Smallest Arduino in an ATtiny85

Smallest Arduino in an ATtiny85 © GPL3+

Make the smallest Arduino possible with just an ATtiny85 8-pin DIL-IC running in 8MHz from an internal Oscillator.

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Components and supplies

About this project

Overview

In this video tutorial, we continue to shrink the Arduino; this time we use the ATtiny85 to make a small 8-pin Arduino running at 8MHz from the internal clock. This means that NO other hardware is required except a 5V source. We will go through how to download the hardware files needed to get the ATtiny chips into the Arduino IDE. We will then make the Arduino into an Arduino ISP and connect the ATtiny85. We will then finally program the ATtiny using the Arduino IDE and show off our cool blink sketch. This is Anything Arduino episode 3.

Code

Arduino IDE 1.0x support for the ATtiny product range.
Arduino IDE 1.0x support for the ATtiny product range.
Arduino IDE 1.6x support for the ATtiny product range.

Schematics

Arduino Pinout of ATtiny85 / ATtiny45
Where the Arduino pins are located (and which) when running Arduino in an ATtiny85.
Attiny45 85

Comments

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