Collection of all the articles published on this site:
–Computer;
– Electronics;
– Computer science;
– Linux and Windows systems.
– Retro Technology;
– RetroComputer;
– Audio systems;
– Vintage Electronics and other Devices;
– Repairs and experiments carried out by me.
By Amedeo Valoroso.
Do you know what ASMR videos are? They are those videos in which you record only the sound of some objects, rather than the sound of people while eating... So here is an ASMR video on the sound of all the keyboards of the back [...]
The Atari 800XL is an 8 -bit home computer produced by Atari, a US company, between 1982 and 1985. The computer was competing with the Commodore 64, but could not beat the dreaded opponent. To expand the […]
The Atari 600XL is an 8 -bit home computer produced by Atari, together with the older brother Atari 800XL, between 1982 and 1985. Unlike the ears 800XL, the 600XL is smaller and has 16kb of RAM in place [...]
The ZX Spectrum+ (ZX Spectrum Plus) is a low-cost home computer, manufactured in 1984 by Sinclair Research Ltd in the United Kingdom. It is a restyle of the ZX Spectrum with 48 KB of RAM: it has a larger case and [...]
The ZX Spectrum is a low-cost home computer, produced from 1982 until 1984 by Sinclair Research Ltd in the United Kingdom.In the 80s, the ZX Spectrum was a competitor to the Commodore 64, thanks to a cheaper price [...]
The Sinclair ZX81 was a low-cost home computer manufactured in the United Kingdom by Sinclair Research. Introduced in 1981 as a successor to the Sinclair ZX80, the Sinclair ZX81 was produced until 1984. The computer was sold by mail order, [...]
In this article, I list the complete list of commands, functions and variables reserved for the Commodore PET Basic V4.0. The computers that use Basic V4.0 are the CBM and PET series 2001, 3000, 4000 and 8000. [...]
I have already made a couple of videos of this retro computer, the Commodore PET, CBM 8032: when I purchased it and when I tried it. The computer arrived from the United States, so it is powered by 110V alternating current. Of this […]
The Texas Instruments TI-99/4A is a home computer produced between 1981 and 1983 The standard home computer produced at that time, such as the Commodore [...]
Commodore 710 "Porsche Design" con Commodore 8250LP, doppia unità per floppy disk, esposti nel mio ufficio. Sebbene questo retro computer venga spesso definito come Commodore 710 "Porsche Design", in realtà pare che non sia mai stato disegnato dalla Porsche Design […]
This yes that was a good purchase! An IBM 5155 laptop. Spectacular! This time I went to pick it up personally, to avoid transport problems. Here is a short video that I made, related to the proof of this magnificent retro [...]
For a long time I had wanted a Commodore Plus/4. I really like its design. In addition, it is equipped with Basic V3.5, with many more commands than the Commodore 64. Unfortunately it has arrived ... not working. On the blog you can find videos related to UNBOXING, […]
I recently purchased this Atari 2600 jr long rainbow, with MS cartridge. PAC-MAN and joystick, as if not working. Luckily, all it took was a little flux on the various connectors, including the multi-pole one where the game is housed. Now it works […]
A Polistil Pong console is added to my collection of retro computers and vintage electronics. It's a video game (a retro game, given that some time has passed since its release) from 1978. It was kindly given to me by close friends […]
The Commodore 128 is an 8 -bit home computer produced by the Commodore Business Machines between 1985 and 1989. It is also known as C128 and CBM128 and is compatible with the Commodore 64. It is a very versatile computer [...]
PCBWay is an online manufacturer of custom printed circuit boards. In addition to the creation of custom PCBs, anyone can publish their own project, available to other users of the PCBWay website. When a customer buys the printed circuit board, it is recognized [...]
Today we talk about the repair of the Commodore Plus/4, which I had ordered on eBay. Do you remember? I had arrived with an inadequate packaging and, above all, not working ... Repair of the Commodore Plus/4, diagnosis of the fault In this first article of the repair of the Commodore [...]
Anche oggi... video triste! Ho ordinato su eBay un Commodore SX-64, il Commdore 64 executive: la versione "portatile", per intenderci. L'inserzione eBay mostrava un computer perfetto e funzionante. L'unico difetto, dichiarato dal venditore, è l'assenza della tastiera, che dovrei trovare […]
Many of you have asked me how the dispute on eBay ended, relating to the Commodore Plus/4, which arrived defective, which I showed you in the last video. The situation went very well and, in this article, I will explain to everyone […]
Do you have the disassembled PS4, why did you clean it, and you don't know how to reassemble it? Have you changed the thermal pasta because the PS4 Pro fan was noisy? Have you replaced the battery? Well, after seeing how to disassemble the PS4 Pro and have [...]
I wasn't sure I wanted to publish this video, also because, in the end, I felt enormous DISAPPOINTMENT! Towards the middle of the video I start to feel less cheerful! Here is the unboxing of a Commodore Plus/4 that I bought on eBay... with... disappointment! Some […]
Welcome to the second article in the series dedicated to cleaning and maintaining the PlayStation 4 Pro! Let's see how to proceed with the replacement of the thermal paste of the PS4 Pro. Not only that, let's also see how to replace the CR2032 backup battery and how to clean [...]
Have you just bought a used Sony PlayStation 4? Does the fan run so fast that your PS4 will soon take flight? Is the PS4 Pro too noisy? Well, let me tell you one thing: it's not normal. Fortunately, the solution [...]
Here is the complete list of commands, functions and variables reserved for the Basic V3.5 of the Commodore 16, C-116 and Commodore Plus/4. This is a simple compendium to remember all the commands, instructions and functions, when you already [...]
Here are some solutions immediately: how to make a screenshot from Windows PC? A screenshot is a photo of the screen, instantaneous, which is you can glue in the documents or you can save as a jpg image. It's like taking a photo of the computer monitor […]
Here is the list of commands of the Basic V7 of the Commodore 128, with a simple explanation. This is a simple compendium to remember all the commands, instructions and functions, when you already know how to use them! The BASIC V7 of the [...]
I was recently delivered to me a call from Fitbit for the Fitbit Ionic smartwatch. Really? A call for a smartwatch? I thought the calls were the prerogative of cars, instead ... my experience with smartwatches my experience with [...]
On the occasion of my visit to the HistoryBit retro computer collection, I had the pleasure of meeting Davide Fornasiero, together with his brother Alberto Fornasiero. Davide has always been passionate about vintage technology. He made this documentary, which describes the evolution [...]
Here is the fourth installment of the repair of my first Amiga 500, which I bought a couple of years ago! We use AmigaTestKit to control the whole computer. Was it better to buy a computer already tested and working? I would say yes! Let's proceed with [...]
Here, finally, the proof of the Commodore PET CBM 8032 that I had purchased on eBay in the United States and that I had told you about in this video. I found a way to power it at 110V! I hope you can take some cues, if [...]