Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, ...

A hackerspace is a place that generally needs to be accessed by a wide group of people, often at weird and unusual hours.

Wedge barcode scanners and serial barcode scanners both connect to a PC to scan barcodes into the system. They do not, however, work the same way and each has advantages and disadvantages. This ...

When it comes to streamlining inventory management and sales, having a reliable wireless Bluetooth 2D barcode scanner can make all the difference. Let’s explore some of the top-rated wireless 2D ...

At MD&M West 2025, Cognex Corp. (Booth #5354) showed Design News its DataMan 290, an AI-powered bar code reader suitable for use in any environment. Eric Hershberger, principal applications engineer ...

Eric Hershberger from Cognex demonstrates the company’s range of inspection equipment at the recent MD&M West tradeshow and conference in Anaheim, Calif. At MD&M West, which was held Feb. 4-7 in ...

This is a board that connects the RC522 board with an Arduino Nano. This project was made out of frustration due to wiring the RC522 board with an Arduino Nano every time I wanted to use it. The RC522 ...

An employee at Marsh supermarket in Troy scanned groceries using a UPC (Universal Product Code) and scanner for the first time on June 26, 1974. It started with a pack of gum that was scanned using an ...