But then there is the point where you want to finalize your project and leave things in place. These boards might be an unnecessary cost because you probably won’t use the entire functionality of the board. So in this chapter we will introduce the use of a microcontroller called the ATtiny. As the name suggests, this microcontroller is very small. What makes it a good option is that it is inexpensive. It is also compatible with the Arduino programming language and can be programmed through the IDE.
At $1 each the Attiny 85 is awesome (especially for kids toys) unless you need a lot of input/outputs.
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