Scientists modified a glue gun to 3D print a material that can repair fractures on bones.
Simple flashlight without battery
This is a project of a simple flashlight without battery, which turns on a LED, spinning an electric motor with the hands.
Bion-M Nº2 launch
A Russian Soyuz rocket launched from Baikonur Cosmodrome, in Kazakhstan, the biosatellite Bion-M Nº2, which contained many living beings.
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.
