ATtiny85 RF Remote Control

As I mentioned in a previous Instructable I recently started playing with some ATtiny85 chips. The initial project I had in mind was to make an RF remote control that could operate on a coin battery. I needed to go with a raw chip because none of the Arduinos I have can meet both the need for very low power and relatively small size. A modified LilyPad came close but the chip is a better answer. The idea was not so much to duplicate an existing remote but to demonstrate how you can make up your own transmitter and receiver set. Besides being a fun learning project, it also allows you to create your own secret code combination. I put secret in quotes because its pretty easy to crack these simple codes.”

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