Tetris Goes Round and Round
Hackaday | Arduino Hacks
by Al Williams
1M ago
You’ve probably played some version of Tetris, but [the Center for Creative Learning] has a different take on it. Their latest version features a cylindrical playing field. While it wouldn’t be simple to wire up all those LEDs, it is a little easier, thanks to LED strips. You can find the code for the game on GitHub. In all, there are 5 LED strips for a display and 13 strips for the playing area, although you can adjust this as long as there are at least 10 rows. The exact number of LEDs will depend on the diameter of the PVC pipe you build it on. Using a PS2 controller, the games allow you t ..read more
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Change The Jingle In Your Makita Charger Because You Can
Hackaday | Arduino Hacks
by Lewin Day
1M ago
Lots of things beep these days. Washing machines, microwaves, fridge — even drill battery chargers. If you’re on Team Makita, it turns out you can actually change the melody of your charger’s beep, thanks to a project from [Real-Time-Kodi]. The hack is for the Makita DR18RC charger, and the implementation of the hack is kind of amusing. [Real-Time-Kodi] starts by cutting the trace to the buzzer inside the charger. Then, an Arduino is installed inside the charger, hooked up to the buzzer itself and the original line that was controlling it. When it detects the charger trying to activate the bu ..read more
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Arduino Provides No Fuss SNES-To-USB Conversion
Hackaday | Arduino Hacks
by Jenny List
2M ago
Even for those of us who are fans of retrocomputing, it’s fair to say that not everyone plays their old-school games on real old-school hardware. The originals are now fragile and expensive, and emulators are good enough that if the gaming experience is all you’re after there’s little point in spending all that cash. There’s one place in which the originals sometimes have the edge though, the classic controllers are the personal interface with the game. So when [Dome] found a SNES controller in an Akibahara shop, of course he picked it up. How to make it talk to a PC? Tuck an Arduino Pro Micr ..read more
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Don’t Panic: a Cooperative Bomb Defusing Game
Hackaday | Arduino Hacks
by Kristina Panos
2M ago
[Heath Paddock] wanted to confound his friends with a game that mimics an escape room in a box. About six months after starting, he had this glorious thing completed. It’s a hardware version of a game called Keep Talking and Nobody Explodes where players have five minutes to defuse a suitcase bomb. This implementation requires at least two players, one with the box-bomb itself, and one who holds all the knowledge but can’t see the box-bomb to defuse it. The wiring of the Mastermind module. [Heath]’s version has twice as many modules as the original game, each hand-wired one driven by an Ardui ..read more
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Arduino, Virtually
Hackaday | Arduino Hacks
by Al Williams
2M ago
While simulating an Arduino isn’t a new idea, a recent project by [LRusso] provides an open source JavaScript simulator that runs in your browser. You can try it out live or host it yourself if you prefer. The simulator looks much like the standard IDE, so there isn’t much to learn. You can select from several targets, including a UNO R3, a MEGA 1280, a MEGA 2560, or a NANO V3. At the bottom of the screen, you’ll see the correct number of digital pins, analog pins, and the serial monitor. The code is relatively new, and we noticed that the digital and output pins seem to work only for outputs ..read more
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Remote-Control Kinetic Sand Table Uses a Single Arduino
Hackaday | Arduino Hacks
by Kristina Panos
2M ago
There’s nothing fun about a Sisyphean task unless you’re watching one being carried out by someone or something else. In that case, it can be mesmerizing like this Arduino-driven kinetic sand table. What you can’t see. Image via [thang010146] on YouTubeLike many of these builds, it all started with an ordinary coffee table from the hacker’s favorite furnitüre store. [NewsonsElectronics] opened it up and added a 3mm-thick board to hold the sand and another to hold the rails and magnets. After designing some pieces to connect the rails and pulleys together, [NewsonsElectronics] let the laser cu ..read more
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The ScottoKatana Keyboard is Cutting-Edge
Hackaday | Arduino Hacks
by Kristina Panos
2M ago
The lovely thing about a hobby like keyboard building is that the melting pot of designs manages to never turn into a nasty porridge. Rather, it remains a tasty chili that keeps getting more flavorful with time. It’s a simple recipe, really; someone becomes dissatisfied enough with their peripherals to do something about it, often trying various designs until they either settle on one, or come up with yet another awesome variant that suits their needs — and possibly someone else’s down the line. The inimitable [Joe Scotto] has happened upon the katana layout, which has an inverse left-hand ro ..read more
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CH32 RISC-V MCUs Get Official Arduino Support
Hackaday | Arduino Hacks
by Tom Nardi
3M ago
Like many of you, we’ve been keeping a close eye on the CH32 family of RISC-V microcontrollers from WCH Electronics. You can get the CH32V003, featuring 2 kB RAM and 16 kB of flash for under fifteen cents, and the higher-end models include impressive features like onboard Ethernet. But while the hardware is definitely interesting, the software side of things has been a little rocky compared to what we’ve come to expect from modern MCUs. Things should start looking up a bit though with the release of an Arduino core for the CH32 direct from WCH themselves. It’s been tested on Windows, Linux, a ..read more
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Flashlight Door Lock Is a Bright Idea
Hackaday | Arduino Hacks
by Kristina Panos
3M ago
There are many ways to lock a door. You could use a keypad, an RFID card, a fingerprint or retina scan, Wi-Fi, Bluetooth, the list goes on. You could even use a regular old metal key. But none of these may be as secure as [mircemk]’s Arduino-based door lock that employs a smartphone’s flashlight as a pass code. At first blush, this seems horribly insecure. Use a plain old flashlight to open a door? Come on. But the key is in the software. In fact, between the typed-in pass code and the flash of light it generates, this lock kind of has two layers of security. Here’s what’s going on: inside th ..read more
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A High-End Studio Multiplexer Surrenders To An Arduino
Hackaday | Arduino Hacks
by Jenny List
3M ago
The equipment used in professional radio and TV studios is both extremely high quality and very expensive indeed, and thus out of the reach of an experimenter. Happily as studios are refurbished there’s a steady supply of second-hand equipment which can be surprisingly cheap, but as [Nathan] found out with a Quartz audio router, comes with no control software. What’s to be done with what’s essentially a piece of junk? Remove its brain and replace it with one that can be controlled, of course! On the PCB alongside a bank of switch matrices is an FPGA which does the heavy lifting. That’s “heavy ..read more
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