This post shows how to design a sawtooth generator circuit, or ramp, which uses a current source and the integrated circuit 555.
The autonomous excavator
An autonomous excavator built a stone wall of 6 meters in height and 65 meters in length.
Introduction to phased array antennas
This post subject is phased array antennas. They are many arranged radiators to behave like a single antenna.
The first Euclid images
The European Space Agency (ESA) released the first images obtained by Euclid space telescope, which investigates the dark universe.
Embryos grew up in space
For the first time, mice embryos were developed inside the International Space Station (ISS).
Cyclotron: what is it and how it works?
The cyclotron is a particle accelerator invented in 1932, for research in High Energy Physics and isotope production.
Standard Model of particle physics
The Standard Model was presented in 1970. It’s the result of many researches and discoveries in particle physics area since 1930.
Electret microphone: how does it work?
The electret microphone is very used in electronic projects, due to its low cost, size, good sensitivity, and mechanical resistance.
Meet the LM3915
The LM3915 is an integrated circuit that uses many operational amplifiers to measure voltage level or audio volume.
Effects of gravity on antimatter
An experiment on CERN confirmed that antimatter is attracted by gravity in the same way as common matter.

