Microcontrollers can be used to add processing capabilities to any project, and off-the shelf microcontrollers are often used to fulfill a specific purpose. Programming a microcontroller with your own firmware gives you complete freedom to implement smart input and output for your projects. The PICAXE system gives any hobbyist the chance to program a microcontroller and interface it to peripherals with little hassle and at low cost.
 
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The PICAXE products are a range of Microchip PIC microcontrollers programmed with a special firmware by Revolution Education [1]. The philosophy behind the PICAXE system is that the best way to learn how to program and implement microcontrollers in a project is to use a cheap system that doesn’t require a lot of experience but still offers complex interfacing capabilities that make the microcontrollers suitable for more advanced projects.