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gauss3ever wondered how strong your magnets really are?

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The post Measuring Magnet Strength with a Dual Sensor Gauss Meter appeared first on Make: DIY Projects and Ideas for Makers.

We remember going to grandfather’s garage. There he would be, his tobacco pipe clenched between his teeth, wisps of smoke trailing into the air around him as he focused, bent over another of his creations. Inside of a simple glass bottle was something impossible. Carefully, ever so carefully, he would use his custom tools to twist wire. He would carefully place each lead. Eventually when the time was right he would solder. Finally he’d place it on the shelf next to the others, an LED matrix in a bottle.

led-message-in-a-bottle-assemblyWell, maybe not, but [Mariko Kosaka]’s father [Kimio Kosaka] has done it. In order to build the matrix, he needed tools that could reach inside the mouth of the bottle without taking up too much space to allow for precise movement. To do this he bent, brazed, twisted, and filed piano wire into tools that are quite beautiful by themselves. These were used to carefully bend and position the LEDs, wires, and other components inside the bottle.

Once the part was ready, he used a modified Hakko soldering iron to do the final combination. We wonder if he even had to be careful to solder quickly so as not to build up a residue on the inside of the bottle? The electronics are all contained inside the bottle. One of the bottles contained another impressive creation of his: an entire Arduino with only wire, dubbed the Arduino Skeleton. Batteries are attached to the cork so when the power runs low it can be removed and replaced without disturbing the creation.

It’s a ridiculous labor of love, and naturally, we love it. There’s a video of it in operation as well as one with him showing how it was done which is visible after the break. He showed them off at the Tokyo Maker Faire where they were surely a hit.


Filed under: Arduino Hacks, led hacks

spotwelderLong-time Maker Matthew Borgatti recently completed work on a homemade spot welder, built from a scrapped microwave and a few other parts.

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The post Upcycle a Microwave into a Spot Welder appeared first on Make: DIY Projects, How-Tos, Electronics, Crafts and Ideas for Makers.

Feb
11

6-Axis Robot-Arm 3D Printer Runs on Arduino, Slings Spiderwebs

3D printing, arduino, Electronics, knitting, kuka, Machining, robot arm, Tools Commenti disabilitati su 6-Axis Robot-Arm 3D Printer Runs on Arduino, Slings Spiderwebs 

Extruder headMost industrial robots run on proprietary systems, but this experimental KUKA arm uses an Arduino MEGA to 3D print in 6 axes, mimicking the shapes found in nature. Despite the size of this KUKA arm with a custom toolhead attachment — a 3D printer extruder — carefully looking at the […]

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Feb
09

Altoids Tin Network Analyzer

analyzer, arduino, arduino hacks, filter, network analyzer, tool hacks, Tools Commenti disabilitati su Altoids Tin Network Analyzer 

Network Analyzers are frequently used for measuring filters, making them extremely valuable for building radios and general mucking about with RF. They are, however, extremely expensive. You can, however, build one in an Altoids tin with an Arduino Nano, a small screen, and an AD9850 frequency synthesis module picked up on eBay.

The basic idea behind a network analyzer is to feed a frequency into a device, and measure the amplitude coming out of the device, and plot this relationship over a frequency. [Bill Meara] has been a human network analyzer before, changing frequencies and plotting the output of devices under test by hand. [DuWayne] (KV4QB) build a device to automate the entire process.

The block diagram is easy enough – an AD9850 sends a signal to the device, and this is measured by the Arduino with a small amplifier. The signal is measured again when it comes back from the device under test, and all this is plotted on a small display. Simple, and [DuWayne] is getting some very good readings with a lowpass filter and crystal filter made on a small solderless breadboard.


Filed under: Arduino Hacks, tool hacks
Set
21

Rocket Scientists Are Arduino at Heart

arduino, arduino at heart, data, data logger, Electronics, Maker Faire, rockets, sensors, Tools Commenti disabilitati su Rocket Scientists Are Arduino at Heart 

The Carbon Origins Apollo data logger boardThis is the story of a group of college students who moved to the Mojave Desert, bought a house, painted it white, and turned it into a make-shift lab. Then they went out to launch rockets.

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screen-shot-2014-02-28-at-4-31-47-pmRaspberry Pi and Raspberry Pi Alamode join forces to control a Pinewood Derby race track.

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Feb
09

Tools on Display at Kickstarter

arduino, crowdfunding, kickstarter, Photography & Video, Tools, video Commenti disabilitati su Tools on Display at Kickstarter 

UnknownThe only thing I like better than creating my own tools is helping someone else do the same. These four recent Kickstarter projects interested me because to a great degree they're tools--helping you do things better.

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Ott
31

The MicroSlice – A tiny Arduino laser cutter

arduino, cutter, laser, MicroSlice, Tools Commenti disabilitati su The MicroSlice – A tiny Arduino laser cutter 

FLT6YJ4HMMFC254.LARGE

Arduino UNO R3 mini laser cutter:

A few years ago I saw an Instructable where Groover had used a pair of DVD-RW drives to make a pocket laser engraver. Inspired by the idea, driven by the recent purchase of a full-sized 50 watt CO2 laser cutter, and roused by the launch of the Microcontroller contest I took the decision to have a crack at making my own mini laser engraver.

The MicroSlice – A tiny Arduino laser cutter - [Link]

Screen Shot 2013-09-03 at 3.11.19 PMThere are a lot of different shields out there for Arduino. However, sometimes there arises a need to make your own. Even more plentiful in the world of electronics are integrated circuits that do a lot of nifty things. Some control output, some input, and some are sensors. In this edition of Projects with Ryan Slaugh I show you how to make your own custom proto shield.

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