Can I build a custom SingleBoardComputer like Raspberry PI

I want to build a Laptop completely from scratch and want to make a pcb design for a fully working SBC with Linux or Android OS on it. It would be nice to have ARMV8-A on it. Thanks for any reply ...
Can I build a custom SingleBoardComputer like Raspberry PI

I want to build a Laptop completely from scratch and want to make a pcb design for a fully working SBC with Linux or Android OS on it. It would be nice to have ARMV8-A on it. Thanks for any reply ...
build my own board ?

Hello, I want to build a ( SMALL & NARROW FOOTPRINT ) board that does audio DSP , so far, I tried : - using a teensy 3.6, but it has a terrible ADC (50% SNR) and the I2S interface is glitchy at best...
build my own board ?

Hello, I want to build a ( SMALL & NARROW FOOTPRINT ) board that does audio DSP , so far, I tried : - using a teensy 3.6, but it has a terrible ADC (50% SNR) and the I2S interface is glitchy at best...
How can I learn to build my own computer with Arm processors?

Hi dears. I am looking for a book explained how to make a computer by using Arm core processors?