Collaborate Disseminate
[Minikk], aka [Athul] is about to enter 10th grade and reports that they and their contemporaries are eschewing boring mobile games for 90s stuff and old games like PONG. Well, …read more Continue reading DIY Pocket PONG Breaks the Mobile Spell
[CarrotIndustries] wanted to add an audible warning for when the refrigerator door was left open. The result is a fridge buzzer that attaches to the inside of a fridge door …read more Continue reading Don’t Lose Your Cool With This Fridge Buzzer
Student and hacker [prusteen] recently fell in love with the Pomodoro method of time management. That’s where you concentrate on your task for 25 minutes, then take a five-minute break, …read more Continue reading World’s Cutest Pomodoro Timer Is Also a Clock
Are you tired of cats and other wildlife relieving themselves in your outdoor plant pots? As if accidental neglect won’t kill them fast enough. [TecnoProfesor] has a solution, and it doesn’t even involve a microcontroller. It detects the presence of approaching animals and then blasts them with annoying sounds and …read more
Continue reading Tiny Trash Can Repels Trash Pandas, Medium-Sized Cats
Let’s face it, we probably all sit at our computers for way too long without getting up. Yes, there’s work to be done, games to be played, and the internet abounds with people who are wrong and must be down-voted and/or corrected. We totally get and respect all that. However, …read more
The much-maligned Caps Lock key has been causing problems for decades, and its continued existence is controversial enough that Google decided to drop it all together in their Chromebooks. Until the rest of the industry decides to follow their lead, they’ll likely be no shortage of awkward emails or overly …read more
Continue reading Break The Caps Lock Habit With This Annoying Buzzer
Planning a game of Hacker Jeopardy at your next meetup? You’re going to want some proper buzzers to complete the experience, but why buy when you can build? [Flute Systems] has released an open source DIY game buzzer system based on the Arduino that will help instantly elevate your game. …read more
Continue reading Game On with these Open Source Arduino Buzzers
There’s perhaps no sound more recognizable than the frantic clicking of a Geiger counter. Not because this is some post-apocalyptic world in which everyone is personally acquainted with the operation of said devices, but because it’s such a common effect used in many movies, TV shows, and video games. If …read more
Continue reading Duck And Cover With This WiFi “Geiger Counter”
Sometimes, we need devices to notify us of something. The oven timer is going off. Your phone has a push notification. The smoke detector battery is getting low. All of these problems can be solved with a buzzer or an LED. It’s a simple and cheap problem to solve.
But what if you need to know if something’s wrong with a diesel engine that throwing out 90 dB of noise? What if you’re not guaranteed to be around that engine? What if you need to tell everyone within a half mile that something is wrong. Again, LEDs and beepers, but …read more
Continue reading The Quest For High Powered Blinky And Buzzing
[Tadas Ustinavičius] writes in to tell us of his latest project, which combines his two great loves of open source and annoying people: OpenKobold. Named after the German mythical spirit that haunts people’s homes, this tiny device is fully open source (hardware and software) and ready to torment your friends and family for up to a year on a CR1220 battery.
The design of the OpenKobold is quite simple, and the open source nature of the project makes this an excellent case study for turning an idea into a fully functional physical object.
Beyond the battery and the buzzer module, …read more
Continue reading Love Open Source but Hate People? Get OpenKobold