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Prototype of a wireless soil temperature sensor using a single-bord microcontroller and an LCD display.
I will be using this camera in week 71 of my 52 film cameras in 52 weeks project:
www.flickr.com/photos/tony_kemplen/collections/72157623113584240
The first year is documented in this book:
On my birthday in 1983 I got my first camera. With this camera, an Agfa Optima Sensor, I made my first train pictures.
This light sensor works reasonably well. Goodluckbuy list it as “Electronic Brick Light Sensor Brick Module” (SKU: 75283). That’s right brick is in there twice.
From what I could find I think made by Itead. The A-D switch lets you pick the type of output from the sensor. An analogue voltage or digital high/low. The switch point for digital is adjustable via the pot and the board uses an LM358 op-amp.
Programming and working out how to apply an analogue input value to automatically adjust an output brightness value for my series of 7-segment displays proved annoying and I had little success. I believe a lot more trial and error would be needed to make this and other displays adjust with the brightness of the room. Or perhaps I’m just a bit crap.
[iteadstudio.com/store/index.php?main_page=product_info&am...]
This appears to be an optical sensor for a mouse according to some stuff I found online, but I am not sure since there is very little official documentation of this chip.
It is made by STMicroelectronics and the date 2001 is visible in the bottom right.
It is encased in clear plastic and the batch of chips I got it from unfortunately scratched some of the the plastic (bottom left).
In person the dark square region at the top is much more profound than it is through the microscope.
There are markings in all four corners, the ST logo as well as the 2001 date are in the bottom right while the top right has "VV5351B" despite the package being labelled as VV5351A.
This image is the largest PNG I can upload (less than 200MB).
Camera: SONY A6000
Number of Images: 65
Panorama Y Axis: 13 Images
Panorama X Axis: 5 Images
Individual Image Size: 6000x4000
ISO: 100
Shutter Speed: 1"
Light Source: Side LED Flood Light
Overlap: 50%
Microscope Objective: 10X
Microscope Eyepiece: DSLR Mount (2X)
Grid Used: 4x4 (Panning Movement Aid)
Capture Motion: Zigzag (Top->Down)
Stitching Software: Autopano Giga
Other Software: GIMP for colour correction, rotation and sharpness.
Image Type: PNG
The Agfamatic 100 is a viewfinder camera for Pak-Film 126 cassettes. It has an Agfa Colorstar lens with fixed focus and fixed aperture. Two shutter speeds are selectable with the ring around the lens barrel, the scale showing a cloud and a sun symbol. The camera has a single stroke advance lever that advances the film, cocks the Parator shutter and turns the flash cube holder on which magicubes can be fired as flash. On the axis of the advance lever is the red "sensor", the shutter release button hidden under a round piece of red foil. A little black plastic button side on the side unlocks the back door for opening the camera. The back door has a window for making visible the film cassette's exposure counter. The camera has an optical bright frame viewfinder of reverse Galilean type
The two black sensors will be fitted into the lower black sections of the bumper, the two coloured ones will be located into the upper coloured section of the bumper
Arduino Heartbeat sensor circuit soldered together without a board. Later enshrined in electrical tape.
Information: cmpercussion.blogspot.com/2009/07/heartbeat-sensor.html
Rain sensor for sprinkler system - Feel free to use this photo for your website or blog as long as you include photo credit with a clickable (hyperlinked) and do-follow link to
Sensors fitted with rubber washers and contour rings, you will need to select the correct contour rings to fit the countour of the bumper when fitting the sensors
Combined acidity/chloride sensor complete with integrated wireless module, allowing the sensor output to be read out on a remote unit. Further size reductions are possible, leading to sweat sensors that are small enough to be integrated into an on-body patch as part of a body area network (BAN), allowing real-time monitoring of dehydration and electrolyte levels, helping people to balance their intake of fluid and salt. This would be especially useful for elderly people suffering from fever and diarrhea whom can become easily dehydrated.
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Season of mists and mellow fruitfulness
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At one time, I would take my digital cameras to a technician to clean my sensors. When the cost became prohibitive, I started cleaning my own.
Here are two Youtube videos that I found helpful :
QRD1114 Infra red sensors embedded in milliput, to get the infrared emitter diode and infrared phototransistor separated enough to have the fit either side of the sleepers on z-scale track.
The NEW HOBOnet Field Monitoring System from Onset provides a cost-effective and scalable solution for web-enabled monitoring of field conditions for applications such as crop management, research, and greenhouse operations.
Onset's wireless sensors are ready to deploy and easily link to the network, and data is accessed through the new version of HOBOlink®, Onset's innovative cloud-based software platform.
Key Advantages
• Lowest cost-per-measurement point
• Wide coverage with wireless mesh technology that can communicate through vegetation
• Scalable, with up to 50 wireless sensors streaming back to a central, cloud-based weather station
• Remote access to data and current conditions with a customizable dashboard for analysis
• Alarm notifications when conditions reach user-set thresholds
MOC: Sensor GTR. The side profile is sleeker and more well-proportioned than that of my previous supercar attempts. It must be a handful to control with a V12 engine and that short wheelbase, though...
A new toy - the controversional Sigma with the special Foveon sensor. A premium compact camera, in the general photographic public most known for the poor ISO performance, high noise levels, low battery life, complicated interface, "just" a 4.6 MPx effective resolution, and a primitive AF system. But there are not many people who actually have used this cameras, or generally Foveon cameras at all...
I bought it for 200 USD from it´s first owner, in perfect condition, with only 600 shots on the shutter (and with two batteries and two hoods). I was just curious about the technology, but it turned out that this is a really great camera for many situations. The metallic body is of premium quality, all perfectly set together. The lens is simply great, ISO 400 is still usable, but by normal occasions ISO 100 is all I need. The interface is better than I expected, easy to use, and manual focusing is extremely simple and effective. When correctly set, the battery holds for 300 shots with no problem. The saving of a picture needs some time, but by shooting with a prime - who is really in a rush? The images are full with details and very sharp, I think that this sensor can counter a 10 MPx Bayer pattern sensor when it comes about details. And the special crisp in the pictures, and the colors - I haven´t seen something like this by other cameras.
The Sigma DP1s is a premium-built camera with a big sensor, some years old but with image quality succesfully countering today´s low-end DSLRs, and any compact camera in the market. It´s not ideal for any situation - but it´s small, easy to wear everywhere, and it´s a lot of fun to use it.
And additionally - the DP1s wasn´t really sold in our country, it was sometimes offered but never sold regularly like the DP1 and DP1x, so it´s quite unique here - and I really like it to have something unique ;-)