A Russian Soyuz rocket launched from Baikonur Cosmodrome, in Kazakhstan, the biosatellite Bion-M Nº2, which contained many living organisms.
Introduction to generative AI
Generative AI can produce new content from a command prompt written by the user. ChatGPT is the most known example.
A robotic sheet was built
Researchers from KAIST, in South Korea, developed a programmable robotic sheet, which can move, change shape and grab objects.
4 LED arrays module with MAX7219
This post shows how to control a 4 LED arrays module with Arduino and the operation of MAX7219, a Maxim chip.
Solving the rovers’ problem
The rovers got stuck in other celestial bodies. But, I team of engineers solved the problem.
3D printing transform biodegradable material in conductor
New 3D printing method make biodegradable polymers in electronic components, for a more sustainable electronics.
Symmetrical power source for op-amps
This post’s subject is the design and assemble of a symmetrical power source, to supply operational amplifiers (op-amps).
Electrical e-Library on Campus Party 2025
I was in Brasília, for the 17th edition of Campus Party Brazil, an annual event of science, technology and entrepreneurship.
Cellphones serve as data centers
Researchers from Tartu University, Estonia, discovered that old smartphones can be used as small data centers.

