RWI Integration

posted on January 26, 2021

Course Content

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Lessons Status

1

Introduction

Introduction to “Roll With It”

RWI Concept Sketch

Participate: What features are we missing for Roll With It?

2

Background and Ideas

Battery Vs Motor Tradeoffs Intro

Battery, Motor and Chassis Initial Investigation

A Proposed Control Change

System Diagram Update

System Prototyping

Competitive Landscape

New course added for battery control board

3

Schematic creation

Intro to 3D Model Prototyping

Early Thoughts About A Micro Platform

Chassis Wheel 3D Modeling

Teensy Consideration

Participate – Beginning To Compare Micro Platforms

Distributed Computing Considerations

Seeking Out Dev Boards

Robot Kit Unboxing and Initial Assembly

Motor Assembly and Final Robot Assembly

4

PCB Layout

A New System Diagram Tool And New Diagram

Participate – Beginning RWI Integration Prototyping

Modifying The Shadow Chassis

Installing Motor Encoders And Disks

Considering A Low Cost Tablet

Hot Glue and Daisy Chained Power

The Importance of Strain Relief

Reviewing The $50 Kindle Fire Tablet

Troubleshooting The Arduino

Participate – Cabling for the RWI

5

Manufacturing

Revisiting The RWI Integration Assembly

Choosing a Preliminary Cable

Using Interrupts With The Encoder

2015 RWI Recap

What Info Is Passed Between Boards?

Controlling the RWI via steps

Functionizing The Code

Converting Our Code to the Nucleo Part 1

Converting Our Code to the Nucleo Part 2

Converting Our Code to the Nucleo Part 3

Wrapping Up Our Code Conversion

Debugging Conversion to Nucleo Part 1

Debugging Conversion to Nucleo Part 2

Debugging the Right Wheel

Starting on the Right Wheel

Adding a Start/Stop Button

6

Testing

Upcoming Motor Control Thoughts

A Refactoring Pass to Move On

Ceedling & Unity to TDD Wheel Code

TDDing the Straight Code

Continuing the Straight Code

TDDing the contents of a while loop

Finishing up while loop TDDing

Move Step Counter Out

Starting on our Drivetrain

Starting on our turning algorithm

Wrapping up linear turning algorithm