Raindrops on roses, and whiskers on kittens. They’re ok, but state machines are absolutely on our short list of favorite things. There are probably as many ways to implement a state machine as there ...

To describe parts of embedded systems, designers will frequently use state machines, and that often means leveraging modeling tools like UML. These models are sometimes part of the certification ...

State machines are so common that there are tools devoted to creating them by drawing circles and arts. There are simulators that will recognize your state machine ...

Most embedded systems are reactive by nature. They measure certain properties of their environment with sensors and react on changes. For example, they display something, move a motor, or send a ...

As opposed to conditional flag-centric code, a state machine diagram presents a very clear view of the design, and so provides a good example to students. As opposed to conditional flag-centric code, ...

This installment starts a new segment of lessons about state machines. The subject conceptually continues the event-driven theme and is one of my favorites [1,2]. Today, you’ll learn what event-driven ...

Imagine a robot with an all-around bump sensor. The response to the bump sensor activating depends on the previous state of the robot. If it had been going forward, a bump will send it backwards and ...