From sequential programing to state machines

In this unit, we will explore some common algorithms for line following in a very systematic way, starting with well known “sequential” approaches, and then contrasting these with a “state machine” approach. We will see in detail how a four-step simple line follower with two Light (or Color) sensors works and how to systematize the […]

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Inside a two-step simple line follower

In this unit, we will use the datalogging tools available in the EV3 Software to study the internal operation of a two-step simple line follower with one Light sensor. It is a very simple but powerful example that can help students to understand and to correctly program other situations. One of the most important functions […]

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Exploring thresholds

This unit introduces an extremely simple exercise that allows students to think more deeply about the concept of a threshold and how to use it to make a robot react to its environment. It is based on my Teachers Introduction Course to LEGO® MINDSTORMS NXT & EV3 at BOGATECH’s website. Here the programing examples are […]

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EV3 Software compatibility with NXT

This is a summary of the LEGO MINDSTORMS Education EV3 Software with the NXT brick and associated hardware. Remember: The NXT firmware cannot be updated using Firmware Update in the EV3 software. If you want to use the EV3 Software with the NXT brick, you still need the NXT software (NXT-G or equivalent – e.g. […]

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