The Anker SD card reader has two slots built-in. We get one for a standard SD card and one for MicroSD. It’s universal in its ...

Well, you can! All you need is Anker’s 2-in-1 SD/microSD USB-C reader accessory that’s now on sale for just $9 (was $18). At ...

All mainstream credit card numbers obey a mathematical trick designed to catch the most common typos. It’s called the Luhn ...

It’s also pretty cheap, with prices starting at just $15 for a standalone module or $28.50 for a module + carrier board that offers a bunch of extra features. Just keep in mind that this is a low-cost ...