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.
Scale with HX711 module and Arduino
This the project of a scale with a HX711 module and an Arduino, to measure filaments used in 3D printing.
Higgs boson: discovery and definition
Higgs boson is a fundamental particles of the Standard Model of particle physics, was discovered in 2012 at LHC.
The space computing satellite constellation
China launched into orbit the first 12 satellites to build a constellation of 2800 satellites, to execute space computing.
