The project which unfortunately was not finished due to my relocation to other country and taking such a project with me certainly would raise some question at the security control 🙂
The original post has been written in 2012 year.
The time has came to build the PCB for the actual DIY audio amplifier. I decided to go with TDA7294.
Describing my struggles with a menu for my home small project – an audio amplifier. The main challenge is that we have just 3 buttons (the encoder), and two of them are actually not buttons but rotation directions.
First of all, I drafted a block diagram with the logic of the operation (right-left is a rotation direction, down – the button is pressed).
