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Author Topic: Do I need a shield to run related electronics?  (Read 3930 times)
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Port Elizabeth, South Africa
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This might be a stupid question (I am waiting for my Arduino stuff so I get bored), but do I need a LCD shield to be able to use a LCD screen? Or a motor shield to use motors, or GPS shield to use a GPS module?

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"The really amazing thing is how many people are successful with their Arduino projects considering the fact that so many of them do not have a technical background.  A lot of them seem to try, and succeed with, projects that no sane engineer would even attempt." - floresta commenting on the proper use of LCD displays

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Short answer is no, but the different shields combine different ICs, components, connectors, etc that make it easier for you to get started working with that type of gear your first time out, or to do a quick experiment without having to reinvent the wheel each time.
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Port Elizabeth, South Africa
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Thanks.

You a cinematographer? I'm moving into that field including acting and I will soon start working on a one-man stage performance piece...oops...this is totally off topic or board context  smiley-fat
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"The really amazing thing is how many people are successful with their Arduino projects considering the fact that so many of them do not have a technical background.  A lot of them seem to try, and succeed with, projects that no sane engineer would even attempt." - floresta commenting on the proper use of LCD displays

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The problem with shields is that sometimes or maybe even often they use the same pins and so clash or are incompatible with each other. You are best off desiring your own circuit then you are in compleate control of what pins to use. However for a beginner it is a good way to get started.
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Hi!

I bought a standard 20x4 character LCD screen and a I2C converter backboard from Adafruit.

This solution is affordable (total <30 USD) and requires only some headers soldering. It works like a charm.

The I2C bus uses only two pins on the Arduino board, A4 for data and A5 for clock. Because I2C is a bus, other I2C devices could be connected.
« Last Edit: January 27, 2011, 11:24:33 am by avenue33 » Logged


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