This week Parker and Stephen welcome Brenden Duncombe to the show to discuss the pros and cons of continuous integration and continuous delivery/deployment (aka CI/CD) for hardware. Continuous integration (CI) refers to the practice of automatically and frequently integrating code changes into a shared source code repository. Continuous delivery and/or deployment (CD) is a two-part process that refers to the integration, testing, and delivery of code changes. In theory, CI/CD helps organizations avoid bugs and code failures while maintaining a continuous cycle of software development and updates, but we wanted to learn more about this with Brenden, so Parker and Stephen asked him about CI/CD, and also covered the following: Brenden’s product development background“What is a Director of Customer Engineering?”A brief history of CI/CDWhy it’s the opposite of a nightmareUnit tests for software…how does it work for hardware?Pinball Wizardry A “smearing” vs. a “silo”Test-driven dev benefits over the entire dev cycleIs CI/CD a hard concept to sell?How to make the investment worthwhileThe Hardware Regression StruggleWhen start-ups aren’t really prepared for contract manufacturers What is the ideal development cycle?Building something for your contract manufacturer? Always build twoTeenage Engineering Prep your firmware people with dev boards before the hardware reaches them“Like taking your specification doc and writing a test doc on top of that”Standard Fixtures and Future MacroFab Projects+ more!About our guest: Brenden Duncombe is the Director of Customer Engineering at MacroFab. His extensive experience in Electrical and Systems Engineering, and his leadership in steering engineering teams from concept to manufacturing, make him an essential voice at Macrofab. Relevant links: Enhancing Operational Safety: Cyber-Resilient Approaches for Physically Secure PCB DesignsWEBINAR - January 30Brenden Duncombe on LinkedInWhat is CI/CD?Circuit Break Podcast #15: Ridiculously Blinking LEDA guide to continuous delivery in embedded developmentCircuit Break Podcast #40: Update on the MacroDuino and FX DEV BoardDevOps vs CI/CD – The Key DifferencesThank you for listening to the MacroFab Engineering Podcast!  We’d love to hear what you think of the show so please tweet at us @MacroFab and join our Circuit Break Community for discussions or email us at [email protected].