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LIDAR has gained much popularity as a means for self-driving cars to survey the space around them. At their most basic, LIDAR is a surveying method that uses lasers to paints the space around the sensors and assembles the distances measured from reflected light into a digital three-dimensional representation. That’s something that has quite a number of other applications, from surveying ancient ruins and rainforests from a bird’s eye view to developing 3D models of indoor spaces. One fascinating use of LIDAR technology is to map out the routes inside caves, subterranean spaces that are seldom accessed by humans apart from those with specialized equipment and knowledge of how to safely traverse the underground terrain. [caver.adam] has been working on his Open LIDAR project for a few years using an SF30-B High Speed Rangefinder and laser device for a dual-system atop a gimbal with stepper motors for cave scanning. Originally an entry in the 2016 Hackaday Prize, [Adam] has continued t...

Photo Lab PRO Photo Editor Enhance your photos with over 640 beautiful frames, effects, filters or montages! Photo Lab PRO is an easy, quick and... The post Photo Lab PRO Picture Editor v3.7.8 [Patched] Proper [Latest] appeared first on APK4Free . from APK4Free https://ift.tt/2rsZzB9 via

Office Calculator PRO Office calculator with a virtual tape for Android, This is a calculator optimized for office tasks. Office calculator with a virtual tape... The post Office Calculator Pro v5.3.1 [Patched] [Latest] appeared first on APK4Free . from APK4Free https://ift.tt/2xlfDtL via

Have you ever wrapped up a nice blinky project only to be disappointed by the predictability of the light or the color patterns? When it came to lighting this LED candle , so was [fungus amungus]. But there’s a better way, and it involves noise. Perlin noise was created in the early 80s by Ken Perlin while he was working on the movie Tron . Frustrated by the current state of computer graphics and too limited on space to use images, he devised an algorithm for generating natural-looking textures. Basically, you generate a bunch of numbers between 0 and 1, then assign values to those numbers, such as a range of greyscale values from black (0) to white (1), or the values from the color wheel. The result is much prettier than random numbers because the neighboring values for any given number aren’t radically different. You get nice randomness with hardly any overhead. [fungus amungus] is using the FastLED’s noise function to generate the numbers, but there’s a whole lot more going on her...

Powerful Music Player with Equalizer and stunning interface. Dub Music Player is a stunning Music Player, beautifully crafted with Realistic and Material Design in mind... The post Dub Music Player – Audio Player & Music Equalizer v4.22 [Pro] [Latest] appeared first on APK4Free . from APK4Free https://ift.tt/2vTQJ5t via

Aptoide is the largest independent Android Appstore and allows one to setup and manage your own Android Market. Aptoide – Your open source package installer... The post Aptoide Dev v9.12.0.2.20191228 [MOD Ad-Free] [Latest] appeared first on APK4Free . from APK4Free https://ift.tt/2KPwdd6 via

[CNCKitchen], like many others, is looking to make strong 3D prints. Using a high tech PLA bio copolyester compound, he printed a bunch of hooks in two different orientations. He used several different types of glue including epoxy and superglue. You can see the video of his results, below. In addition to the glue, he used epoxy and bulk carbon fiber, again, in two different orientations. After several days of curing, he was ready to test. Untreated parts managed about 53 kg or not quite 25 kg, depending on their orientation. The thin superglue part got up to 58 kg. VIscious superglue didn’t do much better than the thin glue. Since the epoxy cracked before the plastic, there wasn’t much difference and in one orientation it was even weaker than the reference part. You can get carbon fiber enhanced PLA, but you get short fibers. [Stefan] glued long pieces of carbon fiber exactly where he wanted them using epoxy. This method did provide some benefits. Unfortunately, at least with th...