Electronics hobby blog
ezPLA - C64 PLA replacement PCB
ezContents 2 September 2021
A while back I created a prototype board for the PLA replacement chip for C64. It was time to make a PCB out of it. In this blog post I will describe the steps that I did to design the PCB using KiCad and manufacture it using PCBWay prototype service.
Teensy 4.1 PSRAM upgrade
ezContents 21 July 2021
Teensy 4.1 can be upgraded with up to 16 Megabytes of PSRAM. Here I describe the process.
Installing SIDKick SID replacement
ezContents 18 July 2021
SIDKick is yet another SID replacement solution for your C64 that is powered by Teensy 4.1 board. It is completely free and open source based that you can build yourself.
Atari 800XL PCB - soldering and troubleshooting
ezContents 16 March 2021
After collecting all the components needed for the Atari board it was finally time to solder them. But what are the chances that the project would work on first attempt? In my case it didn't and I will describe here my process of troubleshooting.
Macintosh Plus disks from disk images
ezContents 22 December 2020
This blog post takes a closer look at the Macintosh Plus and show how to create a System Boot floppy disk. Besides that it also shows how to get some software to run on this computer.
Wio Terminal - Game in ArduPu (MicroPython)
ezContents 19 August 2020
In this blog post I will be taking a closer look at the WIO Terminal and making a small game using ArduPy which is a combination of Arduino and MicroPython.
BBC Micro:bit breadboard projects
ezContents 16 July 2020
This is the micro:bit. It is a pocket sized computer system with motion detection, a built-in compass and Bluetooth technology that can be used to learn programming and electronics.
CNC 3018 Pro unboxing and assembly
ezContents 28 June 2020
This is a CNC 3018 Pro router. It can be bought for around 150 euros from various online resellers. It comes unassembled. In this tutorial I will first do the unboxing and then share with you my challenges during the assembly of this CNC router.
C64 cartridges on breadboard
ezContents 28 June 2020
What you see here is a Commodore 64 cartridge that I have created by sticking an EPROM and some other components on a breadboard.
Commodore 64 custom PLA chip test
ezContents 2 June 2020
A while back I also made a prototype for C64 PLA chip replacement, but I never did any further tests and completed the project.
I thought that it was time to do some more tests on the chip. But will it pass the tests? Let's find out...