CubeSat EPS: Breadboard Prototype

Join the Discord: https://discord.gg/yeusgM75ys In this episode we find out if the main components I picked for my #cubesat EPS actually work together by hooking up some eval boards to a @raspberrypi Pico W on a breadboard. *Dev kit shop will be up in late 2025 / early 26* – get pinged: https://forms.gle/5a2UZdfcyUmFjTZd8 ## 🛰️ 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-paypal-donation *Timestamps* 00:00 Intro 00:25 Solar Cells 01:35 Battery Charger 02:15 Buck Regulator 02:46 3V3 Regulator and RBF Jumper 03:36 Dashboard and PMBus Struggles 06:16 Charging Test 07:06 Discharging Test 08:36 Next Steps and Outro *Parts* Battery charger: #analogdevices LTM8062: https://www.analog.com/en/products/ltm8062.html Buck regulator: @analogdevicesinc LTM4675: https://www.analog.com/en/products/ltm4675.html Solar Cells: ANYSOLAR SM141K10TF: https://www.digikey.ch/de/products/detail/anysolar-ltd/SM141K10TF/14311415 Temperature sensor: @adafruit PCT2075 Breakout: https://www.adafruit.com/product/4369 Current sensor: #adafruit INA228 Breakout: https://www.adafruit.com/product/5832 *Repo Links* EPS Breadboard Dash: https://codeberg.org/buildacubesat-project/bac-software/src/branch/main/eps-breadboard-dash *Video Links* Block Diagram and Part selection: https://youtu.be/0nqGzLot9TQ Battery Selection: https://www.youtube.com/watch?v=01msKY_211g *Links* PMBus Data Formats Presentation: https://pmbus.org/wp-content/uploads/2017/07/2017_APEC_PMBus_Direct_Data_Xfer_Format.pdf *Contact* Get in touch: https://buildacubesat.space Need a friendly, non-corporate GitHub/Gitlab alternative? Check out https://codeberg.org/ #buildacubesat #episode #s01e11