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161 Articles

Programmable Pump Keeps Its Stick On The Ice

May 30, 2015 by 15 Comments

Need to water your plants? Pump some coolant on a mill? Fill a watermelon with booze? Never fear, because the third greatest Canadian behind [Alan Thicke] and [Bryan Adams] is here with the solution to all your problems! It’s a cordless pump for desktop CNC, repair, and horticulture that automates daily chores and pumps out exact amounts of liquid.

[Chris], [AvE], Bright Idea Workshop, or, ‘that guy that records videos in his shop’ is rather well-known around these parts; we’ve seen him make an $80,000 gold-plated cutting fluid pot, a copper laminate desk, and recharge his cell phone with a car and a pencil. He’s very, very good at futzing around in his shop and the dialog is the closest YouTube will ever get to Click and Clack the Tappet Brothers, albeit without wheezing laughter.

The Kickstarter is for a rechargeable cordless pump, controlled by a microcontroller, that dispenses liquids of varying viscosity onto the item of your choice. It’s perfect for adding cooling to a drill press, watering plants, or something or everything involving beer.

Details on the pump are a little sparse, but given the liquid never touches the pump we’re putting money on some type of peristaltic pump. Add volume measurement, programmable flow rate adjustment, a timer, and dispensing programmable volumes of liquid, and you’ve got something useful.

Thanks [Scott] for the tip.

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Hackaday Links: May 17, 2015

May 17, 2015 by 17 Comments

Here’s a worthwhile Kickstarter for once: the Prishtina Hackerspace. Yes, that’s a Kickstarter for a hackerspace in Kosovo. Unlike most hackerspace Kickstarters, they’re already mostly funded, with 20 days to go. If we ever get around to doing the Istanbul to Kaliningrad hackerspace tour, we’ll drop by.

Codebender is a web-based tool that allows you to code and program an Arduino. The Chromebook is a web-based laptop that is popular with a few schools. Now you can uses Codebender on a Chromebook. You might need to update your Chromebook to v42, and there’s a slight bug in the USB programmers, but that should be fixed in a month or so.

Here’s a great way to waste five minutes. It’s called agar.io. It’s a multiplayer online game where you’re a cell, you eat dots that are smaller than you, and bigger cells (other players) can eat you. [Morris] found the missing feature: being able to find the IP of a server so you can play with your friends. This feature is now implemented in a browser script. Here’s the repo.

The FAA currently deciding the fate of unmanned aerial vehicles and systems, and we’re going to live with any screwup they make for the next 50 years. It would be nice if all UAV operators, drone pilots, and everyone involved with flying robots could get together and hash out what the ideal rules would be. That’s happening in late July thanks to the Silicon Valley Chapter of AUVSI (Association for Unmanned Vehicle Systems International).

SOLAR ROADWAYS!! Al Jazeera is reporting a project in the Netherlands that puts solar cells in a road. It’s just a bike path, it’s only 70 meters long, and it can support at least 12 tonnes (in the form of a ‘fire brigade truck’). There’s no plans for the truly dumb solar roadways stuff – heating the roads, or having lanes with LEDs. We’re desperately seeking more information on this one.

Makey Makey Made Smaller

May 11, 2015 by 17 Comments

When it launched in 2012, the Makey Makey was the golden child of the maker movement. It was a simple, easy to use board with holes for alligator clips and a USB socket that would present capacitive touch pads as a USB HID device. Thus, the banana piano was born.

The Makey Makey is a device specifically designed to introduce kids to electronics in a way the Arduino can’t match; even with an Arduino, most of the work is with code. If you’re introducing electronics to a class of 10-year-olds, that might be a bit too much.

Now there’s a new Makey Makey on the block. It’s the Makey Makey Go, and it’s the same user experience as the Makey Makey classic made cheaper and much more rugged.

The Makey Makey Go features a single touch pad to clamp an alligator clip to. That’s enough to send any keypress or a mouse click over USB, where a wide variety of apps and games can make this tiny thumb drive-sized board useful. Banana pianos are out, and plant harps and Jello Flappy Bird are in.

There aren’t many details about the internals of the Makey Makey Go, but [Jay] from Makey Makey says the prototypes are based on the ATMega32u4, while the production units will use cheaper chips. Video below.

Continue reading “Makey Makey Made Smaller” →

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Hackaday Links: April 26, 2015

April 26, 2015 by 11 Comments

In case you haven’t heard, we’re giving away a trip to space. We have $50,000 to promote giving away a trip to space too, and this week we’re giving away some OSH Park gift cards. If you have a project that’s held together with hot glue on a 40-year-old piece of perf board, add a project log describing how you need some free PCBs.

A few months ago, some guy in Texas found the original molds for the Commodore 64C, the Plus/4 and the 128. That discovery turned into one of the best examples of what Kickstarter can do. Now, new keycaps are being manufactured with an Indiegogo campaign. If you’re waiting on your C64c case to be pressed out of a mold, this is not the time to think about the sunk cost fallacy. They’re not Cherry MX compatible, but they will work with just about every version of the C64. Not bad for under €20.

