Many SD cards are equipped with a small yet significant feature—a physical switch located on the side. This switch serves as a safeguard against inadvertent alterations or erasures of data stored on ...

[Karl Lunt] has come up with a simple circuit for protecting data you have stored on SD cards. As is relatively well-known, the little lock switch on the side of most SD cards really doesn’t do ...

What is an SD card? Secure Digital is a memory card format developed for portable devices. This type of memory card is used in mobile phones, cameras, and computers. The SD memory card has a "write ...

[Karl Lunt] has come up with a simple circuit for protecting data you have stored on SD cards. As is relatively well-known, the little lock switch on the side of most SD cards really doesn’t do ...

SanDisk has created the first write-once SD memory card after over a year of talking about it. The WORM (Write Once Read Many) cards cannot be altered or deleted and are designed for information that ...