What is this?

ABC - Arduino™ Basic Connections is a collection of the most popular circuit schematics for application with Arduino™. All the schematics have a common style and uses common symbols and colors to offer a very quick reference.

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Connect a Nokia LCD

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Arduino Basic Connections Connect a Nokia LCD

7 segments display

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Arduino Basic Connections 7 segments display

Control LCD backlight

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Arduino Basic Connections Control LCD backlight

Connect a LCD Hitachi 44780 Compatible via I2C

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Arduino Basic Connections Connect a LCD Hitachi 44780 Compatible via 12C

Connect a LCD Hitachi 44780 Compatible

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Arduino Basic Connections Connect a LCD Hitachi 44780 Compatible

Hitachi 44780 Compatible pinout

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Arduino Basic Connections Hitachi 44780 Compatible pinout

EEPROM Wiki

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Arduino Basic Connections EEPROM Wiki

Connect a EEPROM

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Arduino Basic Connections Connect a EEPROM

Connect a RTC

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Arduino Basic Connections Connect a RTC

Simple 3V3 Power Supply

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Arduino Basic Connections Simple 3V3 Power Supply