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Archive: Electronics
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June 13, 2007
iRobot Create Robot (review)
Todbot (author of Roomba Hacking) has a review of the iRobot Create Robot, he writes -
At the 2007 CES iRobot announced a robot explicitly designed for hobbyist and educational robotics experimenters called the iRobot Create.Hacking Roomba » iRobot Create Robot Review - Link.The iRobot Create is now shipping and iRobot kindly sent me one to review and verify it's applicability to the Hacking Roomba book.
In short, all the projects Hacking Roomba work great with the Create, as it's fully compatible with all ROI-based Roomba hacks. The Create is a better device for robotics experimentation if you're an educator, academic, or serious about robotics. However, if you're a casual hacker, a Roomba Red still provides a better value (and is a vacuum cleaner to boot).
Posted by Phillip Torrone |
Jun 13, 2007 09:00 AM
Electronics, Reviews, Robotics |
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Micro-Readerboard build
Windell writes -
MAKEKits wrote up an article on Instructables about assembling and reprogramming our little LED Micro-Readerboards. They suggest assembling the project with a socket so that you can take the microcontroller off and reprogram it in an external programmer.Micro-Readerboard Build - Link.Another way to build it with a socket is how we're demonstrating here, in this test fixture for the project.
This setup has a tiny piece of perfboard that connects a 20-pin DIP ZIF socket and a socket for the 18-pin LED display. Thus, both the AVR microcontroller and the LED display are socketed, and can be easily removed. This fixture is used primarily to test programmed AVRs. Since the chips are swapped out regularly, the ZIF socket makes sense, even though it's more expensive than a regular DIP socket.
You can get the kits now @ the Maker store ($15). The LED Micro-Readerboard kit is a fun little open source soldering kit that provides an introduction to the capabilities of microcontrollers.The readerboard spells out preprogrammed messages such as "MAKE" one letter at a time on its alphanumeric LED display.- Link.
Posted by Phillip Torrone |
Jun 13, 2007 05:00 AM
DIY Projects, Electronics |
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June 12, 2007
TTL to RS232 adaptor explained
David @ uCHobby writes in -
Here's how to build a simple TTL to RS232 adaptor for your microcontroller projects. You should be able to scrounge all the parts you need or buy them at your local Radio Shack. In this article I explain how the adaptor works and provide many links to more information you need to know as a microcontroller hobbyist. This article should be very helpful to those that receive the free Arduino kit offered by uC hobby as part of the Arduino Microcontroller kit giveaway.uC Hobby » Blog Archive » TTL to RS232 adaptor Explained - Link.
Posted by Phillip Torrone |
Jun 12, 2007 06:00 PM
DIY Projects, Electronics |
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USB Temperature sensors and more
Raph writes -
This is a project to interface sensors to an USB port for collecting weather related data such as temperature. The firmware supports many different sensors and interfaces. At the moment, temperature, relative humidity and atmospheric pressure can be measured, logged and graphed.USBTenki: USB Temperature sensors and more - Link.
Posted by Phillip Torrone |
Jun 12, 2007 02:00 PM
DIY Projects, Electronics |
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KOBA electronics in Singapore
JRL writes -
We saw so many MAKE articles on Surplus/Electronics paradises in the US, I thought I'd contrast it a bit by showing what Electronics shopping looks like in South East Asia. ("Part Mining" is meant literally here!). Maybe the most impressive diy electronics paradise in Singapore is a tiny, well hidden shop in People's Park Center, 101 Upper Cross Street, Suite #03-06, near the Financial district and in walking distance of the tourist hubs like Funan Center and Clarke Quay. Rather small in size, I am perfectly confident to say that not one other shop in the world has reached this packing density.KOBA Electronics - Link.
Posted by Phillip Torrone |
Jun 12, 2007 09:00 AM
Electronics, MAKE Playlist |
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| Comments (4)
Milkscanner V1.0
Fiezi made a 3D scanner using milk, webcam and LEGOs -
The Milkscanner is a tool that allows the scanning of objects and creates a Displacement map for use with Moviesandbox or any other 3D App that would allow for displacement mapping.Ingredients:
- 1 Webcam
- 1 Tupperware Bowl
- 3 cups of Milk
- 1 custom LEGO rig
You can download the Milkscanner PC-Application (creates the displacement map automatically from a webcam image) from the Moviesandbox webpage too -instructables : Milkscanner V1.0 - Link.
