Now that I deciphered where everything goes and how everything works, it was time to make sure I build a foundation to make the I/O a little more usable, instead of fetching raw data. Fist stop: make the input buttons accessible. Working with keypresses is actually not as simple as I intuitively thought. If you […]
Monthly Archives: May 2020
Controlling the card
I found an old beaten-up CD player a while back, and decided to take out the human interface card, with the LCD and buttons on it. In a previous post, I found out where all the connections on the PCB go and how they connect the buttons, LCD and chips together and what they do. […]
Interfacing with a human interface card
I found an old beaten-up CD player (a Philips AK601) next to the trash container a while back.I picked it up, found it not worthy of being taken back into use, so I decided to open it up and maybe gut it for parts. I found a couple of motors inside, but what really drew […]