Re: Selecting compatible Raspberry Pi components

If you look at Raspberry Pi 3 with UEFI, you've got a "standard" Debian install on Pi 3 hardware (because UEFI has been built for Pi 3). I've got one around here somewhere running Debian Buster very nicely. To be honest, you could do all that you want with a Beaglebone Black / Beaglebone Green (or even the tiny one except that getting peripherals on that is harder). Pierre Batard did RPi 3 with UEFI tutorial, I think.

Or you can wait for a short while and Raspi 4 may yet be ready for vanilla Debain :)

On Sun, May 3, 2020 at 7:33 PM Alan Corey <alan01346@gmail.com> wrote:

I'd go with a Pi 3, 7 inch touchscreen, and 3 - 10 18650 lithium cells. You can get little switch mode voltage regulators on Aliexpress or eBay for a couple bucks. When you're not using it as a portable you've got 4 USB jacks, WiFi, Bluetooth, CAT5 ethernet., HDMI. Not sure about Debian drivers for the display, they come with Raspbian (almost the same).

On May 3, 2020 12:59 PM, "Richard Owlett" <rowlett@cloud85.net> wrote:
I've been thinking about what a handheld computer COULD be.
My image is heavily influenced by my recollection of Palm Pilot.

My project goals are two-fold
1. create a personal data logger reminiscent of a Palm Pilot
2. become familiar with Raspberry Pi while using Debian as the OS

My needs include:
>2 hours battery life
4" by 7" nominal form factor
touch screen input using a stylus
display will be entirely character mode (40 chars/line would be OK)
OS GUI not required except to say where stylus is
OS shall be Debian {possibly with non-free drivers}

I've not found found user friendly selection guides.
A typical problem was not being able to know if a selection of components had mutually compatible I/O (electrical and physical).

Suggestions for suitable selection guides?
TIA