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Questions tagged [i2c]

Inter-Integrated Circuit (I²C) is a bus for low speed peripherals. Use this tag for questions regarding how to use I²C with an Arduino, or for problems with I²C and your Arduino.

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Connect Arduino with fischertechnik TX Controller

Is it possible to cinnect the Arduino with a fischertechnik TX Controller? Maybe with I²C, but i want to use I²C for something else on the arduino. So are there multiple I²C Ports on the Arduino (I ...
Post Self's user avatar
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3 votes
3 answers
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LCDs larger than 20x04 and 5" diagonal

Are there any i2c LCD screens that are larger than 2004 characters and larger than 4.8 x 2.7 x 1.2 inches in dimensions? I have the Sainsmart 2004 LCD but it can't display all the information that I ...
Nyxynyx's user avatar
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3 votes
2 answers
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Are there any good and maintained libraries for using DS2482 I2C to 1-Wire bridge?

The DS2482-100 and DS2482-800 are I2C to 1-Wire bridges which are useful for driving complex 1-Wire networks. These are natively supported by a number of packages in Linux so you can interface easily ...
Cybergibbons's user avatar
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12 votes
3 answers
29k views

How do I use I2C devices with Arduino?

I have a few useful I2C components, such as a 16-bit port expander (MCP23017), which I'd like to use in various projects. What do I need to do to make these work with Arduino? Will it work with any ...
Peter Bloomfield's user avatar

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