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Students at RISD's Environmental Justice Research Cluster (which i co-taught with Sara Wylie this past semester) came up with a way to hack a Roomba to detect formaldehyde, and display it on a long-exposure photograph using a couple colored LEDs. This was a test image; the project is still under development.
Major issues to overcome include sensor latencies of 10-30 seconds (slow the roomba down?) and color balancing issues.
RE_BEAM ROBOTS: Taller de construcción de robots
01.03.2014 12:00h - 16:30h
Lugar: Lab (1º planta / 1st Floor)
Taller de iniciación para la construcción de robots capaces de seguir la luz, utilizando en lo posible materiales reciclados (motores y sensores de viejos juguetes, aparatos, etc.) a partir de conceptos que electrónica analógica.
T-stuk gebruikt om temperatuursensor met duikhuls in de waterstroom te krijgen. Dat reageert veel directer dan de sensor tegen de leiding monteren.
Er is nog voldoende ruimte tussen huls en binnenwand van de leiding om het water ongehinderd te laten stromen. Zie ook de Note.
Test object : KC73129MP
Number of Effective Pixels: 500(H) ´ 582(V)
Unit Pixel Size: 9.80um(H) ´ 6.30um(V)
This is a CCD with fine structure as a test object. The structure is uniform, perfectly straight and the dimensions are fixed. The macro magnification can be measured easily.
Here you see that the Mit 2X lens sits on the edge of its capabilities. This lens has 5 microns resolution and that is very close to the pixel density of the measured sensor. Still, I find the results pretty well. All measurements are made with the same tube lens. At this 2X version there is an adjustment done for chroma abravation correction.
Since the conductor sensors clamp onto the overhead groundwires, the Electric Power Research Institute had to custom design the sensors to fit Western’s lines. (Photo by Ross Clark)
Capteur d'un APN Kodak EasyShare CX7300 (focus stacking).
Image composée de 13 photos assemblées avec CombineZP.
Carspeed Türkçe Konuşan veya Bebee Sesli İkaz veren Park Sensörü 4 Lü Özellikleri
Kullanım Alanları
12 volt DC'ye sahip tüm kara taşıtlarında park yardımcısı olarak kullanılır.
Ürün Özellikleri
Araç geri vitese alındığında, sistem park sensörleri sayesinde park esnasında arka nesneleri algılayarak mesafeyi kullanıcının seçimine göre Türkçe konuşarak veya Bebee ikaz sesi ile uyarır. Böylece kullanıcının aracını güvenli bir şekilde park etmesi sağlanır.
Sensör Algılama Mesafesi
Türkçe konuşma seçimi olduğunda;
. 1,5 metre cisme yaklaşınca devreye girer, cisme olan mesafeyi Türkçe olarak söyler.
. 40cm yaklaşımdan itibaren kesintisiz "aracı durdur" diye sesli ikaz verir.
Bebee sesli ikaz seçimi olduğunda;
. 1,5 metre cisme yaklaşınca devreye girer.
. 1,5 metre ile 1,1 metre arasında uzun aralıklı sesli ikaz verir.
. 1 metre ile 40 cm arasında 2. Kademe (daha hızlı) sesli ikaz verir.
. 40 cm yaklaşımdan itibaren 3. Kademe (kesintisiz) sesli ikaz verir.
Ses ikazı nesneye yaklaştıkça artar, uzaklaştıkça azalır.
Kutu İçeriği
Kontol Ünitesi
4 adet Arka Sensör
Bazır (iki kademeli ses ayarlı)
Montaj için gerekli basit elemanlar
Montaj Kılavuzu
Ambalaj
Renkli karton kutu
more arduino hacking. I just wrote a 'driver' for this chip, today and now I can get C-degrees directly on the i2c bus. even better, I can connect 8 of these (varying the a0..a2 bits) and have 1 temp chip per heatsink! ;)
source code:
MOC: Sensor GTR. A variation of the theme from my previous Supercar - I wanted to see if I could build something a supercar that looked a bit more like it was meant for the road than for the track. Very happy with the result.
