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Dietrich Christopeit edited this page May 31, 2022 · 6 revisions

In this school project we try to achieve controlling the LEGO All wheel Xtreme off-road vehicle (42099) via Bluetooh with the Raspberry Pi 4B.

This project wiki is still under construction as is the online version of the API. However, the code is fairly well documented. Due to a mistake the online Sphinx-Docu got lost.

Table of Contents

1. Project Description

1.1 Source of Information / Material

2. Solution approach

2.1 Gallery

3. Project setup

3.1 HW / Programming Environment

3.1.1 HW Setup

3.1.2 Toolchain setup

4. State of knowledge / findings

4.1 Communication Protocol at a glance

4.2 Connecting the Lego Technics Hub

4.2.1 Retrieving general information from the Hub

4.2.1 Where to go next?

4.3 Ports / Sensors etc.

4.3.1 Writing commands to ports

4.3.2 Receiving Notifications from ports

4.3.3 Examples

4.3.3.1 Making a Motor turn - time based
4.3.3.2 Making a Motor turn - angle based
4.3.3.3 Receiving notification from portsLalles
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