THT and SMD resistor calculator with 3, 4, 5, and 6 color bands, 3- and 4-digit codes, R notation, EIA-96, and E12, E24, E48, E96, and E192 series. Resistor value table.

THT and SMD resistor calculator: colors, codes and series

Do you want to read the value of a resistor from the colored bands or from the SMD code, or do you want to obtain bands and codes starting from the value in ohms? This universal calculator handles THT and SMD resistors, EIA-96 codes and normalized E series. Calculator […]

Amedeo Valoroso of ValorosoIT with Franco Sassaro and IBM Personal Computer AT 5170 complete with IBM 5151 monitor and IBM Model F keyboard, protagonist of the donation of vintage computers

Donation by Franco Sassaro of Microsystem Engineering

This time I want to start with a big thank you to Franco Sassaro of Microsystem Engineering for this important donation of vintage computers, electronic equipment, PC cards, development tools and material used during his professional activity. Everything is […]

Online pressure unit converter: bar, psi, Pa, kPa, MPa, atm, Torr, mmHg and mH₂O.

Online pressure converter: bar, psi, Pa, atm and mmHg

Do you need to convert a pressure from bar to psi, from psi to bar, from pascal to bar or between other units of measurement? This online pressure converter allows you to quickly convert the most used units in the technical, industrial, automotive, […]

PlayStation 4 Pro maintenance: fan cleaning, CPU thermal paste, and battery replacement

Noisy PS4 Pro: Fan Cleaning and Thermal Paste

Do you have a noisy PS4 Pro, with the fan spinning very fast even after a few minutes of use? Or does the console seem to get hotter than normal? In many cases the problem is due to dust accumulated in the fan and heatsink […]

Commodore 5.25 floppy disk case, cover, floppy disk, article cover

5.25" and 3.5" Commodore floppy disk sleeves

In this article I provide two Word templates to create and print 3.5 and 5.25 inch floppy disk covers. The files were created by Massimiliano Gnecchi, who I thank for sharing them with ValorosoIT users. Cover […]

Ohm's law and power calculator with resistivity, AWG/mm² conversion, voltage V, current A, resistance Ω, power W and cable cross-section calculations.

Ohm's law and power calculator: resistivity, AWG and mm²

How do you calculate voltage, current, resistance and power with Ohm's law? How do you calculate the resistance of a cable knowing the material, length and section? Here is a complete, simple and fast Ohm's law calculator, to use directly […]

Length converter with a background transitioning from an atom to a metal ruler and a galaxy. The units of measurement Å, nm, µm, mm, cm, m, km, in, ft, yd, mi, nmi, au, ly and pc are visible, arranged along a scale ranging from atomic dimensions to astronomical distances.

Online length converter: meters, inches, feet, miles

How many centimeters are in an inch? How many meters are a foot? How many kilometers are a mile? Here, below, is a quick and simple length converter, to be used directly online! The calculator allows you to convert 40 units of measurement […]

OldGame.CZ, retrogaming, videogame vintage

OldGame.CZ: old games in the browser

Anyone who grew up in front of a PC with MS-DOS, a Commodore 64 or an 8-bit console knows well the difficulty of starting video games of the time today. You need to recover the files, install an emulator and correctly configure […]

Unboxing Commodore Plus4, purchased on eBay, disappointment

This is the transcript of the video. Read the original article with all the details → Good morning guys and welcome back to the ValorosoIT channel! What do we have here? It's a package that I ordered on eBay and it arrived after more than […]

I won the eBay dispute! Commodore Plus4 arrived not working.

This is the transcript of the video. Read the original article with all the details → Good morning everyone and welcome back to the ValorosoIT channel. Many of you have asked me how the situation ended with the Commodore Plus/4 (Commodore Plus4) which I […]

Maxi purchase of 6 cartridges for Commodore Vic20: is it a scam???

This is the transcript of the video. Read the original article with all the details → Good morning and welcome back to the ValorosoIT channel. If you like retrocomputers and vintage electronics, you are in the right place and I invite you to subscribe to the channel and […]

We write a Basic program for MSX! We draw a circle. Course 9.

This is the transcript of the video. Read the original article with all the details → Good morning and welcome back to the ValorosoIT channel. Do you like vintage electronic retrocomputers? You are in the right place and I invite you to subscribe to the channel and activate […]

Here is the French test: Philips VG 5000 purchased on eBay! Does it work???

This is the transcript of the video. Read the original article with all the details → Good morning guys and welcome back to the ValorosoIT channel, the channel dedicated to retrocomputers and vintage electronics. If you are interested in these topics, I invite you to subscribe to the channel […]

IBM 300GL: is it vintage enough? Here's the unboxing and the test with ASMR!

This is the transcript of the video. Read the original article with all the details → Good morning guys and welcome back to the ValorosoIT channel, the channel dedicated to retrocomputers and vintage electronics. If you are interested in these topics, you are invited to subscribe to the channel […]