The propulsion by solar sail can be an alternative for long space travel. This technology’s operation is this post’s subject.
Category: Light
Antenna for 6G networks
The wireless communication technology 6G is still in development. A recently built antenna prototype can be used on these networks.
Optocoupler with phototransistor
The optocoupler electrically insulates a circuit’s input and output. The operation and some projects are shown in this post.
The DVD that can store 1 million movies
A new material and new recording methods, allow a disk with a DVD size to store a huge quantity of memory.
IR vehicle with Arduino
The IR vehicle is a simple project, a car with Arduino, that receives an infrared signal from a remote control to control 2 servomotors.
The launch of Einstein mission
China launched the Einstein probe to study X-ray emissions from neutron stars, black holes, and other phenomena.
Arduino tutorial (Part 8, IR remote control), 2nd edition
One more Arduino tutorial. This time will be explained how to control devices with an IR remote control. The operation of IR (infrared) control will be subject to another post.
Introduction to phased array antennas
This post subject is phased array antennas. They are many arranged radiators to behave like a single antenna.
Corona effect on electricity
This post’s subject is corona effect or corona discharge. This phenomenon is common in medium and high voltage transmission lines.
2 projects with LED effect
The two shown projects to make LED effect using the Johnson counter 4017.