Measuring CO2 using I2C & embedded Rust - moxi Ep1

The Rusty Bits May 23, 2025
Video Thumbnail

About

No channel description available.

Video Description

This is the first episode in a three-part series where we try to turn the microbit into an air quality monitor. Today we're finding hardware, learning about I2C, and figuring out how this can be built in embedded Rust. Subscribe : https://www.youtube.com/@therustybits?sub_confirmation=1 Patreon : https://www.patreon.com/therustybits Chapters 0:00 Intro 1:09 The Hardware 3:12 The Bus 7:11 The Interface 11:15 The Driver 15:35 The Cleanup 17:48 The Thief Special thanks to `word` and `long` Patreon supporters! - Gaël Giraud - Χάρης Αμαράντηγος - Jason Whitlark - Bogdan Project stuff Today's code | https://github.com/therustybits/moxi SCD40 | https://www.adafruit.com/product/5187 Seeed BitMaker v2 | https://www.seeedstudio.com/CH-BitMaker-V2-p-5330.html Grove to Qwiic cable (use with Seeed boards) | https://www.adafruit.com/product/4528 Sparkfun breakout board | https://www.sparkfun.com/sparkfun-qwiic-micro-bit-breakout-with-headers.html Qwiic cable (use with Sparkfun board) | https://www.adafruit.com/product/4210 Useful stuff Aranet4 | https://amzn.to/4mrXktk Saleae logic analyzers (I have the Logic 8) | https://amzn.to/3ZrxjR6 ^ These are affiliate links, which cost you nothing, but will earn the channel a small commission if you decide to make a purchase. References microbit schematic | https://github.com/microbit-foundation/microbit-v2-hardware SCD40 datasheet | https://sensirion.com/media/documents/48C4B7FB/67FE0194/CD_DS_SCD4x_Datasheet_D1.pdf The Embedded Rust book | https://docs.rust-embedded.org/book/ "The Book" | https://doc.rust-lang.org/book/index.html