How To: Use a Flatbed Scanner and Raspberry Pi to Take Super Sharp Macro Photos
You can take macro photos on a huge variety of devices, whether you're using a DSLR with expensive lenses or just your iPhone (or any smartphone, for that matter). One common issue, though, is that it can be hard to get the image as crisp as you want because the depth of field is so small.David Hunt had an old flatbed scanner sitting around, and he figured he could kill two birds with one stone by using it to create a setup that solves the focus problem with macro photography.In combination with a Raspberry Pi, the scanner moves his camera a tiny bit at a time and takes a bunch of photos which can be stacked together to create one super sharp image. Image via davidhunt.ie The Raspberry Pi is attached to a stepper motor drive and his camera's shutter. It moves the camera at various speeds, sometimes as little as .02mm at a time, using the shutter release to take a photo each time.The photos are then stitched together using a free, open-source program for Windows called CombineZM. All you have to do is load the photos into the program and go to Macro -> Do Stack. Image via wonderfulphotos.com It will automatically line them up and apply the appropriate filters. If this doesn't get the results you want, you can also stack them manually. If you can't get CombineZM, you can also use Photoshop to do some depth of field blending.Check out the video to see the setup and how it works. Please enable JavaScript to watch this video.
For more details and all the code, head over to David's website. You can find a full tutorial on stacking images in CombineZM over on Wonderful Photos.
Headphones, portable speakers, keyboards, even your car — these are just a few out of the many things that can connect wirelessly to your iPhone and iPad using Bluetooth. Modern Bluetooth is also easier to use than ever. As long as everything is charged, a Bluetooth device can broadcast that it's
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This guide covers getting up and running with Ruby on Rails. After reading this guide, you will know: How to install Rails, create a new Rails application, and connect your application to a database. The general layout of a Rails application. The basic principles of MVC (Model, View, Controller) and RESTful design.
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How To Make a Foxhole Radio. Getting news and information when the SHTF is critical. Things could be going seriously wrong and you may not have an idea in you are not getting any news. There is a good chance the infrastructure will be in trouble and your reality TV shows won't be streaming on the tube. The cable will be out.
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Google has a lesser-known Android app called Device Assist that might just be one of the most useful programs the company has ever published. It offers interactive guides and general tech support for Android, plus it can diagnose your device and help you fix any issues it finds.
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Make a Cool Hologram Illusion!: This instructable will show you how to easily make a convincing floating head hologram. It's a great addition to your Halloween decorations! Watch the video for the overview. (The camera can't do this illusion the justice it deserves.)
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Oct 04, 2016 · Surge pricing isn't arbitrary. It happens during times when -- and in locations where -- drivers are in high demand. Here are nine ways to get around surge prices and avoid having to turn to Kickstarter after accidentally spending your rent money on a $360 ride
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Booting the Nexus 6P into Safe Mode is going to temporarily disable any and all 3rd-party applications on the device. These will only be disabled while in Safe Mode, so when you reboot the Nexus 6P again, you will go out of Safe Mode and these applications will work like normal again.
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How to Hear TV Sound Without Blasting Everyone Else Out. People of all ages may have difficulty hearing the TV. Turning up the volume too loudly on your TV can disrupt your neighbors or make it difficult for you to watch TV with other
Make Your iPhone Louder with This Trick (IT ACTUALLY WORKS
In this video, we learn how to use the ring/silent switch on your iPhone. First, you will find the switch which is on the side of the phone. This will allow you to turn your notifications on or off. Simply flick the switch until you see an orange dot, which means it's off. If you wish to receive
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Step 2: Determine the needed pins for your floppy drives. Like what I said earlier, you only need to determine 3 pins to make the floppy drive sing. If you look at the back of your floppy drive you would see these 34 pins. Just check on the image to determine which is pin 1 and so on.
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One of my favorite Samsung TouchWiz features is the light flare swipe effect on the lock screen. Image via wonderhowto.com Unfortunately you can't have the unlock effect and lock screen security (like PIN, pattern, or face unlock) at the same time; it's either one or the other.
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