Repararea monitorului de 24′. Înlocuirea CCFL vechi cu LED EN I had 3 monitors to repair. Only 2 were
Author: racov
Satellite news: METEOR_M2-2 & AO-7
Bad news first: Meteor M2-2 no longer transmits Earth images on 137 MHz. Meteor M N2-2 is a Russian weather
Arduino based antenna rotator – Part1
Rotator de antenă cu Arduino – Partea 1 EN: I started this project out of curiosity and ambition to learn
Baofeng UV-5 & UV-3 Antenna . Analysis and comparison
The bottom line is that in VHF, both antennas perform very well, with SWR close to 1: 1. In UHF,
Parkside PTBM 500 E5 vertical bench drill press – assembly and adjustments
From the Parkside tools series from Lidl, this bench drill press. At under 80 euros, I say it’s definitely a winner.
Baofeng UV-5RA+ portable transceiver – Volume potentiometer repair
This 5W portable from Baofeng (China) has been setting the internet on fire for years, and has fans and haters
Art of Manliness
EN Whoever was born with a sausage between his legs and thinks that this automatically makes him a man, lives
How much electricity does the household appliances in each household use?
This was a quick and easy experiment and is not very accurate. A scientific approach would be to repeat it
Week Number Rollover in the Global Positioning System (GPS)
EN On April 6, 2019, one era of global positioning system ended and another began, an event that affected some
More contacts with the Space Station in December
EN December was even more productive in terms of transmissions from the International Space Station. I do not know if
4 Years in Timelapse (2016, 2017, 2018, 2019)
EN My oh my, 2019 has gone. 2020 is coming. SF, StarWars, moving sidewalks, flying taxis, space elevator … Yeah,
A new 1.2-35V / 9A Power Supply
EN Although I still had a few power supplies, I felt the need for one easy to carry around, strong