Archive for the ‘Ping’ Category

Alarma DIY con Módulo 3G, Cámara, Ultrasonidos, Teclado Matricial & Led RGB

Tuesday, May 15th, 2012

Arduteka lanza su último tutorial!

En él nos descubre el nuevo módulo 3G para Arduino de Cooking Hacks con el que podremos construir una divertida alarma que nos enviará la foto de nuestro intruso directamente a nuestro correo, además de avisarnos por un mensaje sms a nuestro teléfono móvil sin necesidad de tener conectado nuestro Arduino a internet constantemente, pues lo hace todo a través de la red móvil.

Vamos a construirnos una alarma totalmente casera, a través del sensor de ultrasonidos, escanearemos continuamente el espacio situado enfrente suyo con un radio aproximado de 30º, cuando algún objeto o persona se sitúe en su campo de actuación a una distancia inferior a la que establezcamos, haremos sonar una alarma, tomaremos una fotografía, el Led RGB que antes estaba verde, pasará a color azul y daremos 10 segundos para poder desactivar la alarma a través de nuestro teclado matricial, si la desactivamos, volverá de nuevo a escanear el campo, pero si no!! Reproducirá un sonido contundente y se dispondrá a mandarnos un sms a nuestro teléfono móvil y la fotografía a nuestro correo electrónico.



The Tacit Project Lets Your Wrist Guide You

Monday, August 22nd, 2011

[Steve Hoefer] shared an interesting solution for visually impaired people.

It measures the distance to things and translates that into pressure on the wrist.[…] It’s wrist mounted and senses objects from about 1 inch (2 cm) to 10 feet (3.5m).  It has generally fast response time (fractions of a second) to quickly navigate complex environments.

It’s not the first time we see Arduino used for custom solutions to navigate a room and / or enviroment, replacing the sight (above all, you’ll remember the [Bat Googles] project from USI and [Halo], the winner project of Humana competition).


“Tacit”, that’s how’s called this cool project, is the first in moving the sensitive response area of the device from the head (closed to the ears) to wrists (closed to the hands). Steve, whom its first prototype was conceived has an headband like the two projects above, moved its device to the wrist for several reasons

The headband was a great first test, and it did work, but it had two fatal flaws:

1) The most dangerous obstacles are not at head level. Furniture and most of the other things that can be tripped over and stubbed on are waist level or lower.

2) Vibrating motors stuck on your skull will drive you insane quickly.

In addition it would be a challenge to disguise it as anything but some mad-science-looking headband, and blind people do care how they look.

Tacit is wonderfully referenced and it’s realeased in CC-NC-SA

via [Grathio Labs]


Bat Goggles For Visually Impaired From USI

Tuesday, March 8th, 2011

It seems like part of the Arduino projects lately hang around “visually impaired” solutions. This is the research from Alex Tomic form USI in Lugano.

The “Bat Goggles” are a general-purpose set of visual aids to assist those with low or no vision to sense obstacles. While the original project envisioned the sensors being attached as part of a helmet or eyeglasses, after experimentation it was determined that the tool is much more useful if the proximity sensors are movable, allowing them to be placed on the hands, feet, knees, or any other extremity. This allows more flexibility in exploration of environments and extending the effective range of the extremity.

In a free-moving use case, the user holds sensors in each hand. The proximity sensors serve as a virtual extension of the user’s hand, allowing him or her to check for the existence of objects without touching them. This can be useful in situations where it may be desirable to detect delicate objects that could be damaged if touched with excessive force (eg. a vase or lamp).

Check out project and review(pdf).

via [AlexTomicProjectPage]

Ultrasonic Arduino tape measure source code

Thursday, June 3rd, 2010

Nice free code. To be posted.

Here’s the source code for the Arduino + PING))) + 7-Segment Shield ultrasonic distance sensor project I build for this video. It is the progenitor of my Arduino Nerf sentry gun code, which I’ll be posting soon. Warning: my code gets the job done, but isn’t elegant.

via [MAKE]

Flash, Arduino & Parallax Ping

Monday, May 24th, 2010

[Gabor] reports about a simple project with this video to follow. (low down the volume before pressing “play”)

initially i have planned to realize the art project i was writing in my previous post about, in C++ Open Frameworks. Since I had some trouble though getting the range finder data into OF i have settled for Flash which worked out straight away using a flash’s binary socket and a custom written java proxy server by James Alliban. There are still some performance issues i believe that need to be fixed as well as sudden jumps in range values, which i still need pin point down. Anyways…here’s the result.

You may wonder why using OF or Flash and not, simply, Processing. I do as well. That is why the whole project caught my attention.

via [Kapsid]