Accept credit cards on your phone using mobile readers and apps from Square, PayPal, or Chase. Download the app, connect a ...

Complete EMV card reader guide covering technology, benefits, compliance requirements, and ROI. Discover why chip-enabled terminals are essential for modern payment processing.

If you’ve wiring up a microcontroller and need some kind of storage, it’s likely you’ll reach for an SD card. Compared to other ways of holding data on your project, SD cards are ...

SD cards have been a ubiquitous part of our tech lives for going on 25 years now, having replaced older formats like MultiMediaCard. While our phones have mostly jumped off the microSD train in favor ...

A good UHS-I card is quick enough for most people’s needs, and the Lexar Professional Silver Plus is the best value of the ones we’ve tested. Paired with Lexar’s USB card reader, it consistently ...

Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying decisions and get more from technology. With the HP FilmScan 5-Inch Touch Screen Film Scanner, it's ...

VCC Power Connects to 3.3V on the Pico. GND Ground Common reference ground. MISO/DO Master In Slave Out SD → Pico data line. MOSI/DI Master Out Slave In Pico → SD data line. SCK SPI Clock Clock signal ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Elissa Sanci Elissa Sanci is a senior writer who has reported on label makers, ...

We’re in a golden age of portable gaming. Nintendo is still the king of the mountain with the Switch 2, but the market is also just lousy with handheld gaming PCs that you can play wherever you want.

Take a CFexpress Type B + SD card reader, add storage space alongside for Type B, SD and microSD cards, then encase the whole thing in a waterproof, shock-resistant shell. That's exactly what you get ...

If you regularly shoot and edit stills or video on location, this little gadget is a no-brainer. It combines a fast dual-slot UHS-II SD & microSD card reader with storage for 4 SD and 4 microSD cards, ...