Use NFC Tags To Unlock Your Computer

Near-Field Communication (NFC) is useful for all sorts of things, including locking or unlocking your PC when you sit down to work. The Electrodog Show, over at Instructables, shows us how to set it up.

I'm Ayah Bdeir, CEO Of LittleBits, And This Is How I Work

Working with electronics can be intimidating for people like me — I don’t know a soldering iron from a glue gun, and I definitely don’t know how to read a circuit diagram. Luckily, there’s littleBits.

Build Your Own Arduino-Powered Laser Cutter

Laser cutters are great DIY tools, but they’re expensive. If you’d prefer to build your own, Instructables user SilverJimny shows you how using an Arduino.

This Auto-Trigger Spray Bottle Keeps Cats Off Counters

If you’re looking for a new way to keep cats off kitchen counters or regularly mist the plants, Tinkernut‘s auto-triggered squirt-bottle hacks may work for you. One’s easy to make, the other’s high-tech but more functional.

Unlock A Door With An Arduino And Your Smartphone

If you’re sick of using your boring old keys to unlock your door, Make has a guide for using an Arduino to power a lock that you can control with your smartphone.

Make A Multimeter Breadboard-Friendly

Breadboards and multimeters are both staples of any of DIY electronics project, but they don’t play well together because multimeters don’t usually have probes small enough to fit into the breadboard. Instructables user landimatteo solves this problem with a clever little mod.

Build A Raspberry Pi-Powered Face Recognition Lockbox

Want to protect your valuables but don’t feel like carrying around a key or remembering a combination? Make has a guide for building a Raspberry Pi-powered system that unlocks itself with face recognition.

The Best Raspberry Pi Accessories

The Raspberry Pi is a fantastic device and the fact that it’s open source means that all kinds of great accessories exist for it. These are some of the best Raspberry Pi accessories for your DIY projects.

Program And Customise Your Vibrator With An Arduino

Some vibrators do nothing but buzz. Fancier models may have different vibration patterns, but if you really want to experiment — and test out your programming chops — you can create your own vibration patterns with an Arduino.

Build A DIY Ambient Weather Indicator With An Adafruit Neopixel Ring

Have an office without a window? Not sure whether to grab your jacket or umbrella on the way out? Sure you could hit the Internet or pop open a weather app on your smartphone, but what fun would that be?