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Our project involves using an arduino compatible microcontroller to control a mouse on a computer with an accelerometer and flex sensor. We had narrowed down to the ATTiny85 due to its small size.

We found a particular tutorial on the Adafruit tutorial website, using the Adafruit Pro Trinket using the same ATTiny85.

Is there a reason to believe that this won't work?

Also, does anyone have suggestions as to which board to use apart from Micro as it isn't too available here?

Souvik Saha
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2 Answers2

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Due to the lack of USB-Support of the ATtiny85 you will be forced to use something like V-USB as the tutorial does. This might have implications when you are targeting a commercial product.

Personally I'd suggest using the ATmega32u4. It has USB build right in.

But basically I don't see any reasons why it should not work.

Kwasmich
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@Kwasmich raises a good point about the 32u4. Here is a little more information about it.

  • Works at 5V and 3.3V
  • Compatible with the Arduino IDE
  • Built-in USB
  • Very close to the ATmega328

Here are a couple of cheap breakouts for it

Dat Ha
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