Related:
Posted by Phillip Torrone |
Jun 12, 2007 06:00 AM
DIY Projects, Electronics, Imaging, LEGO, Virtual Worlds |
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| Comments (3)
LED Bike helmet
Great LED bike helmet project from R.Stern -
Here is how to add safety LEDs to your bike helmet using conductive paint. I was always losing those lights you clip on to your bike, and they're not cheap or good quality.instructables : LED Bike Helmet - Link.
Related:
HOW TO - Make a LED Bike light system - Link.
HOW TO - Make a 40-LED bicycle light - Link.
HOW TO - Build a simple Luxeon LED bike headlight - Link.
Antique bike light LED mod - Link.
HOW TO - Add a LED to an old bicycle headlight... - Link.
DIY bike light - Link.
Posted by Phillip Torrone |
Jun 12, 2007 05:00 AM
Bicycles, DIY Projects, Electronics |
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| Comments (0)
Atari style joystick interface with Arduino
Michael writes in with an Atari style joystick interface made with an Arduino -
I just wanted to show you the Atari joystick interface that I made. A friend had challenged me to create an interface to an Atari style joystick. I thought immediately of the Arduino microcontroller board. I interfaced the joystick to the Inputs. And wrote a program that will serially output the state of each joystick position simultaneously. The LEDs that are hooked up are an output were a debugging tool to make sure the program was working correctly. I am working on a schematic in Eagle.(slowly as I'm trying to learn Eagle as well)Atari Style Joystick Interface - Link.
Posted by Phillip Torrone |
Jun 12, 2007 03:00 AM
DIY Projects, Electronics, Gaming |
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| Comments (3)
LED art fan
Think geek has a really neat LED fan which you can put your own images on -
5MB of Storage holds 128 individual picturesThinkGeek :: LED Art Fan - Link.
85 diameter pixel resolution
Chrome Art-Deco style
Supports Windows 98, 2000 and Windows XP
Requires an available serial port
Programmable with IR transmitter (included)
It's $389.99 - so you might want to consider some DIY solutions if that's out of your range...
Spinin' LEDin' for POVin' (one color):
MiniPOV - Link.
SpokePOV Kit - Link.
Posted by Phillip Torrone |
Jun 12, 2007 12:00 AM
Electronics |
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| Comments (4)
June 11, 2007
"Dead bug" iPod charger
Here's a "dead bug" version of the Mintyboost (iPod, cell phone, USB gadgets)... Link.
Posted by Phillip Torrone |
Jun 11, 2007 03:00 PM
DIY Projects, Electronics |
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| Comments (0)
JTAG programmer
Here's a really nice Xilinx JTAG CPLD/FPGA Programmer sent in by MAKE reader J. (schematic / image to etch your own included) - Link.
Posted by Phillip Torrone |
Jun 11, 2007 12:00 PM
DIY Projects, Electronics |
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Bare bones Arduino time lapse
Steve writes -
Modern Device has a *really* sweet electronics kit for $15 that has most of the Arduino functionality at about half the price. What’s even better is that it’s about 1/3 smaller than the arduino board. Also, it now has 6 pulse width modulators due to it using an upgraded version of the microcontroller chip than the older one I had. What’s really fantastic is that this kit goes together really easily, and if you buy 10 of them, the price drops to $10 a piece… ! And it’s still an arduino! So the programming environment is cross platform and open source… just like the hardware!bare bones arduino at Steve Cooley Fine Art - Link.
Posted by Phillip Torrone |
Jun 11, 2007 09:00 AM
DIY Projects, Electronics |
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| Comments (1)
mac mini in an Apple SE / 30
This is sweet a Mac mini in an Apple SE30, thanks Hans! Link.
Posted by Phillip Torrone |
Jun 11, 2007 08:00 AM
Computers, DIY Projects, Electronics, Retro |
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| Comments (3)
HOW TO - Make a laser more powerful
How To MAKE A BURNING LASER, Save 100's Of $$$ - For more of the funniest videos, click here
I'm not sure what exactly this video modded to make their laser more powerful (screw and soldered a component?) perhaps a maker out there with a cheap green laser can check it out - [via] Link.
