Author Archives: Admin
Toucan, portable utility for synching directories, creating backups and encrypting files
Toucan is part of PortableApps, a collection of portable applications. It contains a good set features for managing your backups and archives: synchronise backup encrypt The figure below shows one file to be encrypted. After encryption, the original file is … Continue reading
Posted in Basic Tools, Recommended Free Tools
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FileVerifier++ and Karen’s Hasher, GUI Tools for fingerprinting your files with SHA-512
In an earlier blog, a GUI tool called WinMD5 was recommended for maintaining integrity of your files. However, hash calculation based on SHA-512 is more security nowadays. For example, if you need to proof to others, that you possessed a … Continue reading
Posted in Anvanced Tools, Forensics, Protection, Recommended Free Tools, Security Products and Solutions, Tips, Tools
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DIY Spectrometer, and notes on online Spectral Workbench
There exist several variations of DIY spectrometer by using CD or DVD as the main component (ie. generating the rainbow of colors by diffraction from the optical disk grooves). The output is a spectra, light intensity versus wavelength. In Wikipedia: … Continue reading
Posted in Android, Anvanced Tools, DIY, For Fun or Interest, Gadgets, Hobbies and Other Interests, Tests
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Registax, Tool for enhancing an astro image from set of images
It is possible to improve your sky photos by using stacking tool like Registax. The input needed is a set of repetitive photos. For Canon cameras, there exist modification called CHDK with an intervalometer script, with which it is staightforward … Continue reading
Posted in Anvanced Tools, Audio and Video, For Fun or Interest, Hobbies and Other Interests, Recommended Free Tools
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Tools for Colors and Color names: “What Color”, SIHwheel, “Name That Color”
This blog is not about choosing the right color, but about identifying what color is being used. Some tools provide numeric RGB values, but there are some ways to get the nearby color name, as will be shown here. Getting … Continue reading
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DIY heater for digital camera
Once, when taking outside photos, the digital camera (Canon SX1) started to get problems. I hadn’t thought about it much earlier, but obviously -18 degree Celsius was too much for the electronics. Quick search on internet showed several DIY heater … Continue reading
Posted in Audio and Video, DIY, For Fun or Interest, Gadgets, Hobbies and Other Interests, Tips
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CHDK, Modification to enhance your camera (Canon)
Canon Hack Development Kit, CHDK, makes it possible to enhance Canon Powershot cameras without replacing the firmware. It can be loaded from SD, in camera first press <alt> button and then menu, see picture below. Good place to start: CHDK … Continue reading
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