Although high fidelity audio has made great progress in the past few decades, many modern stereo devices still fail to catch up with some old analog instruments common on amplifiers and receivers…
Category: Tech Sharing
Tech Sharing
3D printing concrete beams to improve sustainability
Many of the 3D printing houses and structures we see are made of concrete, which, frankly, is a bit unpleasant. It is not so difficult to make a big square with concrete….
Skills for winding durable coils, with flat and beautiful sides
[drew Pilcher] needs a durable custom coil, coreless and completely flat on the side. Of course, the coil can be wound by hand, but it needs some extra help to reliably make…
Balance the motor with an oscilloscope
Balance the motor with an oscilloscope to face everything in life. We must seek balance. This may sound like the whine of a new era, but if you don’t think it’s true,…
Do you like to listen to gramophone records cut by CNC?
No matter what you say about thomasedison, it is hard to deny that he claimed to be his favorite invention: the genius of the phonograph. Capturing sound on extensible media as a…
3D printing gear press can squeeze things
Press is a useful thing, whether you like to destroy things or just want to install some bearings correctly. [retsetman] decided to build one from scratch, avoiding the typical hydraulic method of…
Swing again on the 3D printed agamott eyes
Three years ago, [enza3d] produced a 3D printed version of agamot’s eye, as shown in Marvel’s strange doctor. This is a very nice prop, but there must be some room for improvement…
Recreate a camera shot
When the camera zooms in and out madly, people roll down from shields and spears and collide with swords, which makes the iconic action sequence in the film 300 so iconic. Unfortunately,…
Helium recovery system saves costs
Helium is the most common element in the universe except hydrogen, but it is difficult to find on earth despite its high general abundance. Part of the problem is that it is…
Open tool chain of sipeed Tang nano FPGA
[saiwan janian] shared their research on integrating open FPGA tool chain. Specifically, this is the open tool chain of sipeed nano Tang FPGA. The products provided by sipeed from China are relatively…