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 ...

In this video, I created a blood oximeter by using the MAX30105 particle sensor to figure out the changes in color of passing ...

Digital Convergence Corporation is hardly a household name, and there’s a good reason for that. However, it raised about $185 ...

Looking for an app to help you track expenses, scan invoices, and receipts? We've reviewed the top 6 receipt scanner apps. Find out the best software for you. I’ve tested the best receipt scanning ...

Finding the best scanner for your needs can be challenging when there are so many types and sizes available. Most flatbed and sheetfed scanners are geared toward everyday office tasks or photo image ...

Need to scan family photos, piles of documents, or expense receipts? Our experts have tested the best options for every scanning scenario. Since 2004, I have worked on PCMag’s hardware team, covering ...

We list the best OCR software, to make it simple and easy to create a digital archive of your documents and images. The best OCR software can convert any scanned document or image into readable text ...

The I2CKeyPad8x8 library implements the reading of a 8x8 keypad by means of a PCF8575. Smaller keypads, meaning less columns or rows (e.g. 5x4) can be read with it too. Sometimes you need to control ...

Abstract: In this research paper, The Multi-Protocol Conversion Unit (MPCU) is designed and simulated using Hardware Descriptive Language (HDL). This unit acts like a bridge and can perform data ...