EPS v2 Walkthrough – Part 1: MCU, CAN and bacBus
It's time to talk #cubesat Dev Kit hardware — and first up is the board at the heart of the power system: The Build a CubeSat EPS Main Board v2. Thanks to @PCBWayCom for sponsoring this episode! Use my referral link to get $5 credit: https://pcbway.com/g/i2s1I5 We open with an executive summary of what changed and why, walk through the most impactful design decisions in this version, and then dive deep into the #kicad schematic and #pcb together. Join the Discord: / discord Get a notification when Dev Kit v1 becomes available to order: http://bac.page/devkit-v1 ⏱️ Timestamps 0:00 Intro 01:09 90 Second Overview 02:32 Major Design Decisions & Limitations 04:01 Pros and Cons of Modularity 04:50 KiCad Walkthrough: #stm32 #mcu 08:45 KiCad Walkthrough: #canbus 11:03 PCBWay Assembly Service 12:33 Assembly Files: Pick and Place 13:03 Assembly Files: BOM 13:55 Sourcing: Public Lists on@digikey 14:52 Ordering Assembled PCBs 16:36 KiCad Walkthrough: bacBus 18:36 KiCad Walkthrough: Side Panel Connectors 20:10 Thanks and Outro 🌐 External Links PCBWay: The Necessary Files & Info for Assembly Orders: https://www.pcbway.com/smt_ordering_g... 🏔️ Repo Links EPS Main Board v2r3 docs: https://bac.page/eps-v2r3 EPS Main Board v2r3 release: https://codeberg.org/buildacubesat-pr... EPS Buck Module TPSM5D1806 v2r2 release: https://codeberg.org/buildacubesat-pr... EPS Charger Module BQ25306 v1r3 release: https://codeberg.org/buildacubesat-pr... bacBus: https://bac.page/bacbus Software Repo: https://bac.page/sw-repo All repos on Codeberg: https://bac.page/codeberg This episode: https://codeberg.org/buildacubesat-pr... 📺 Relevant Episodes 10:48 Differential impedance tangent: • CubeSat Microcontroller Main Board Develop... 📦 CubeSat Resources I'm maintaining a community-driven resource collection about CubeSat Development: https://cubesat-resources.space 🛰️ Support This Project If you are looking for a way to support this channel, leave a tip or become a member :) Channel Memberships: / @buildacubesat Patreon: / buildacubesat Ko-fi: https://ko-fi.com/buildacubesat PayPal: https://tinyurl.com/bac-donate --- Need a friendly, non-corporate GitHub/GitLab alternative? Check out https://codeberg.org --- #buildacubesat #episode #s03e05
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