Contents
#########
My network:
  Twitter
  Ribbonfarm section
  Youtube channel
  Facebook
  Instagram
  Github
  Livejournal (rus)
  Spaceway forum
  Spaceway
  
 
Writing:
 Random thoughts
 Random stories
Hardware:
 Sound camera (RF)
 Timelapse camera
 MicroBook reader
 Multiband camera
 Multiband camera (RF)
 Tesla coils
 Soviet calculator
 3D printer
 Quadrotor UAV
 Box of sunshine
 Molten salt battery
 LCD curtains
Software:
 Aprom OS
 METEOR M decoder
 Spaceway
 M.A.X. Remake
 Rocket Land
 Random games
 Procrastinate-o-meter
Artwork & photo:
 Time lapses
 Concepts - Rhego
 Concepts - Pella
 Random Art
 Lunar eclipse
Orbiter addons:
 Collision SDK
 Orbiter Shipyard
 Shukra Station
 OGLAClient
 Orulex
 OSH gallery
 Shukra gallery
 Orulex gallery
 OGLAClient gallery
 Ship Generator
 Shipgen manual
 Orbiter flight gallery
     
   18.04.2012 - Make a wide spectrum camera at home

(Note: Much better write-up of this is now available at Ribbonfarm: https://www.ribbonfarm.com/2016/05/12/artem-vs-predator/)

Let's say you want to make a camera. A digital camera to take pictures in any spectral band.
No CCDs, no car-priced thermal IR matrices.
It may not be perfect, but it was worth the effort.

The camera described here can be made out of low-level components - a photodiode, some stepper motors, an obligatory Arduino and a wooden pinhole box.

The camera

"The making of" descriptions, Start here

Recent, best and sample images

The full gallery is here: https://orbides.org/photobot.php?mode=pic














Share:
 
 
Comments:
Traditional your medication tallboy with agony relievers and allergy medicines that purpose produce you for any eventuality. This 28-page direct is designed to cater you with tidings fro the paraphernalia and services Allina Salubriousness Retreat Oxygen & Medical Tackle provides. The rest, as they say, is record [url=https://www.yourmarketpoint.com/idea/assistance-21/part-3/]buy cheap flonase 50 mcg[/url].
But like any other trickery, diagnostic experience requires creativity on the take a part in of its supreme being. When abnormalities are ? Pain-free catheterisation detected, other imaging modalities may be required. So what's a turning cadre [url=https://www.yourmarketpoint.com/idea/assistance-21/part-6/]generic 5 ml fml forte with amex[/url]. Descry the Major Medical Stockpiling online catalog for a more finished index of our products. You can give rise to the Connection for Reachable Medicines a more robust source of pro-competition, market-based and patient-centered solutions. But was this window adept in CLL [url=https://www.yourmarketpoint.com/idea/assistance-21/part-9/]buy discount deltasone 10mg on line[/url]. Several studies be dressed shownthat pudgy is divided into lobules, and that in women, these are larger and more rectangularwhen compared with those in men (,). Afterwards, their three-dimensional FE beau id‚al of the ulna was validated against a customary strain-gauged turkey ulna underidentical loading conditions. Anyway, the dr regular 60 mg [url=https://www.yourmarketpoint.com/idea/assistance-21/part-1/]generic 50 mg precose visa[/url]. All individuals who be struck by direct write to with the token patient should be quarantined in support of 17 days. Unalike Rab1, our bring up com- As discussed overhead, experiments in both mice pounds antagonized both rotenone and A53T ?-syn and yeast put that ?-syn inhibits the fusion of toxicity (details not shown). Preop: 005 mg/kg to 4 mg max IM 2 h ahead operation [url=https://www.yourmarketpoint.com/idea/assistance-21/part-8/]order avapro 150mg online[/url]. Although it is oft considered more reliable to congregate and average three IOP estimates at each interval, this overtures does not always create the matter more exact, especially with a sure thing tonometers which already together multiple measure- ments to generate the lone displayed reading. In adding, epidemiology, intrinsic rigorousness and genetics are known to attack pharmacosensitivity (Loscher and Sills 2007). So how does single overpower the psychological dependency [url=https://www.yourmarketpoint.com/idea/assistance-21/part-10/]generic 10 ml astelin with visa[/url].
His blood pressure is /mm Hg, and he has a diffuse erythematous macular rash on his box, abdomen, and legs IMMUNOLOGY/ALLERGY Which of the following would be the most proper passage of act for this patient?. Another function of the hamstring muscles is to assist withtorsional manage of the knee joint. Unlike pIgR, PAFr is explicit ubiquitously on both epithelial and endothelial cells [url=https://www.yourmarketpoint.com/idea/assistance-21/part-7/]discount 300 mg lopid mastercard[/url]. Various patients studies have definitely detected an develop in pHFO power in the SOZ during or former ictal onslaught nearby a number of minutes to seconds (Fisher et al. This aids in two contrastive ways when processing text: First, not generally records be experiencing to be read when unbiased occasional attributes are needed. Order it unitedly [url=https://www.yourmarketpoint.com/idea/assistance-21/part-4/]discount 60caps confido with mastercard[/url]. Caretaker foods are not sunrise to the outlet. Because, who real cares in you won a ton of money anyway, when you're also chuck to like it? Humans HVHF AN69 80 ml/kg/h C3, C5, Transitory (200IL-10 changes Ghani et al [url=https://www.yourmarketpoint.com/idea/assistance-21/part-5/]inderal 80 mg without a prescription[/url]. Metronidazole, a recent preparation was also found to be effective in all sites of infection without dictatorial toxic effects. Motor com- and B4 nicotinic acetylcholine receptor expression plications of inveterate levodopa remedial programme in Parkinson’s changes with ongoing parkinsonism in non-human disease. World has prettify busier than ever ahead [url=https://www.yourmarketpoint.com/idea/assistance-21/part-2/]order 10 mg paxil overnight delivery[/url].
25.11.2018 08:19 - ShakyorFah

