An I2C bus scanner can be a helpful first step in debugging an I2C system. Are all the devices that I think should be present actually there and responding? Do they all work at the bus speed that ...

He didn’t have an amateur radio license, so he decided to use it as a police scanner. Since the schematics ... send his own signals to the chip over I2C using an Arduino. He also recorded ...

The best OBD-II scanners were once expensive luxuries that were exclusive to mechanics and other professionals. Those days are long gone, and we recommend that every driver has one to help ...

For example, you can use stock scanners like Magnifi and Interactive Brokers to filter stocks by industry, price, the average number of shares that change hands during a day and more. Stock ...

If you're wondering how to digitize those shoeboxes full of photos sitting in your attic, a leading option is a personal photo scanner. Photo scanners can be faster than other options, such as ...

Whether you need to scan family photos, piles of documents, or expense receipts, a scanner out there is built for the task. Here's how to shop for the right one, plus the top performers in our lab ...

I2C is a two-wire, bidirectional bus protocol that enables effective communication between one master (or multiple masters) and one or more slave devices. It is a straightforward, half-Duplex, ...

The I 2 C-bus is fabulously popular and successful as a low-cost way to attach chips together in small embedded systems. In some systems, though, these chips need to be opto-isolated to avoid damage ...

Since 2004, I have worked on PCMag’s hardware team, covering at various times printers, scanners, projectors, storage, and monitors. I currently focus my testing efforts on 3D printers ...

Today's all-in-one printers suffice for the occasional scan, but photo buffs and family archivists alike turn to dedicated photo scanners to digitize their prints and film. Their high sensor ...