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. …
Tag Archives: PC74HCT164T
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 …