From the pages of MAKE:
Mini High-Power Laser by Stephanie Maksylewich in DIY: Circuits. MAKE 10 - page 140. Liberate a 200mW laser from a DVD burner. Subscribers--read this article now in your digital edition or subscribe to MAKE (use code CMAKE and get MAKE for an additional $5 USD).
Posted by Phillip Torrone |
Jun 11, 2007 02:00 AM
DIY Projects, Electronics |
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| Comments (7)
June 8, 2007
HOW TO - Read Wii nunchuck data into an Arduino
Chad writes -
I was able to get an Arduino board to read in data from a wii nunchuck. You can read the joystick, buttons and accelerometer data. Using the nunchuck is even cheaper than buying an acceleromter by itself.Read wii nunchuck data into arduino | Windmeadow Labs - [via] Link.
Posted by Phillip Torrone |
Jun 8, 2007 05:00 AM
DIY Projects, Electronics, Gaming |
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| Comments (2)
June 7, 2007
AVR Butterfly MP3 player
Update to the open source AVR Butterfly MP3 player -
A basic MP3 player using a NOKIA 3310 LCD and AVR Butterfly. Currently supports both graphical display and the original butterfly screen. Basic FAT16 support on MMC cards.AVR Butterfly MP3 player - Link & more.This is an open source project so contributions are most welcome. Hardware designs in Protel 2004, Protel 99 and Eagle 4.1 format. All code is compiled using GCC with avrlibc 1.2.
New firmware version 0.6. - Accurate Battery usage indication, Full FAT16 Directory Support, Serial Remote control interface.
Posted by Phillip Torrone |
Jun 7, 2007 12:00 PM
DIY Projects, Electronics, Open source hardware |
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| Comments (0)
The Arduino ethernet board
Massimo posted some details about the mysterious Arduino ethernet board... Link.
Posted by Phillip Torrone |
Jun 7, 2007 08:00 AM
Electronics |
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| Comments (0)
Steampunk LCD monitor mod
Jake (re)made an incredible steam punk - victorian era monitor mod, he writes...
The Steampunk Keyboard looked terribly anachronistic sitting in front of my Dell 1907FP flat panel monitor and while I hesitated to tear open a $300 monitor that was still under warantee, art must be served.
Steampunk Flat-Panel LCD Mod - Link.
Related:
Telegraph Sounder - Link.
Steampunk Keyboard Mod - Link.
Steampunk mouse - Link.
Posted by Phillip Torrone |
Jun 7, 2007 06:00 AM
Computers, DIY Projects, Electronics, Retro |
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| Comments (5)
Beginning embedded electronics
Spark Fun has a new series of tutorials, here's the first, beginning embedded electronics -
This is a series of lectures written for those with mild electronics background (aka Sophomore in Electrical and Computer Engineering) to learn about the wild world of Embedded Electronics. I assume only that you know what electricity is and that you've touched an electrical component. Everything else is spelled out as much as possible. There is quite a lot here so take your time! It is also my intention to get book-hardened EE's students to put down the calculator and to plug in an LED. Remember, if it smokes, at least you learned what not to do next time!Spark Fun Electronics - Link.
Posted by Phillip Torrone |
Jun 7, 2007 04:00 AM
DIY Projects, Electronics |
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| Comments (3)
June 6, 2007
Octopart - Hardware Blog: ATLAS
In addition to some great new features on the electronics part searchin' Octopart (PDF, project saving, sharing and more) - they've started posting hardware stories - check'em out...
Like many particle physics experiments, ATLAS is a collection of several concentric cylinders, each cylinder being a different detector technology. At the center of all the cylinders two very high energy beams of protons are brought into collision; it's then the job of the different detectors to give some clue as to what just happened by measuring the trajectories of the particles that were produced. The inner cylinders can make very precise measurements of where a particle crosses it, but are also very expensive to build per unit area. The outer cylinders are cheaper per unit area to build, but not as precise. The pixel detector - what I work on - is the inner most layer. It's taken many hundreds of man years to get to where we are now, and all for an active area of less than 1 1/2 square meters....Blog - Octopart - Link.
Posted by Phillip Torrone |
Jun 6, 2007 08:00 PM
Electronics |
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| Comments (0)
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