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This prototype is the Urban Sensor Hack challenge entry of IoT Zürich Meetup and MechArtLab Zürich.
The idea was to build "timid sensor objects", a new breed of citizen sensors that try to look uninteresting and only reveal their sensors once in a while to take a measurement, then retract them again, a bit like a snail.
Using this strategy of camouflage, even delicate sensors could reside in places that humans can reach. Compare this to official sensors in the city which are always ruggedised and often placed out of reach to prevent damage.
The result is the "timid sensor egg", made from a tabletop trash bin, an Arduino, a Servo, two multi-colour LEDs, an LDR and a battery holder - all part of the kit. Plus a BlueSmirf Bluetooth module from Sparkfun. The egg measures brightness and talks to the Internet using a Bluetooth to Pachube Android app we built for another project.
Pictures of the development: goo.gl/YiCLu8
Design files: www.thingiverse.com/thing:166876
Source code: bitbucket.org/tamberg/urbansensorhack and bitbucket.org/tamberg/oktoberfestofthings (BtGateway)
"Urban Sensor Hack Finale: Team Creations" on YouTube: www.youtube.com/watch?v=0ZkNrmfVgLc
LA36-M12: Sensor de Nível ICOS com saída em plug M12! Os Conectores M12 também à venda no Comércio Eletrônico ICOS.
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ICOS:
- Agilidade
- Baixo-custo
- Pronta-entrega
- Cote e compre na loja virtual www.icos.com.br
Há 30 anos simplificando sua automação! Simplifique!
Blogged in The Woodwork: Below red
First shot (sorta)
North Beach, San Francisco, California
Leica M8, Cosina-Voightlander Nokton 35mm/1.2
Aperture (levels, white balance, sharpen)
1/16sec @ f/1.2, iso 160, 35mm (47mm)
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Well, the first couple shots I deleted in-camera because I didn't read the manual and…let’s face it…it’s been a long time since I used a rangefinder.
You can see I still have trouble figuring out where the horizon is. But I love messing with the depth of field—wide open and be there. The bokeh on this lens is going to take a lot of getting used to after being a Nikkor guy for so long. (BTW, the lens is so big it blocks the bottom 1/4 of the viewfinder. I’m going to have to get the Leica-style lenshood sometime… or as I like to call them…lens hoods with spoilers on them.)
Ahh… but focusing is a dream. I forgot how much fun rangefinders are. My eye says thank you very much. (BTW, the parallax correction is something new to me. Way cool.)
Even though I was leaned over upside down taking this shot, there was no trouble handholding past the shake limit of my regular lens.
I find it a tad ironic that my first shot just happened to show the IR issue with the camera sensor—the bag is actually pitch black. That’s okay because I plan on taking black and whites with this camera.
A swarm of caterpillars adjacent to sensors in the Amazon Rainforest outside of Santarém, Brazil on October 31, 2018.
CEE Associate Professor Valeriy Ivanov aims to collect water flow data from the trees to build a model that will help us gain an understanding of our push and pull on the region, and how it potentially affects the world’s climate.
Photo: Joseph Xu/Michigan Engineering, Communications and Marketing
Three Vancouver Island Wineries - 40 images - Sony Cyber-shot DSC-F828 with Carl Zeiss Sonnar 1:2-2.8 28-200mm (eq.) & 720nm IR Filter - Photographer Russell McNeil PhD (Physics) lives on Vancouver Island, where he works as a writer.
The Sensorial Room at Reflections Spa is simply sublime. With thousands of quartz hanging from the ceiling and warm stained glass for wall, you will feel like you are in another world!
This is a salinity sensor for small-scale shrimp farms in rural India that costs a fraction of the price of commercial sensors.
This prototype shows multiple acoustic and optical sensors configured along a process stream to detect foreign objects. The technology can be used to detect metal, plastic or cartilage in products such as ice cream or baby food.
Terms of Use: Our images are freely and publicly available for use with the credit line, "Courtesy of Pacific Northwest National Laboratory." Please use provided caption information for use in appropriate context.
© Gurbir Singh Brar 2009 all rights reserved. Unauthorized use or reproduction for any reason is prohibited.