The UK has a fabulously rich history of ancient melee weapons, ranging from the flail to the mace and a bunch of odd bladed weapons used by the Scots. This tradition was passed down to the UK mains plug, the single most painful plug to step on. Apple just released a USB charger with a folding UK mains plug and [oliver] did a teardown on it.

For St. George’s Day in Catalonia, there’s a tradition of giving roses to women, and books to men. [Nixieguy] has all the books he could want, and would prefer to receive a rose. Bucking tradition, he made himself a rose from a punch card. It’s the closest he’s going to get to ‘@}-\—’. A few years ago, he carved a rose out of a 10mm LED.

Finally, a decent tutorial on how to grow your own SMD components.

Need to take apart a cellphone? Use acetone! Need the phone to work after you take it apart? Ummmm….

The Dayton Hamvention is just three weeks away! Yes, the same weekend as the Bay Area Maker’s Faire, which means most of the Hackaday crew will be elsewhere, but I hear [Chris Gammell] will be there putting Parts.io stickers on everything. By the way, I’m looking for a Tek PM203 Personality Module for a 68000 64-pin PDIP.

The Digistump Oak; An ESP8266 On Kickstarter

April 25, 2015 by 58 Comments

When it was first released, the ESP8266 was a marvel; a complete WiFi solution for any project that cost about $5. A few weeks later, and people were hard at work putting code on the tiny little microcontroller in the ESP8266 and it was clear that this module would be the future of WiFi-enabled Things for the Internet.

Now it’s a Kickstarter Project. It’s called the Digistump Oak, and it’s exactly what anyone following the ESP8266 development scene would expect: WiFi, a few GPIOs, and cheap – just $13 for a shipped, fully functional dev board.

The guy behind the Oak, [Erik Kettenburg], has seen a lot of success with his crowdfunded dev boards. He created the Digispark, a tiny, USB-enabled development board that’s hardly larger than a USB plug itself. The Digispark Pro followed, getting even more extremely small AVR dev boards out in the wild.

The Digistump Oak moves away from the AVR platform and puts everything on an ESP8266. Actually, this isn’t exactly the ESP8266 you can buy from hundreds of unnamed Chinese retailers; while it still uses the ESP8266 chip, there’s a larger SPI Flash, and the Oak is FCC certified.

Yes, if you’re thinking about building a product with the ESP8266, you’ll want to watch [Erik]’s campaign closely. He’s doing the legwork to repackage the ESP into something the FCC can certify. Until someone else does it, it’s a license to print money.

The FCC-certified ESP8266 derived module, cleverly called the Acorn, will be available in large quantities, packaged in JEDEC trays sometime after the campaign is finished. It’s an interesting board, and we’re sure more than one teardown of the Acorn will hit YouTube when these things start shipping.

Crowdfunding Follies: $100 To Disprove Isaac Newton

April 23, 2015 by 170 Comments

Are satellites fake? Nobody knows, because no one has done an experiment to determine if rocket engines will produce thrust in a vacuum. At least that’s what this Kickstarter says, and it’s asking for $100 to test multiple types of rocket engines in an enclosed, evacuated chamber.

Anyone who has thought about this problem for half a second will tell you yes, rocket engines will work in a vacuum. It’s an application of Newton’s Third Law of Motion; if you explode fuel and dump it out the back of a rocket, the rocket will go forward. Rocket engines don’t push against air.

Strap in, because this one gets better. In a video linked to from the Kickstarter Campaign, satellites do not exist. This is because gas molecules in the thermosphere can reach 2,500 °C, hot enough to melt the metal satellites are made of. Never mind that the 2,500 °C figure is only for individual gas molecules; the atmosphere at these altitudes is so rarefied, there isn’t much contact with matter. Oh, second point: have you ever realized that a Google image search of the word ‘satellite’ mostly shows illustrations and renders? It’s not because to take a picture of a satellite in orbit would require two satellites flying in formation; no, it must be because satellites don’t exist. It gets better from there.

Kickstarting Even More Router-Based Dev Boards

April 22, 2015 by 41 Comments

The latest and greatest thing makers and IoT solutions is apparently router hacking. While most Hackaday readers lived through this interesting phase where Linksys routers were used to connect sensors and other such digital bits and bobs to the Internet a few years ago, SOCs have improved, and now there are router-based dev boards.

The latest is the Onion Omega, an exceptionally tiny board just under two inches square. Onboard is an Atheros AR9331 chipset – the same found in a number of cheap WiFi routers – attached to 32 pins breaking out GPIOs, SPI, I2C, and USB. With WiFi and Ethernet, this is a board designed to connect sensors, motors, actuators, and devices to the Internet.

This is not the only recent router-based dev board to make it to the crowdfunding sites. A week or so ago, the Domino hit Kickstarter, featuring the same AR9331 chipset found in the Onion Omega. The Onion does have a few things going for it – cloud integration, a web-based console, and an app store that make the Onion vastly more useful for the ‘maker’ market. The Domino has a boatload of pins available, and competition is always good, right?