Real-Time SD Card Failure Detection System
https://maker.pro/arduino/projects/real-time-sd-card-failure-detection-system
In this project, you'll learn how to create a system that can detect a malfunction in an SD card and alert you.
2-minute stories on "vintage" phones.
https://maker.pro/arduino/projects/2-minute-stories-on-vintage-phones
2-minute story phone using a microcontroller and a self contained MP3 player with SD card reader.
How to Make an Audio Player With Speaker Using the Arduino Uno
https://maker.pro/arduino/projects/arduino-audio-player
Make a simple Arduino audio player that plays .wav files from an SD card in as little as 10 minutes.
MicroAmp-Meter
https://maker.pro/custom/projects/microamp-meter
MicroAmp-Meter which is a current measurement tool featuring auto-ranging, Wi-Fi current profiling, SD card logging options, and more. It is a portable current meter that can record and profile the current consumption of devices in real time.