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Archive: Electronics
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October 4, 2007
'Making Things Talk'--DIY projects that communicate
CNET has a mention about our new book 'Making Things Talk' here. I just received my preview copy (the book is from us at MAKE) and if you're interested in getting knee deep in hardcore micro-controller programming for cool/artsy projects this is for you!
More:
Programming microcontrollers used to require an expensive development environment costing thousands of dollars and requiring professional electrical engineering expertise. But recent innovations, such as open-source physical computing platforms with simple i/o boards and development environments, have given hobbyists, hackers and makers new options for homebrewing video games, robots, toys, and more.
This book contains a series of projects that teach you what you need to know to get your creations talking to each other, connecting to the Web, and forming networks of smart devices. Whether you need to plug some sensors in your home to the Internet or create a device that can interact wirelessly with other creations, Making Things Talk shows you exactly what you need.
The projects in this book are powerful but inexpensive to build: the Arduino and Wiring microcontroller kits themselves cost around $40. The networking hardware covered here includes Ethernet, Wi-Fi, Zigbee, and Bluetooth, and can be had for $50 to $100. With a couple of microcontroller kits and the networking gadgets of your choice, you can make things and make them talk to each other! - Link (order now at the Maker store).
Posted by Phillip Torrone |
Oct 4, 2007 02:00 AM
Announcements, DIY Projects, Electronics |
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| Comments (2)
LilyPad Arduino
LilyPad is a wearable e-textile technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available. They're even washable! - Link & more.
Posted by Phillip Torrone |
Oct 4, 2007 12:00 AM
DIY Projects, Electronics, Kits |
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| Comments (2)
October 3, 2007
Carlos Vamos & the amazing visible AIRguitar demonstration
Carlos Vamos & the amazing visible AIRguitar demonstration - [via] Link.
Posted by Phillip Torrone |
Oct 3, 2007 01:00 PM
DIY Projects, Electronics, Music |
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Sensing squeeze
Rebecca Stern (MAKE and CRAFT author!) has a cool project sensing "squeeze" she writes -
I'm researching squeeze sensing as a mode of tactile interface. Here I will cover the process of developing a squeezeable sensor and the firmware/software concerns associated with interpreting the data from the sensor. This fulfills the "sensor project" for my class called Computational Principles in Media Arts taught in AME at ASU by Todd Ingalls and Hari Sundaram.Sensing squeeze - Link.First off, how do we sense "squeeze?" People squeeze all kinds of things: lemons, steering wheels, loved ones, toothpaste and other toiletries, pimples, stress balls, hand exercisers. I would like to focus on the latter two, which provide a therapeutic activity for those with Repetitive Strain Injury (RSI). Using flex sensors arranged in a certain pattern on a spherical object, in this case a rubber dog toy, one can capture whenever the ball is squeezed.
Posted by Phillip Torrone |
Oct 3, 2007 12:00 PM
DIY Projects, Electronics |
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| Comments (2)
October 2, 2007
The "music" of slot/pinball electro-mechanics
Daniel Vera, of Helsinki's Association Experimental Electronics, has a cool Flickr set and a number of YouTube vids (linked from Flickr) of rusty n' dusty components of pinball and slot machines being resuscitate and turned into clacking circuit-bent sequencers.
Sequencer - Link
Posted by Gareth Branwyn |
Oct 2, 2007 06:00 PM
Arts, DIY Projects, Electronics, Retro |
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October 1, 2007
JTAG pinout detector
JTAG is a standard for device testing ports found on the PCBs of many devices. Finding the pads and pinouts for these ports allows hackers to gain access to the embedded systems, their on-board debugging tools, etc., effectively providing a back door. But determining the JTAG pinouts can be a time-consuming and frustrating process. To help in this, a German hardware hacker named Hunz has created the JTAG Finder, an automatic JTAG pin-out detector, using an 8bit AVR ATmega16/32L microcontroller. Details of the project, and a call for others to get involved, can be found on the JTAG Finder wiki. He also wants to build a JTAG Found database of known device pinouts.
