Clik here to view.
New Part Day: Espressif Announces ESP32-S2 With USB
Espressif, the company behind the extremely popular ESP8266 and ESP32 microcontrollers has just announced their latest chip. It’s the ESP32-S2. It’s a powerful WiFi-enabled microcontroller, and this...
View ArticleClik here to view.
By The Numbers: Which Rapper’s Rhymes Are The Freshest?
Beats and rhymes are life in the world of hip-hop. A rapper’s ability to seamlessly merge the two is the mark of a master wordsmith. Ranking a rapper’s contributions to hip-hop will forever remain...
View ArticleClik here to view.
Bringing PalmOS Back To Life
Ten years is almost ancient history in the computing world. Going back twelve years is almost unheard of, but that’s about the time that Palm released the last version of their famed PalmOS, an...
View ArticleClik here to view.
Modern Evolution of the Classic Water Rocket
Whether it was home-built from scraps or one of the various commercial versions that have popped over up over the years, there’s an excellent chance that the average Hackaday reader spent at least a...
View ArticleClik here to view.
Dummy Security Camera Is Smarter Than It Looks
The idea behind a dummy security camera is that people who are up to no good might think twice about doing anything to your property when they think they’re being recorded. Obviously a real security...
View ArticleClik here to view.
Playing NES Games On An Industrial EL Display
Modern consoles are fun, but there are certain charms to retro gear that keep hackers entertained to this day. The original NES is a particularly ripe ground for projects, being one of the most popular...
View ArticleClik here to view.
Wolfram Engine Now Free… Sort Of
You’ve probably used Wolfram Alpha and maybe even used the company’s desktop software for high-powered math such as Mathematica. One of the interesting things about all of Wolfram’s mathematics...
View ArticleClik here to view.
Windows Utility Helps ID Serial Ports
The humble serial interface has been around for a very long time, and will stay with us in one form or other for the foreseeable future. It was easy enough to keep track of back in the days when a...
View ArticleClik here to view.
Go Back in Time with a Laser Cut Wood 3D Printer Kit
About a decade ago, the only way the average hacker was getting their hands on a desktop 3D printer was by building it themselves from a kit. Even then, to keep costs down, many of these kits were made...
View ArticleClik here to view.
Student Rocket Makes It To Space
Where does the Earth’s atmosphere stop and space begin? It is tempting to take the approach Justice Potter Stewart did for pornography when judging a 1964 obscenity case and say “I know it when I see...
View ArticleClik here to view.
Improving A Cheap Frequency Counter With GPS
Frequency counters are useful tools for anyone that finds themselves regularly working with time-variant signals. There are a huge range available, from cheap eBay specials to expensive lab-grade...
View ArticleClik here to view.
Easy DIY Gecko Tape
Geckos are amazing creatures, with the ability to walk on and stick to all manner of surfaces. If you’ve ever woken up to see lizards on your ceiling, you’re already familiar with their capabilities....
View ArticleClik here to view.
Pitting 8-Bit Chess Games Against Modern Foes
UltraChess is a vintage chess game for the 8-bit MSX platform, running on the Z80. [flok] wondered just how capable the game really was, and set forth to test it against a variety of other chess...
View ArticleClik here to view.
Eurorack Synth Module Runs On ESP32
The ESP32 is well known for both its wireless communication abilities, as well as the serious amount of processing power it possesses for a microcontroller platform. [Robert Manzke] has leveraged the...
View ArticleClik here to view.
New Part Day: A 64-Bit RISC-V CPU In Raspberry Pi Hat Form
Over the last few years the open-source RISC-V microprocessor has moved from existing only on FPGAs into real silicon, and right now you can buy a RISC-V microcontroller with all the bells and...
View ArticleClik here to view.
CNCing An X-Acto Knife Holder
X-acto knives are popular as the scalpel of the craft world. Obviously, holders for the blades are available off-the-shelf, but you needn’t settle for store bought. [Ariel Yahni] set about making an...
View ArticleClik here to view.
Piezoelectric Crystals Explained
Summer in the Northern hemisphere means outdoor cooking. Matches are old school, and you are more likely to use a piezoelectric lighter to start your grill. [Steve Mould] has one, but he didn’t...
View ArticleClik here to view.
Your Own Milliohm Meter
We like to pretend that wires are perfect all the time. For the most part that’s acceptable, but sometimes you really do care about those tiny fractional ohm quantities. Unfortunately though, most...
View ArticleClik here to view.
One-Legged Robot Does the Hop
At first, we thought this robot was like a rabbit until we realized rabbits have a 300% bonus in the leg department. SALTO — a robot from [Justin Yim], [Eric Wang], and [Ronald Fearing] only has one...
View ArticleClik here to view.
Little Lamp To Learn Longer Leaps
Reinforcement learning is a subset of machine learning where the machine is scored on their performance (“evaluation function”). Over the course of a training session, behavior that improved final...
View Article