These days, there’s a huge variety of screens on the market for use with microcontrollers. OLEDs and graphic LCDs abound, while e-ink devices tempt the user with their clean look and low energy ...

Of all the pandemic-inspired business adoptions, perhaps none is as reviled as the QR-code menus. And yet, it persists. Early in the pandemic, restaurants ditched physical menus and instead revived a ...