Two ready-to-upload Arduino sketches for finding the addresses of I2C devices on your bus. Stop guessing addresses and stop digging through datasheets — scan the bus directly and get the answer in ...

Arduino’s Modulino Hub, Extender, and Motors simplify I2C expansion, long-cable communication, and protected motor control ...

What did Hackaday editors Elliot Williams and Al Williams read in Hackaday last week? Probably everything, but you can tune in and hear about their favorites on this week’s podcast. They ...

Overwhelmed with paper records? A fast sheetfed scanner can digitize them, so you can send them to the shredder. We've tested the best models and created a guide to help you find the right document ...

An Arduino UNO scanning station that combines an HC-SR04 ultrasonic sensor, an SG90 servo, a 16×2 I²C LCD, a start/stop button, and two status LEDs. The servo sweeps between 30° and 150°. When an ...

Time to convert your snapshots, slides, and negatives to digital format? Get the job done quickly with the right photo scanner. Here are the top performers in our testing, based on our deep-dive ...

After all, that’s precisely what the shop will do—so why not arm yourself with the same info? These days, there’s a huge range of scanners available, from basic plug-ins to high-tech Bluetooth models ...

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. High sensor resolutions and ...