Pico W File I/O Done Right | SD Card Logging Tutorial

Log sensor data to an SD Card on the Raspberry Pi Pico W using proper C file I/O and the pico_vfs library. No lost readings — just removable, physical storage you can collect when you need it. I thought this would be daunting, but pico_vfs made it surprisingly easy. 🔒 Sponsored by WolfSSL: Build trust in your communicating devices with WolfSSL's embedded security libraries: 👉 https://wolfssl.com/drjonea 🚀 Get the Sensor Code: pico_vfs: https://github.com/oyama/pico-vfs My Project (GitHub): https://github.com/jondurrant/RPIPicoW-SDCard-Exp In this tutorial, you will learn: ✅ Pin-out of an SD / Micro SD Card ✅ How to wire an SD Card to the Pico W as an SPI peripheral ✅ How to use pico_vfs for proper C file I/O writes ✅ How to add timestamps to your logged data Timestamps: 00:00 - Sensor Data to SD Card 00:30 - SD Card 03:15 - SD Card to Pico Connections 04:00 - pico_vfs library 08:10 - Project Temp Sensor to SD Card 10:15 - Sponsor WolfSSL 11:00 - Adding Timestamps 18:35 - Demo 19:00 - Summary 🎓 Master Embedded Systems: My Udemy Courses: https://www.udemy.com/user/jon-durrant Visit my website: https://drjonea.co.uk ☕ Support the Channel: If you found this helpful, consider checking out my courses or using the affiliate or tips links below. It helps me keep making these tutorials! AliExpress Team: ​​https://s.click.aliexpress.com/e/_oDTzWBp Tips: https://revolut.me/drjonealtd Business Inquiries: [email protected] Disclaimer: I do not accept any liability for any loss or damage incurred from you acting or not acting as a result of watching any of my publications. You acknowledge that you use the information I provide at your own risk. Do your research. Copyright © Dr Jon EA Ltd #raspberrypipico #picow #embedded #iot #rp2350 #sdcard #dataloggging #cfileio