Centro José Valverde. Parque Nacional de Doñana.
-------------------------------------
según Foveon.
tamaño de archivo raw 57,70MB. Formato 1.5x
SD1 Merril + 50mm sigma 2.8
SIGMA SD1 Merrill
ƒ/13.0 50.0 mm 1/100 iso 100
Sensor in original position was reading approx 5 degrees higher than ambient. Re-positioning resulted in correct temperature readings.
Code available here - github.com/ibuildrockets/NixieTemperatureDisplay
Sales Manager
Jack Wu
Mobile: 86-136 9983 9394
Skype: wellwaytech
Email: jack@wellwaytech.com
MSN: jack@wellwaytech.com
LED light shower features:
1. three types: temperature sensor(red, green,blue), rainbow, single color.
2. introductions:
(1).temperature sensor led light shower:
a) when temperature is less than 32 degree, the led shower will light green.
b) when temperature is between 33 to 41 degree, the led shower will light blue.
c) when temperature is between 42 to 45 degree,the led shower will light red.
d) when temperature is higher than 46 degree, the led shower will flash red.
(2).rainbow led light shower:
a) Color is not related with the temperature.
b)Seven colors flash in turn.
(3).single color led light shower:
a) Color is not related with the temperature.
b) Seven colors for you to choose.
c) You can only choose one color for each shower head.
3. Advantages:
a) It needs no battery. High-tech water power device is placed inside. It will
light when there is water flow.
b) For the temperature sensor type, you can judge the temperature directly so
that you don't have to adjust the water valve frequently. It's very convenient.
Even the power is off, it can also light only if there is water flow. It's
multifunctional.
c) It's safe. The voltage it generates is only 3.6v. Only when the voltage is higher
than 38v, people can feel the current and it's dangerous. What's more, water
flow and the circuit are seperated.
d) It has got international certifications. They are CE and ROHS.
4. terms of payment: T/T, paypal
5.delivery time: within 7 days
6.life time: 6000hours
7.product and package can be designed according to customers' requirments.
Customer Satisfaction:
Please do not hesitate to contact us if you have any questions or concerns before or after your purchase. We are committed to your 100% satisfaction.
Feedback:
Since your feedback is very important to our business`s development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service. It`ll just take you 1 minute. Thank you!
Sensor City is a collaboration between the University of Liverpool and Liverpool John Moores University and is a flagship University Enterprise Zone.
© Angela M. Lobefaro
All Rights Reserved
RIPRODUZIONE RISERVATA
Workshop led by :
Carlo Greco : Photographer
Alessandra Magni : Art director
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Per questo Natale,
il Regalo Perfetto,
lo trovi in Madein Cesvi.
Perché sa donare Felicità a chi lo riceve e porta un aiuto concreto a chi ne ha più bisogno. I tuoi amici meritano un'idea diversa, e tu la gioia di vedere la loro sorpresa.
Lo sapevate che:
[ MALNUTRIZIONE ]
Ogni giorno si addormentano tra i morsi della fame 963 milioni di persone, cioè 1 persona su 7.
[ MALARIA ]
Ogni anno la malaria uccide più di 2 milioni di persone, soprattutto bambini sotto i 5 anni d'età, e donne incinte.
[ MALARIA ]
In Congo il 97% della popolazione è esposta al rischio malaria e che 150.000 bambini muoiono ogni anno di questa malattia.
[ MYANMAR ]
La malaria uccide un bambino ogni 30 secondi.
[ ZIMBABWE ]
1 milione e 700 mila dei 13 milioni di abitanti è infetto da HIV.
[ ZIMBABWE ]
L' AIDS è la prima causa di morte dei bambini sotto i 5 anni di età.
[ ZIMBABWE ]
Tra le donne in gravidanza 1 su 3 è sieropositiva, e rischia di trasmettere il virus anche al proprio bambino.