Related:
Posted by Gareth Branwyn |
Oct 1, 2007 02:00 PM
Computers, DIY Projects, Electronics |
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Boarduino - Breadboard-compatible Arduino clone
Wow! Check out the Boarduino a breadboard-compatible Arduino clone -
If you've ever struggled to use a solderless breadboard with an Arduino, you understand how frustrating it can be! I designed this Arduino clone to solve this problem in an inexpensive DIY fashion. Kits with all parts are available in the Adafruit webshop for $17.50Boarduino - Breadboard-compatible Arduino clone - Link & kits with all parts are available in the Adafruit webshop for $17.50 - Link.The Boarduino is an Arduino clone: when programmed with the Arduino bootloader, it can talk to the Arduino software and run sketches just like the original.
Posted by Phillip Torrone |
Oct 1, 2007 08:00 AM
DIY Projects, Electronics, Kits |
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| Comments (1)
Keyless entry hack
Ryan (co-founder of the MAKE NYC group) made a cool keyless entry hack for his apartment awhile back, he writes -
Now don't tell the co-op board, but I crafted a plan to ditch my Mul-T-Lock key for good. My apartment building, of course, uses an intercom system to remotely unlock the front door for guests, deliveries, etc. This keychain upgrade gets me in the front door... keylessly.Keyless entry hack - Link.The mechanism is simple enough, just a momentary button on the panel in my apartment, but the mess of wires in the wall is a little unsettling. I took some meter readings of the terminals and sorted out the door button wiring. You can see where the door button is soldered through the PCB, which made it easier to identify the proper terminals. This panel has a "Door", "Talk" and "Listen" button. The "Door" button is normally-open and the circuit is about 22V. In the following steps we're going to effectively bypass the button with our own circuit.
Posted by Phillip Torrone |
Oct 1, 2007 05:00 AM
DIY Projects, Electronics, Home Entertainment |
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| Comments (1)
Alarm clock/countdown timer kit
Here's a fun kit, it's a fully functional alarm clock and stopwatch... Link.
Posted by Phillip Torrone |
Oct 1, 2007 12:00 AM
DIY Projects, Electronics, Kits |
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| Comments (2)
September 29, 2007
SensorBib upright bass augmentation
Spencer Russell created a "sleeve" for his upright bass to house electronic sensors which detect his position relative to the instrument. The sensors use an Arduino board to communicate with a computer running PD (PureData) to translate the sensor information into sound. He used Blender and QCad to make a 3D model of his bass in order to create a pattern for his fabric sleeve. He'll be at October's Dorkbot NYC if you want to see this in person. Link.
Posted by Becky Stern |
Sep 29, 2007 10:00 AM
Arduino, Arts, DIY Projects, Electronics, Music, Open source hardware, Wearables |
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| Comments (0)
September 28, 2007
Make a mellotron out of walkmans - Weekend Projects Podcast
This week Eric Beug joins me this week to make a musical instrument out of walkmans. The mellotron is an instrument that uses taped audio through a keyboard interface. Finding inspiration in Mike Walters' Melloman, we hacked together a simple circuit to trigger loops of tape to make a super simple sampler. We had originally thought to use getlofi's parallel port sequencer, but ended up going with the arduino instead. I'll have the pdf, including the program that goes on the arduino, available for download Saturday. - Subscribe Link
We got the walkmans for two bucks apiece on the west end of Canal Street in New York City and there were still a lot left there.! If you need an arduino, we sell them now in the Make: Store - Link
Posted by Bre Pettis |
Sep 28, 2007 09:00 AM
Electronics, MAKE Podcast, Weekend Projects |
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| Comments (7)
Wi-Fi antenna extender hack
You know that someone is going to cry fraud any time there's a how-to on extending wi-fi range. And this one is no exception (read the Comments). I don't know why people doing these projects don't show before and after readings on a signal strength meter to prove their claims. I'm not a radio engineer or a ham, so I can't really judge without trying this out for myself on a spare antenna. I'd be interested to know what MAKE readers think who have experience in this area.
WIFI Antenna Hack! - Link
Related:
- Other wif-fi antenna coverage on MAKE: Blog - Link
Posted by Gareth Branwyn |
Sep 28, 2007 05:00 AM
DIY Projects, Electronics, Wireless |
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| Comments (8)
September 27, 2007
Jacob's Ladder project
Here's a brief piece on creating a high-voltage Jacob's Ladder from a neon sign transformer, some insulators, and wire electrodes. Just in time for Halloween.
