https://www.youtube.com/watch?v=rxWCJmp54sw
When [krich] switched keyboards he lost his volume control. So he decided to hack one together out of an Arduino, an old floppy disc case, and a Hover Labs Hover board (not the Back to the Future kind). You can see the result in the videos below.
There’s an elephant in the room when it comes to the Raspberry Pi Zero. The Pi Zero is an immensely popular single board computer, but out of stock issues for the first year may be due to one simple fact: you can run a Nintendo emulator on it. Instead of cool projects like clusters, CNC controllers, and Linux-based throwies, all the potential for the Pi Zero was initially wasted on rescuing the princess.
Espressif has a new chip coming out, the ESP32, and it’s a miraculous Internet of Things thing. It’s cheap, exceptionally powerful, and although we expect the stock issues to be fixed faster than the Pi Zero, there’s still a danger: if the ESP32 can emulate an NES, it may be too popular. This was the hypothetical supply issue I posited in this week’s Hackaday Links post just twenty-four hours ago.
Hackaday fellow, Hackaday Supercon speaker, Espressif employee, and generally awesome dude [Sprite_tm] just ported an NES emulator to the ESP32. It seems Espressif really knows how to sell chips: just give one of your engineers a YouTube channel.
This build began when [Sprite] walked into his office yesterday and found a new board waiting for him to test. This board features the ESP-WROOM-32 module and breaks out a few of the pins to a microSD card, an FT2232 USB/UART module, JTAG support, a bunch of GPIOs, and a 320×240 LCD on the back. [Sprite]’s job for the day was to test this board, but he reads Hackaday with a cup of coffee every morning (like any civilized hacker) and took the links post as a challenge. The result is porting an NES emulator to the ESP32.
The ESP-32-NESEMU is built on the Nofrendo emulator, and when it comes to emulation, the ESP32 is more than capable of keeping the frame rate up. According to [Sprite], the display is the bottleneck; the SPI-powered display doesn’t quite update fast enough. [Sprite] didn’t have enough time to work on the sound, either, but the source for the project is available, even if this dev board isn’t.
Right now, you can order an ESP32; mine are stuck on a container ship a few miles from the port of Long Beach. Supply is still an issue, and now [Sprite] has ensured the ESP32 will be the most popular embedded development platform in recent memory. All of this happened in the space of 24 hours. This is awesome.
Back in the 90s when surface mount components gained widespread adoption, the quick and cheap PCB prototyping services of today were unavailable. This led many to develop their own approaches. In Japan a particularly novel and beautiful approach was, and still is, somewhat popular. [NE555]’s work is a excellent example of this technique using a fine enameled wire (you can find this on eBay as “magnet wire”), wirewrap board, and careful hand soldering. [NE555] has made a great video on the process (which you can watch below).
Continue reading “[NE555]’s SMD Prototyping Is A Work Of Art”
Friday was the 2016 Open Hardware Summit, a yearly gathering of people who believe in the power of open design. The use of the term “summit” rather than “conference” is telling. This gathering brings together a critical mass of people running hardware companies that adhere to the ideal of “open”, but this isn’t at the exclusion of anyone — all are welcome to attend. Hackaday has built the world’s largest repository of Open Hardware projects. We didn’t just want to be there — We sponsored, sent a team of people, and thoroughly enjoyed ourselves in the process.
Join me after the break for a look at the talks, a walk through the swag bags, and a feel for what this wonderful day held.
Continue reading “The People, Talks, And Swag Of Open Hardware Summit”
I am always torn about the title of “engineer.” When I talk to school kids about engineering, I tell that an engineer is a person who uses science and math to solve or analyze practical problems. However, these days you hear a lot of engineering titles thrown around to anyone who does any sort of technical (and sometimes non-technical) work. “Software engineers” don’t have to be licensed to practice, while civil engineers do. What’s in a name and does any of this matter?
Self-driving cars are something we are continually told will be the Next Big Thing. It’s nothing new, we’ve seen several decades of periodic demonstrations of the technology as it has evolved. Now we have real prototype cars on real roads rather than test tracks, and though they are billion-dollar research vehicles from organisations with deep pockets and a long view it is starting to seem that this is a technology we have a real chance of seeing at a consumer level.
A self-driving car may seem as though it is beyond the abilities of a Hackaday reader, but while it might be difficult to produce safe collision avoidance of a full-sized car on public roads it’s certainly not impossible to produce something with a little more modest capabilities. [Jaimyn Mayer] and [Kendrick Tan] have done just that, creating a self-driving R/C car that can follow a complex road pattern without human intervention.
Unexpectedly they have eschewed the many ARM-based boards as the brains of the unit, instead going for an Intel NUC mini-PC powered by a Core i5 as the brains of the unit. It’s powered by a laptop battery bank, and takes input from a webcam. Direction and throttle can be computed by the NUC and sent to an Arduino which handles the car control. There is also a radio control channel allowing the car to be switched from autonomous to human controlled to emergency stop modes.
They go into detail on the polarizing and neutral density filters they used with their webcam, something that may make interesting reading for anyone interested in machine vision. All their code is open source, and can be found linked from their write-up. Meanwhile the video below the break shows their machine on their test circuit, completing it with varying levels of success.
For the last seven months, Hackaday has been hosting the greatest hardware competition on Earth. The Hackaday Prize is a challenge to Build Something That Matters, asking hardware creators around the world to focus their skills to change the world.
The results have been spectacular. In five rounds of design challenges, we’ve seen more than 1000 entries and so far eighty of them have won $1000 and a chance to win the Grand Prize: $150,000 and a residency at the Supplyframe DesignLab in Pasadena.
Last week, we wrapped up the last challenge for the Hackaday Prize: Assistive Technologies. We’re now happy to announce twenty of those entries that have been selected to move to the final round and have been awarded a $1000 cash prize. Congratulations to the winners for the Assistive Technologies portion of the Hackaday Prize:
The finalists from each round are now being sent to our fantastic panel of judges. One of them will be awarded the Hackaday Prize. In addition to the prestige, they will win $150,000 and a residency at the Supplyframe DesignLab in Pasadena. Four more of the finalists will receive the other cash prizes of $25k, $10k, $10k, and $5.
Find out who will win live at the Hackaday Superconference on November 5th. The greatest hardware conference on the planet — the two-day hardware spectacular with an awesome speaker lineup, great workshops, and a fantastic community — includes the Hackaday Prize part. There’s still time to get a ticket to participate in this hardware spectacular and witness the crowning of the winner of The Hackaday Prize.
