PDF file

Where to connect the MCP23016.

Arduino code for this project: ds1307_lcd.txt.

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Stepper Motors

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• Considerations for Using Stepper Motors
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