Oh, and this is high-voltage, so don't mess with it if you don't know what you're doing.
Make a Jacob's Ladder - [via] Link
Posted by Gareth Branwyn |
Sep 27, 2007 08:00 PM
DIY Projects, Electronics |
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| Comments (1)
Clock tells time as a conversation
The "It's about time" clock turns time into a conversation rather than just hours, minutes, and seconds. Maybe version 2.0 will sync to your calendar software and tell you how late you are.
Posted by Jonah Brucker-Cohen |
Sep 27, 2007 05:33 PM
Electronics |
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| Comments (1)
Seven-segment big LED display
Cool Circuit has a how-to on building large (6" high") 7-segment digital displays using 14 super-bright white LEDs. They use the PIC16F876A microcontroller and can be cascade-connected to form up to an 8-digit display.
Posted by Gareth Branwyn |
Sep 27, 2007 09:00 AM
DIY Projects, Electronics |
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| Comments (1)
September 26, 2007
Interactive LED coffee table kits
Evil Mad Scientist Laboratories has teamed up with Because We Can to create two awesome interactive LED coffee tables with hundreds of LEDs in the tops that respond to motion. Because We Can is selling completed tables for $1800 to $2500. EMS Labs is selling the LED tabletop kits (you provide the table and endless hours of soldering) for $350 or $450 (depending on the number of LED panels).
Interactive LED Coffee Tables: Update and kits! - Link
Posted by Gareth Branwyn |
Sep 26, 2007 08:00 PM
Crafts, DIY Projects, Electronics |
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| Comments (3)
Nice shirt...
Shirt design by Ed Lewis -- modeled by Saul Griffith... Link.
Posted by Phillip Torrone |
Sep 26, 2007 01:00 PM
Electronics |
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| Comments (5)
The PIC based Super probe
The Superprobe project was designed to see how much could be done with a PIC chip and just a few parts. This device is designed around a PIC16F870, a 4 digit LED display module and very little else... Link.
Posted by Phillip Torrone |
Sep 26, 2007 11:00 AM
DIY Projects, Electronics |
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| Comments (2)
The MP3 stick (DIY/Homemade MP3 player)
Nice AVR based MP3 player... -
The MP3stick is a simple and small portable MP3 player. A microcontroller Atmel AVR ATmega128 is the heart of the circuit. MP3 decoding is done by an VLSI VS1011b decoder IC. A MMC/SD card works as memory medium for MP3 files, playlist files and skin files. The player is designed to draw his power from a LiIo/LiPo battery with 3.6V. a charger cicuit, based on MAX1811, is included. All information will be shown on a Nokia color LCD with 128x128 pixel and 256 colors. The player will work in text-only mode and if a skin file is available, also with nice graphic skins. A docking port allows outside connectivity for serial control signals, audio signals and charger voltage input.The MP3 stick (DIY/Homemade MP3 player) - Link.
Posted by Phillip Torrone |
Sep 26, 2007 10:00 AM
DIY Projects, Electronics, Music |
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| Comments (2)
Arduino based air, gps and social electronic device
Source and schematics for the Arduino based AIR project... -
AIR is a public, social experiment in which people are invited to use Preemptive Media's portable air monitoring devices to explore their neighborhoods and urban environments for pollution and fossil fuel burning hotspots.Arduino based air, gps and social electronic device - Link.Participants or "carriers" are able to see pollutant levels in their current locations, as well as simultaneously view measurements from the other AIR devices in the network. An on-board GPS unit and digital compass, combined with a database of known pollution sources such as power plants and heavy industries, allow carriers to see their distance from polluters as well. The AIR devices regularly transmit data to a central database allowing for real time data visualization on this website.
While AIR is designed to be a tool for individuals and groups to self identify pollution sources, it also serves as a platform to discuss energy politics and their impact on environment, health and social groups in specific regions.
Posted by Phillip Torrone |
Sep 26, 2007 09:00 AM
Arduino, DIY Projects, Electronics |
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| Comments (0)
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