Full episodes of my DIY CubeSat development project – covering hardware, software, CAD and everything else related to getting a satellite from idea to orbit in an accessible and maker friendly way,
Curated by: Build a CubeSat (36 videos)
Today we round out the #cubesat #eps v2 coverage with a look at the buck module, charger module, USB-C PD, load switch, and LDO — plus a flight software update you won't want to miss. Thanks to @PCBWayCom for sponsoring this episode! Use my referral link to get $5 credit: https://bac.page/pcbway We also walk through the steps after placing a PCB assembly order with #pcbway — including BOM iterations, a last-minute component swap, and what it costs to run 20 prototype boards. Join the Discord: https://discord.gg/yeusgM75ys ## ⏱️ Timestamps 00:00 Intro 00:16 Buck Module v2r2 @TexasInstruments TPSM5D1806 01:21 Module Test Setup Ideas and Panelization 02:22 Charger Module v1r3 #texasinstruments BQ25306 04:05 USB-C PD Sink Controller, Take 1: Diodes AP33771C 04:54 PCBWay Assembly Ordering: BOM Iterations 07:25 USB-C PD Sink Controller, Take 2: Hynetek HUSB238 08:08 Current Sensors: TI INA219 08:45 PD IC Switch Postmortem 09:35 Tangent: #kicad 10 Artifact Generation Script 10:37 Load Switch & TI ADS1113 Confusion 11:44 Tangent: Meet Gui & Flight Software Update 12:30 ADS1115 Switch 13:32 Low Dropout Regulator: ST LD40L 14:35 Undervoltage Lockout: TI TPS3842A010 15:52 Production Status & Road Ahead 16:36 Cost Breakdown 17:50 Thanks and Outro ## 🛰️ Support This Project If you are looking for a way to support this channel, leave a tip or become a member :) - Channel Memberships: https://www.youtube.com/channel/UCLf9aKlW-TbC8zbrl0OvKLQ/join - Patreon: https://patreon.com/buildacubesat - Ko-fi: https://ko-fi.com/buildacubesat - PayPal: https://tinyurl.com/bac-donate ## 🌐 External Links - PCBWay: The Necessary Files & Info for Assembly Orders: https://www.pcbway.com/smt_ordering_guide.html ## 🏔️ Repo Links - Gui's amazing work on #flightsoftware: https://codeberg.org/buildacubesat-project/bac-software - EPS Main Board v2r3 docs: https://bac.page/eps-v2r3 - EPS Main Board v2r3 release: https://codeberg.org/buildacubesat-project/bac-hardware/releases/tag/eps-main-board-v2r3 - EPS Buck Module TPSM5D1806 v2r2 release: https://codeberg.org/buildacubesat-project/bac-hardware/releases/tag/eps-buck-module-tpsm5d1806-v2r2 - EPS Charger Module BQ25306 v1r3 release: https://codeberg.org/buildacubesat-project/bac-hardware/releases/tag/eps-charger-module-bq25306-v1r3 - All repos on Codeberg: https://codeberg.org/buildacubesat-project - This episode: https://codeberg.org/buildacubesat-project/bac-docs/src/branch/main/content/s03e06 - Upcoming content: https://codeberg.org/buildacubesat-project/bac-docs/src/branch/main/content/content-plan.md ## 📺 Relevant Episodes - EPS v2 Walkthrough – Part 1: MCU, CAN and bacBus: https://youtu.be/82ujJ1URRxk - Flight Software: The Iceberg That Could Sink My Project: https://youtu.be/I6Y9H1x5E3o ## 📦 CubeSat Resources I'm maintaining a community-driven resource collection about CubeSat Development: https://cubesat-resources.space --- Need a friendly, non-corporate GitHub/GitLab alternative? Check out https://codeberg.org --- #buildacubesat #episode #s03e06