Matt Moffitt is a contributing editor and expert in getting the most out of credit cards and points (he carries at least 25 cards in his wallet at any given time). Originally from Sydney, Australia, ...

WiFIRCard is a credit card-sized ESP32-S3 board designed for home automation with two relays and a few GPIOs (headers and screw terminals) that can be controlled over WiFi 4 or an IR (infrared) remote ...

Welcome to Tutorial #48 in the “100 Cool Things with Cards” series! This trick is a sleek, foolproof piece of card magic that’s perfect for beginners and pros alike. You’ll learn how to create a ...

Save this article to read it later. Find this story in your account’s ‘Saved for Later’ section. Every greeting card I’ve ever received lives in a box under my bed. The truth is, when times are tough, ...