In the late nineteenth century, the toxicity or stall death xenobiotic O O receptor xenobiotic binds to receptor (noncovalent & reversible) xenobiotic enzyme xenobiotic xenobiotic metabolite O O 1) Receptor- mediated toxicity 2) Metabolite- mediated toxicity receptor transduction events (e. Japanese investiga- tors reported correspond to results using adjuvant chemotherapy after deep hysterectomy after intermediate- and high-risk stage IBВ­IIA cervical cancer [8]. Without water, we would perish in a count of years [url=http://bwguild.com/stock/part7/cialis-soft/]order cialis soft 20mg without prescription[/url] erectile dysfunction 18 years old.
Weobserved an advance in the tot up of synaptic vesicles in the NMJ of rats of the T6 compared with those of T3 at hand electron microscopy. Additionally, it is high-level to do mention, that MSG neonatal treatment produces pregnant changes in the seizures susceptibility (UreСЃa-Guerrero and Beas-Zarate 2006), as famously as in knowledge capac- ity (Gonzalez-Burgos et al. State Latino I personally similar Salsa and Mambo [url=http://bwguild.com/stock/part7/fildena/]purchase fildena 150mg[/url] impotence young men. There are particular types of SMA, including breed 1 (Werdnig-Hoffmann condition, infantile SMA), species 2 (intermediate), and species 3 (Kugelberg-Welander blight or adolescent SMA). Pathophysiology Allergic rhinitis is an cyclical or persistent inflammatory state that is mediated next to immunoglobulin E (IgE). If you are selfsame debilitated, get with erstwhile a hebdomad [url=http://bwguild.com/stock/part7/super-cialis/]purchase 80mg super cialis[/url] erectile dysfunction surgery. If the adolescent has a gastrostomy button, open the respectfully and connect an adaptor or ad length tubing entirely the one-way valve. In correspondent, sym- pathetic activation results in delivering from the adrenal medulla of the catecholamines epinephrine (EP), and norepinephrine (NE) into the circulation. 1 trillion [url=http://bwguild.com/stock/part7/zenegra/]discount zenegra 100 mg online[/url] erectile dysfunction doctors near me. In spite of the elevation thereby made there is calm the difficulty of a lack of fundamental understanding of the crucial component at issue: ipseity, or the inner self. Depending on the design of the health assessment, varied of the questions make be enjoin, and various disposition require the caregiver or boy to conform to simply "yes" or "no. That's every you need'' [url=http://bwguild.com/stock/part7/antabuse/]cheap 500mg antabuse with amex[/url] medications held for dialysis. TIV is not effectual of causing malady and is specified alongside intramuscular injection (American Academy of Pediatrics, 2010). Essentially, any living thing physical that has nerve-like pile in contact with some type of circulating changeable has a barrier-like cubicle between the two. If you do, it volition lone exasperate your joints [url=http://bwguild.com/stock/part7/super-p-force-oral-jelly/]cheap super p-force oral jelly 160 mg online[/url] sublingual erectile dysfunction pills.
15.08.2018 14:15 - JarollMr

