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History This project didn’t look complicated but it was. The MCU part is really simple: just some code for the Display, Keypad and DDS Communication. A DDS is a chip that is driven by a hi-frequency oscillator. I used a 50 Mhz clock. Inside this IC there is a big divider that goes down to less than 1Hz. All projects « MicroSyl | MCU Electronics projects All projects « MicroSyl | MCU Electronics projects
GarageLab (arduino, electronics, robotics, hacking) - #42
iBionics iBionics Insect Cyborgs NEW! Our recent paper on roach-bots in IEEE EMBC and the related video PLEASE FOR A BRIEF HISTORY of OUR PUBLICATIONS Controlled by neurons, muscles are the micro-mechanical actuators of the body.
Doobla da di dooda



Intro Phys Comp Labs Tutorials / Tutorials Tutorials / Tutorials
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Nspire BASIC Science Programs
TI-Nspire Programming - TI-Basic Developer The TI-Nspire is a unique calculator in the BASIC series. The calculator's programming system is remarkably similar to that of the 68k's hardware, but because the Nspire's internal core is different, it needs a section on its own. Unlike all the older TI versions, the Nspire does not have a home screen or a graph screen. Instead, the calculator runs on a document that has five applications: Calculator, Graph and Geometry, Spreadsheet, Notes, and Statistics. TI-Nspire Programming - TI-Basic Developer
Math.com Activities for TI Graphing Calculators
Math Nspired Lesson Resource Center







Book Review: The Basics of Hacking and Penetration Testing 2nd Edition “The Basics of Hacking and Penetration Testing, 2nd Edition, Ethical Hacking and Penetration Testing Made Easy” by Patrick Engebretson covers the essentials. The introduction should not be skipped, because, first and foremost, it conveys that the book is intended for people that are new to pentesting and the hacking scene. It also gives a generic overview of a lot of tools in the book that “might” strongly come in handy even to those not so new to the industry. Additionally, he covers what is needed to follow along in the book, which transforms this work from being just a book into more of a “hands-on” reference guide. The title by Syngress Publishing is divided into chapters that define each part of the standard methodology that should be used in every pentest. The Ethical Hacker Network The Ethical Hacker Network
I recently had to get rid of my rarely-used oscilloscope due to space restrictions and started looking at alternatives. The handheld devices started from about $70, but had known of some PC kits. I thought, couldn’t I just use the input for my PC sound card? So came across the Poor Man’s Oscilloscope. The $0 Android Oscilloscope « retronics The $0 Android Oscilloscope « retronics
Here we show a little Theremin module which plugs onto a Arduino Board that gives out the tune to a speaker or puts out the tune as control signal like MIDI, Servo etc. We were using this device not only as a musical instrument, various kinds of proximity sensors, pointing devices or as interface in combination with Processing, Max or Pd have been build with this technique. How it Works The Theremin Module itself is as little LC type Radio frequency oscillator which generates a radio wave and gives out the frequency signal to the Arduino board. An Antenna connected to the LC resonator provides the Theremin effect when a person or some conductive material is placed next to the antenna. This leads to a slight frequency deviation of the oscillator frequency which is registered by the Arduino software. Lab3 - Laboratory for Experimental Computer Science Lab3 - Laboratory for Experimental Computer Science
As part of my commission for Christopher Campbell I created a fretted Dronemachine. It used circular washers, the shades from desk lamps, my usual circular pickup from an electric fan, bits of shower rails and various bits and bobs. The idea was nice and simple, the method of play was much like my other machines except that the washers acted like frets that you could shorten each wire with ease. In practise though, it proved very very difficult to build, and once the wooden base had warped slightly, it put all the frets out of place and messed up all my careful measurements! I'm not one to hide the failures, if anything they're very good things to learn from... So here is the failure in all it's glory! Vulpestruments Vulpestruments
Flux, flux, flux - DP
InMoov Although the article isn't about InMoov but about Artificial intelligence I appreciate the idea. What I don't appreciate though, is that the picture they used is copyrighted from Getty Image and it gives no attribution to InMoov. I remember very well who took that picture in London. Almost everybody would ask the permission to take pictures of the robot, but this photographer did not, it was a professional because he had set his camera on foot and away enough so I wouldn't remark him. InMoov
Hacked Gadgets – DIY Tech Blog Forrest Bourke, Saarth Mehrotra, Michael Searing and Elliott Wyse from Olin College of Engineering built an interesting project called The Confectionary Cannon, it is a Face Tracking Marshmallow Shooting Gun! It uses air pressure which is released by a sprinkler valve to launch marshmallows to their victim using face tracking to get it done. Via: OhGizmo and Hack a Day Hacked Gadgets – DIY Tech Blog
:: Astromech.net :: R2 Builders Club Official Website ::
Ashish's Programming Journal For a long time, I have been trying to find the cheapest and easiest way to control electronic devices wirelessly using a computer. It can open up a lot of possibilities. For example, you could build a radio controlled relay board, and control it from your computer. You could even control the board with a "small" computer such as an Arduino (or any microcontroller for that matter).
The “Retr0bright” Project By Merlin, of AmiBay, English Amiga Board and Vintage Computer Forums (among others)How to deal with the “not-so-mellow yellow” of old computers and consoles Anyone who has dug their old computer or console out of the cupboard or loft for some retro gaming will probably have noticed that it maybe hasn’t worn too well with the test of time. The plastics these machines were made of is called ABS and to make it flame retardant (just in case it catches fire after a marathon session) the plastics manufacturers added chemicals that caused the plastic turn yellow or, even worse, brown over a long period of time. It was originally thought that the yellowing was permanent and that the only solution to this was to paint the plastic in its original colour and cover the problem up. Retr0Bright - home
AASaver « Rayshobby Update AASaver 2.0 is now available. Buy it from Rayshobby Shop.For details about AASaver 2.0, assembly and usage instruction, please check this blog post. Order
Hack a Day
The Mechanical Vivarium of Dr. Iguana 5V Boost Switching Regulator Here's a little project I put together for a friend. He wanted to build a project that ran off 5V but didn't want to use a 9V battery. I found an interesting part on Digikey that can take the output of 1 or 2 AA or AAA batteries and boost it to 5V. Infact the part can be programed for any output voltage between 1.8V to 5.0V using two resistors. If you leave off the resistors you get a 3.3V output.
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Flute Finger Hole Locations
Robotic Xylophone
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_-= Uzzors2k =-_ Project Site
Introducing...Apollo 13.
Open source logic analyzer
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