After some cleaning (blowing and using a brush with blower attached) I managed to get MORE dust on the sensor. I have since ordered a cleaning kit from Micro-Tools (https://www.micro-tools.com/store/item_detail.aspx?ItemCode=DIGI-KIT4A-F)
Esto es lo que se ve al hacer una foto de prueba para sacar a la luz las manchas y guarrerías que hay sobre el sensor de mi cámara... Antes o después tocará limpiarlo... Pero entre que me da miedo, que al hacer las fotos generalmente no se aprecia nada, y que me da pereza...
El día menos pensado lo hago...
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I really need to clean the sensor in my D600!
This is image number 5548. To be honest, in 'normal' photos, only the largest of the dust/dirt/oil spots are visible and need editing out. I have never done this with either of the two DSLRs I have owned before so I don't know if this is particularly bad or perfectively normal for over five and a half thousand shots.
I got this by pointing my camera at a patch of blue sky, focusing as close as possible and stopping down to f/22. In the tone curve panel in Lightroom, pull the 3/4 point in the curve (probably the wrong terminology) right down to the bottom and all that dirt is revealed.
The "Abalone" seismometers have been on the sea floor for a year and need to be retrieved to read off the data they've collected. A radio signal from the ship triggers a "burn wire," which severs the device from its anchor and sends it bobbing to the surface - a process that can take up to an hour - emitting a signal that lets the ship home in on it. From there, it's all a dance of men with poles attempting to snag the device and tie it on to the ship's crane, which swings it to the deck.
After I installed the sensors in the weatherstation: humidity, temperature and air pressure. Fixed to the inside of the weatherstation with tiewraps, cables through the wall.
finally, after owning this camera for 2.5 years I had the sensor cleaned.
after our little beach trip last week and shooting into the sun at f/22 I realized how dirty it was. now it's all squeaky clean thanks to the folks at ritz.
This shot shows - well it is processed a lot different from the previous one - how much cleaner my sensor is. I went to get a cleaning kit, which I did, and while at the shop they used one of those static brushes on my sensor. I think I will now wait until I need to before using the kit. If you look very closely you will actually still find some debris but not much.
Capteur extrait d'un ancien Nikon Coolpix S3000 (focus stacking).
Image composée de 10 photos assemblées avec CombineZP.
River Dargle Flood Defence Scheme.
These images were taken during the first week of July 2014. JONS Civil Engineering are the approved contractors here. Heavy machinery now appears on site, rows of sheetpile steel lengths are trucked in, carefully laid out, access ramp down to the riverbed is cut and graded, and mounds of hard-core of varying grades is stockpiled. Crawler cranes are assembled, hydraulic hammers and coupled generators are readied, and frames+girders are assembled prior to insertion of steel sheet piles. The continued sunny weather is a welcome relief for 'most' production work. Having erected the steel cross-beam frames, sections of which are welded for added rigidity, and then used to position/align the slotted 'Z' sheet piles, the guys then used what is known as a 'Dawson Sheet Pile Threader' to neatly interlock the wall of steel lengths. A very delicate, and dangerous task, involving the manhandling of steel lengths manipulated by the operator of a nearby crawler crane. Rain doesn't help!
The Bottom Bracket Torque Sensor outputs a voltage signal. The signal and the pedal force is linear proportional. Pedal force increases every 10kg, 0.15V voltage changed. The detectable maximum pedal force is 60kg. The input signals into sine wave with the crank angle. The outputs in 0° and 180° are zero. Maximum output is in 90° and 270°. Each rotation of 11.25°, the Bottom Bracket Torque Sensor outputs a speed signal. The shaft rotates a circle with 32 speed signal output.
Product advantages
The advantages include faster start and quicker response. No more temperature drift issue with high reliability in low temperature. Compatibility with standard bottom brackets, more easy to install and flexible length options, custom dimension and compatible with mid-drive motor.
Read the article: extraenergy.org/main.php?language=en&category=&su...
11th January 2011 - 365 day 11. Been having some autofocus problems recently and recent 'big sky' landscape shots showed how mucky my sensor was - so it's inside to investigate.
The autofocus problems appear to have been caused by muck on the mirror and screen - hopefully resolved.
Mucky sensor cleaned with my 'Arctic Butterfly' brush - always a nervous moment.