In this post, it is shown how to design a BJT amplifier with voltage divider on common emitter mode. Two examples of projects are presented.
Charge controller: how it works?
I received a doubt about the charge controller for solar power generation. This component is very important for off-grid systems.
3D priting of nanostructures
New materials can be 3D printed, to create many nanostructures and improve materials’ resistance without increasing weight.
How CCD sensor works?
The CCD is the abbreviation of Charged Couple Device. This light sensor is very used to obtain images in digital cameras, telescopes and smartphones.
The launch of Mengtian
Was launched on this Monday, the last main module of the Chinese space station Tiangong, the space lab Mengtian.
2 digital electronics projects
In this post are shown 2 digital electronics projects, using DIP integrated circuits: luminous effect with 74HC595 and a semaphore.
Pillars of Creation saw by James Webb
The space telescope James Webb obtained an image of the iconic Pillars of Creation, reveling a great quantity of stars.
Bringing the smell to virtual reality
Were developed an open code device that allows to include the smell in virtual reality and a game where you feel wine smells.
Meet the 4093 (2nd edition)
This is the post’s second edition. Additional information has been added.
Liquid mirror telescope
This post’s subject is the liquid mirror telescope. The operation, advantages and disadvantages and, some projects are shown.