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The Scrum in Hardware Guide

Purpose of the Scrum in Hardware Guide

This guide serves to define Scrum in Hardware with specific technical practices and patterns to achieve rapid releases and short iterations in Hardware. This guide is a living document that will evolve based on community feedback and learning from the field.  Any company can utilize this guide and confirm their implementation on Scrum in Hardware along with clear steps to do it better. This document refers to Scrum as defined in the Scrum Guide without tailoring or modification.

Agile projects focus on releasing early and often, and harnessing change for the customer’s advantage, even late in development. How could we possibly afford to do this in hardware?! This guide is composed entirely of production projects and team practices, including highly regulated industries, and may be used for organization structure or re-structuring.

Uncertainty in Hardware Projects

Hardware projects have more material costs involved and tend to have a higher risk of sunk cost and cost of change. Those increase during the lifecycle of the project and inversely relate to the uncertainty in the project. We reduce the cost to make change, even late in development, through modularity, flexible mass production tooling, few materials which are compatible with the fastest and most flexible tooling available to us, and minimalist (elegant) design.
Uncertainty in Hardware Projects

Stubs and Mock-Ups

Plane diagram stubs and mock-up use in Scrum in Hardware
Prototypes help the team gain an overall understanding of the product, handle interfaces and test assumptions. Using the first draft of the production intent interfaces with prototypes as early as possible maximizes learning and minimizes risk. We recommend teams building stubs of each module that will be connected in sprint one.

Modularize

The final product should be producible in one week. This allows for weekly review by any interested stake holders and compliance officials to reduce risk, which deprecates the need to divide a hardware project into phases for risk reduction. In cases where the technology to do this does not yet exist nor in a team, we can split into modules which quarantine long-lead, complex, or highly regulated areas. The way of dividing a hardware project ‘slicing’ is important. It should be possible for each team to test assumptions about their module without depending on other teams. E.g. testing the wind resistance of a car exterior works better when only one team owns and works on the exterior. Modules can also be used to separate the areas with the longest test and certification cycles so that other areas may be iterated and approved more quickly.
modular hardware development scrum in hardware

Continuously Integrate

continuous integration scrum in hardware manufacturing facility
We can only ship a module if it passes all tests after being plugged into all the other modules in our system. As software projects speed up by automating the integration, hardware teams have tremendous speed advantages if they also automate the integration of what multiple teams produce. This likely means automated robots, and may mean a flexible team of craftspeople ready to plug various teams’ outputs together and run through a prepared checklist of integration tests.

Interface Design

Interfaces should be designed in a reusable way. Fragile or elaborate interfaces with many steps to connect or disconnect discourages experimentation. Further they should be planned with at least 10x capacity of what is needed. This does add weight and size at the boundary between modules. In exchange, the speed of iterating the entire system increases. This allows us to more than make up this weight and size gain while building in room for growth in our finished product which is The most expensive to change.
nterface Design in Scrum in Hardware

Test and Data Driven Development

Development should be designed in way to test assumptions (test driven development). Hardware test cases can be written. With Internet of Things (IoT) and sensor technology data about almost every behavior of hardware parts can be measured and should be used to continuously improve.

Team

Team members should collaborate, be co-located and pair at least per module. The fastest teams we observe have clear tests to pass, a very quick feedback loop to validate new ideas against those tests, and are willing to work collaboratively and outside their core expertise.

Working Product at the End of Each Sprint

The ultimate test of having Scrum in Hardware work is if you have a working product at the end of each Sprint.

About the Authors

Joe Justice is the founder and CEO of Team WIKSIPEED. Joe’s work includes collaboration with Bosch, Microsoft, Amazon, 3M, Ford, Boston Scientific, QuintilesIMS, Chevrolet, MIT, HP Labs, the founder of Xerox PARC, among hundreds of others, to ship products and services in one week sprints or less.

Team WIKISPEED is an international manufacturer of road legal automobiles with operations in 23 countries and a 1 week new model introduction cycle; open source, collaborative building products, like road legal cars, like Wikipedia editors update articles.

Fabian Schwartz is the founder of ScrumColombia.org, CEO of CASMENA Executive Development and SBS Management Consultants.

William Newing is the founder of Pink Cherry Blossom consulting firm and Product Owner of the WIKISPEED Lynnwood, WA, USA factory.

Chris Wallace is a professional Scrum Coach, Consultant, and Product Owner of the WIKISPEED Burleson, TX, USA factory.

Mary Michael Justice is the Scrum Master of WIKSIPEED corporate, assembled the first Scrum team at the company, and removes impediments to happiness or velocity from the top management level.

This document is copyright 2017 Joe Justice. It is available to be used anywhere without modification.

6 Comments

  1. ismaine Ayouaz
    ismaine Ayouaz on 10/15/2019 at 2:29 pm

    Hi there,

    What about Agile and Scrum for infrastructure and systems team. how to implement an agile transformation for these types of teams and how to best use Scrum? any return of experience to share ?

    Reply
  3. Karin
    Karin on 4/23/2018 at 8:38 am

    Hi :),
    I am an agile coach for Software development.
    Now I start a new project as an agile coach for hardware development.
    I want to prepare myself as best as I can. Have you got some suggestions for books regarding Scrum in the hardware development?
    Thanks a lot

    Reply

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