Archive for the ‘Libraries’ Category

Displaying on Paper – Thermal Printer + Arduino

Wednesday, August 31st, 2011

Guys at [bildr] wrote a nice tutorial on how to control & use a thermal printer with Arduino.

Outputting data can be extremely useful, and typically when we look at doing this, it is either to the Arduino’s serial terminal, or to some sort of display. But what about making physical copies of the data? (…) If you dont know about thermal printers, they are most often the printers your store’s receipts are printed on. The reason for this is that they dont use ink, or use a cartridge of any sort. The paper it prints on turns black when heated. So this printer simply applies heat where another printer would apply ink.

via [bildr]

Arduino-Driven Content-Sensitive TV Mute

Tuesday, August 16th, 2011

Matt Richardson has a great blog post on Make about using an Arduino to read the closed-captioning stream from a TV using a video experimenters shield, then muting the TV whenever the name of an annoying celebrity is heard. Besides being a great idea, it’s a nicely made explanatory video.  Nice work, Matt!


Matt Richardson's TV muter project. Image from



Arduino Powered 2.4 GHz Spectrum Analyzer Lets You

Wednesday, August 10th, 2011

Arduino forum user [Blibo] shares its 2.4 Ghz spectrum analyzer project on the forum. The project is based on the CYWM6935 board (wireless), an Atmega 328 and a Nokia 5110 LCD-

I finished the (mostly) permanent version of my 2.4ghz spectrum analyzer, and soldered it up. I included 3 modes for scanning (fast, slow, and ghost – like the long exposure on a camera), plus a function to display the voltage on an analog pin, and graph it (for when the oscilloscope’s not cooperating). These modes are toggled through by hitting the big push button [...] I have already used it to help setup my wireless network, (channel, location, things that cause interference), and it is always interesting to see what uses the 2.4ghz spectrum. So far, the things that I’ve noticed on the spectrum while walking around with the analyzer are: 
-microwave ovens (huge disturbance in the middle of the spectrum)
-Cordless phones
-Wireless keyboard
-Wireless speakers
The fast mode is ok for seeing EMI, but for digital signals, the slow mode is best. The ghost mode also gives a general idea of spectrum use over a period of time.

via [HackADay] source(code) on [Arduino Forum]

August Specials: Tinkerkit Servos And Open SoftWear

Tuesday, August 9th, 2011

We are happy to announce 3 new products available at the Arduino Store: two powerful servos with the standard Tinkerkit 3pin connector (T010050 and T010051) and OpenSoftwear, a book about fashion and technology by Tony Olsson, David Gaetano, Jonas Odhner, Samson Wiklund, in it’s second, revised edition.

IAAC's CAN-Based Interactive Architectures

Monday, August 1st, 2011

Barcelona-based IAAC school is hosting a summer school (in Barcelona and Mumbay). The theme of this year’s course is creating an urban tool of a networked city based on a new informational layer.

What happens if we think Urbanism and Energy through a new informational layer added in our cities?


IAAC’s CAN-Based Interactive Architectures

Monday, August 1st, 2011

Barcelona-based IAAC school is hosting a summer school (in Barcelona and Mumbay). The theme of this year’s course is creating an urban tool of a networked city based on a new informational layer.

What happens if we think Urbanism and Energy through a new informational layer added in our cities?


Computerless Arduino

Friday, July 29th, 2011

Ever wanted to reprogram Arduino without a Computer? Have a look at the [Teague Labs] tutorial.

The Computerless Arduino consists of two major components; an Arduino-compatible microcontroller loaded with a realtime code interpreter, and a stand-alone 5 button LCD display to display port values and manipulate code. The display can be connected to the Arduino via a 4-pin port at any time to peek at In/Out values, view the current code, and make changes as desired.

By keeping the display separate, it’s possible to have many dedicated Arduino modules (we’re using one of the smallest, cheapest, and most-capable Arduino clones, the Teensy2.0 for $18), without needing to spend much on each additional device. For the display we’re using the super small uLCD-144 (by 4D Systems for $29), and the system could easily be modified to use a larger display or computer if desired.

via [CreativeApplications] source  [Teague Labs]



Arduino-based Video Sorcery

Thursday, July 28th, 2011


Wonderful Arduino video sampler from [] (At the moment in its 1 bit / 1 and half bit stage) . The project is based over [TVout] library, [Video in on TVout] and [Ram library and 23k256 circuit]. Amazing job.

If you dig the 8-bit style colourful site you’ll discover several other video oddities based on Arduino (or at least Atmega328), well explained and referenced by the [Gijs Gieskes].

via []

Digital Lathe By FabLabItalia (Build Your Own!)

Monday, July 18th, 2011

Some time ago the guys at Fablab Italia in Turin joined a city exhibition of art, design and related. The exhibition is hosted in Vanchiglia, a neighborhood of Turin, and it’s called Vanchiglia Open Lab (LOV). The project they managed to bring to the Open Lab is really interesting: a digital lathe which lets you interact physically with a 3D program and print your own sketch with the 3D printer.

You need 5 potentiometers hooked up to the first five Analog pins of Arduino. 4 of them are used to modify the shape, the fifth is used to change the step & resolution of the shape. An Hoberman-style sphere lets you control the rotation of those 5 pots in a different way.

Wanna try? Donwload project files (Arduino, Blender, Laser Cutter) from Fablab Italia’s Wiki.

Via [FablabItalia]

Arduino Ethernet, ADK Available for purchase

Wednesday, July 13th, 2011


This week we are releasing a few new products and services. We begin with the Arduino Ethernet and the Arduino Mega ADK.

The Arduino Ethernet combines a regular Arduino board with the Ethernet Shield into a single board designed to power your internet of things projects. It has the ability (if fitted with an optional module) to be powered directly from the ethernet cable using a standard called “Power over Ethernet“,  this makes ideal for permanent installations in buildings and similar structures.

For example, prototypes of the board have been installed and have been operating for over a year at the “Campari Gallery” museum in Milan Italy relaying sensor data via OSC to video players and other interactive installations with amazing reliability.

You can use any FTDI compatible cable or module to program it. For this purpose we are also releasing a new USB2Serial module that is based on the same circuit that’s used in the Arduino UNO, hacking the firmware on the atmega8u2 will allow you to make amazing stuff with this cheap module.

The Arduino Mega ADK is an exciting new addition to the lineup. Google recently released an Arduino-derived open source accessory development kit (ADK) for Android phones and tablets. This is our take on the platform.

It’s essentially an Arduino Mega 2560 with the addition of a USB Host chip that communicates with the phone and a beefy power supply (the board needs to be able to charge the phone). The communication is implemented using Oleg Mazurov’s USB Host library.

The ADK Sensor Kit makes it incredibly simple to develop with the ADK because there is no need to know anything about electronics, small modular sensors and actuators plug on top of the Mega ADK letting you create protoypes or robust installations in minutes!

Later this week we’ll release a few code examples that will make it very easy for anyone to build Android accessories with Arduino.

We hope you enjoy our new creations.