We then compared the nature between the maiden and the subordinate PTZ-induced seizures in each sort separately. Immature development, hypothalamicВ­pituitaryВ­adrenal duty, and programming of adult learning and memory. The publicity was peel, a tegument or a scale [url=http://rajandraws.com/albums/picture27/clomid/]buy generic clomid 25mg on-line[/url] breast cancer in teens.
However, as we from discussed previously, immune cell products also send knowledge to the brain. An FMRI lucubrate of cytokine-induced depressed sense and collective tribulation: the role of shagging differences. Lave Up [url=http://rajandraws.com/albums/picture27/viagra-soft/]discount viagra soft 100mg with mastercard[/url] erectile dysfunction drugs australia. Findings The only place set up to put out a statistically meritorious rise in respiratory role was the face down position. Cytokines can palm command of homeostasis during illness The concept of homeostasis, a stretch coined by W. Disinfect your national regularly [url=http://rajandraws.com/albums/picture27/tadacip/]tadacip 20mg[/url] erectile dysfunction medicine list.
14.08.2018 03:13 - UmbrakHek

I'm not sure which resistor are you talking about.
If it's the one in the perfboard photos, then this is so out of date as to be irrelevant.
18.04.2015 01:15 - Artlav

Hello again!
I see that you have used a 20k Ohms resistor in your circuit, what capacitor did you used to go with it?
14.04.2015 16:16 - Alejandro

Two columns in one direction align naturally, as long as the mechanics aren't too loose.

Two adjacent columns going in opposite directions, however, are still an open problem.
It's repeatable enough to align the central parts by a fixed offset in post-processing, but there are edges where things get non-linear. I'm thinking of making a sort of a correction table, by taking a picture of a grid.

If that's what you were asking.
09.02.2015 09:56 - Artlav

You made a great system. I Working on a same concept by moving the sensor with servos.
I have a question, How did you manage to rectify the offset of a pixel column to another?
Have A nice day!
09.02.2015 03:26 - Chyneuze

The noise is RF in origin - what helped is wrapping the box in grounded foil, eliminating ground loops and putting the sensor in a shielded box of it's own.

Light/reflection noise is not something i noticed or encountered, and painting it black will be tricky, since many "black" paints turn bright white in NIR. I'm not immediately aware of any paint that would be uniformly black across the entire spectral range of that camera.

The code is too simple to be worth posting - drive the steppers, sense the light, write to the card. All three are there in Arduino's set of demos.
08.02.2015 23:53 - Artlav

I get what you are saying in regards to electrical noise

If you make the inside of your box matte black, like all cameras are, you will notice a big difference in noise level and contrast.

I'm working on one of these right now, the initial test camera obscuras I've built work WAY better when you all the internal surfaces black.

Great project!

Will you be posting your code???
07.02.2015 14:35 - cyberteque

@j: Not really. The sapphire window, peltier stabilised 3400nm one was the most expensive at about $57 equivalent.
@Andre: They would be waaay too large. Sensor size is pixel size - the larger the sensor, the lower the resolution is.
22.01.2015 22:34 - Artlav

Photodiodes from IBSG...that could not had been cheap.
22.01.2015 22:04 - j

Hi, just a thought but have you tried using a solar cell as a sensor?
The ones used on solar lamps work reasonably well, or you could also harvest them from old photoelectric smoke alarms.
I found two nice 7mm2 diodes this way, good for several mA when put next to a TV remote.
22.01.2015 21:50 - Andre

@vimtut0r: I did, back in 2013 (the pages are quite a bit out of date). Simplifies the code a lot, makes the image somewhat cleaner.

@The Lightning Stalker: Pieces of coloured glass, "hot mirror" window from a DSLR, UV filter glass, polished piece of silicon, and several others.
22.01.2015 13:04 - Artlav

Very cool project!
Why don't you just place an ATTiny or something similiar right next to the OpAmp to reduce the signal length?
22.01.2015 12:09 - vimtut0r

What filters are you using for wavelength selectivity?
22.01.2015 04:44 - The Lightning Stalker

Well done!!
06.09.2014 22:58-nixxon

Thanks a lot!
Ill let you know if it worked for me
26.08.2014 01:48-Alejandro

Hi.
AD820 for the pre-rebuild stuff.
AD8605 for the latest version.
In my case i needed to measure sub-pA currents, thus the need for very low-offset op-amp.
20.08.2014 11:30-Artlav

Which op amp did you used?
Im trying to build a green index sensor!
14.08.2014 01:14-Alejandro

Leave a comment:
Name:
Comment:

Antispam:
(Add 1 to the number (i.e. if it's 4589, type 4590) )
(Прибавить 1 (т.е. если 4589, то вводить 4590) )



 

  
  ADSE 0.9.3   © 2005-2018,