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.
Is there a mouse for the Commodore 64? Here is the Commodore 1350 mouse! Let's see where I bought it, try it with The Final Cartridge III+ and open it to clean it. Trying The Final Cartridge III+ interface, an interface that connects to the […]
Today we talk about DiagROM and start replacing the keyboard membrane of the Amiga 500. We are at the third installment of the endless story of this Amiga 500 that I bought last year! Can a repair last so long? Unfortunately the answer [...]
Today I want to talk to you about the divine artistic installation! Dante's avatar. Divine! It is an artistic installation designed and created by the University of Pisa - D.I.C.I. - Astro Laboratory, under the artistic direction of Foll.ia Lab. It is a cycle of events on the occasion of the celebrations [...]
Here is the review of the TapeCart SD, which was given to me by Vincenzo Santoro of www.winmar.it. The SD TapeCart that was given to me is a special version! It is an interface that connects to the datassette port of the Commodore 64 [...]
Every now and then a good luck also happens. Look at what a friend gave me? It is an Atari 1040 ST F, with SM124 monitor. Along with the computer and monitor, there are also accessories. There is a box of diskettes, a [...]
Welcome to the eighth episode of the Basic language course! In today's video, we learn how to write a simple program starting from an idea. How to write a program: the flow diagram suppose we want to write a very simple program to generate [...]
Here is the complete list of the controls, functions and confidential variables of the Basic V2 of the Commodore 64, with a simple explanation and an example of use. This is a simple compendium to remember all the commands, instructions and […]
In this video article we talk about how to build a replica of The Final Cartridge III+. Let's see how to get the printed circuit board of the interface on PCBWay, how to solder all the electronic components and how to program the EPROM through the cheap programmer TL866II Plus. [...]
Let's rebuild the corroded tracks of the printed circuit and solder the socket of the Paula CSG 8364R7 audio chip: here is the second episode of the never-ending story of the Repair and Testing of the Amiga 500 that I purchased last year. In the previous video, I […]
Benvenuti alla seconda puntata della rubrica: "L’Ultimo Ritrovato della Retro Tecnologia"! Vediamo internamente il mangiadischi Penny, lo puliamo ed analizziamo il funzionamento. Paese di produzione: Italia.Produttore: MusicalNastro, MusicalSound.Modello: Penny 222D.Anni di produzione: 1975 - 1988.Tensioni di funzionamento: rete 220 Volt […]
Let's repair the power supply of the Atari 1050 floppy disk drive, which, in the previous video, had blown the power! Even if it's just a transformer, the repair made me sweat! I recommend, always unplug when working on electrical circuits: [...]
Today I start to tell you the never-ending story of the repair of the Amiga 500 that I purchased last year and which I hoped to be able to use quickly! Purchase of the Amiga 500 I found an interesting advert on Facebook Marketplace. According to the seller, the computer was […]
The repair of an Amiga 500 came in handy to create a tutorial on how to desolder a socket, from the PCB, with the ZD-8915 desoldering station. In the video, at minute 9:35, there is a tutorial on how to set up and use the station […]
I recently purchased an Atari 800XL, complete with Atari 1050 floppy disk drive. Here is the unboxing and first boot... with short circuit! Before turning on a computer that has not been used for years, remember to follow the steps in this video article. Advice […]
In this video, we see how to improve the picture quality of the Commodore 64, 128 and Commodore 16 by using an S-Video cable instead of the Composite Video (CVBS) cable. If you connect your Commodore to a modern LCD TV, plasma [...]
It can happen that, sometimes, you forget the PC turned on and remain in operation throughout the night. In this article, we see how to automatically turn off the PC at a scheduled time, appropriately setting Windows 10. Let's also see how to avoid [...]
Welcome to the seventh installment of the Basic language course. It is a very practical episode! Let's see how to create a sprite for the Commodore 64, with SpriteMate, in a really simple and fast way. Using an example program in Basic, we move the [...]
The bike struggles to start? The scooter does not turn on? The starter is spinning, but the engine is not starting? Or, even, the starter does not even turn? Probably the fault lies with the battery, which needs to be replaced. Let's see [...]
Welcome to the new section: "The Latest Rediscover of Retro Technology"! Today we talk about my latest purchase: a Telefunken Mignonette MF R231 tube radio. The Telefunken Mignonette MF tube radio dates back to 1955, 1956. The audio amplifier is with EL84 valve [...]
In today's video, let's see how to connect two color monitors to Commodore 128, using the RGBI exit, as well as the video exit. The Commodore 128 is in fact equipped with a second graphic chip, the VDC, whose signals come out on the back door [...]
Welcome to the sixth installment of the Basic Programming course. Today we see how to write and read a file in Basic, with the instructions Open, Close, Print # and Input #. Learn to program in Basic, on which computers? The program of [...]
Today we talk about the 1541 Diagnostic Cartridge by Jani. This interface contains a series of utilities to check your Commodore 1541 floppy disk drive (head alignment, rotation speed, etc...). We analyze both the hardware and the features of the 1541 Diagnostic […]
In this video, with an exceptional guest, Francesco Sblendorio of Retrocampus, we see how to connect a Commodore MPS803 dot matrix printer to a modern PC with Windows 10 operating system! If you are interested in assembling the XUM1541 kit, you can consult this [...]
In this video tutorial, we see how to connect the Commodore 1541 floppy disk drive to the Windows 10 PC. From 7:13, we also see how to use the various software used to transfer files: OpenCBM and CBM Transfer (written CBMXfer). The interface [...]
In this video tutorial, we see how to connect the XUM 1541 adapter to the PC and how to install the XUM1541 drivers on Windows 10. We also see how to install the various software used to transfer files: OpenCBM and CBM Transfer (written CBMXfer). [...]
Welcome to the fifth installment of the Basic Programming course. Today we see the RND function, which generates pseudo-random numbers, the INT function, which returns the integer part of a number and also the TIMER system variable. We implement the [...]
I ordered an XUM1541 mounting kit on eBay. This interface allows you to connect the original Commodore 1541 drive (with IEC port) to the USB port of a Windows PC (also Windows 10). In this video tutorial, let's see how to build one [...]
Many of you have contacted me and asked me how to turn the Commodore back on, after so many years of inactivity, without doing damage. Let's see what to do to turn on (turn on) an old computer (a Commodore 64, a Commodore 16, a Vic20, a C128 [...]
I bought on eBay some spare RAM memories for the Commodore 64 (biscuit version), from China, at low cost. Will they have worked? Do you have to pay attention to buying RAMs from China? Here are the results of the Commodore 64 RAM test! [...]
Welcome to the fourth installment of the video course on Basic language. Today we introduce vectors, also called arrays, which are data structures. We also see the concept of average, minimum and maximum value of a sequence of numbers. Not at least, […]