How many Raspberry Pis do you have and what are they used for?

3B+ attached to an Adafruit bmp180 barometric pressure/temperature/altitude sensor. Plan is to setup personal web server charting temperature via Python -> csv -> server, then maybe try hooking up a simple lcd panel I have spare. Early days learning RPI/Python. Also I have a 5 with nvme hat and 256 gb drive (running Ubuntu 24.04) learning about openmpi.
 
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I've a single Pi 4B 8GB running Jellyfin, Pihole, Transmission, a few things from the Arr stack and Open VPN. It's performing pretty well. I'm upgrading to a i5 SFF PC soon though to run unraid instead.
 
I've got a 3B running RetroPi with a couple of 8BitDo Snes style controllers. Amazed how games from 30 years ago can still captivate my young kids today!

Ideally want to get a newer Pi running RetroPi to replace that one, and use the 3B for Home Assistant but I've just never got round to it.
 
Just getting around to installing the M.2 hat now and getting Plex on to the Pi 5.

I've been playing with my CNC making a case for this (out of a bamboo board), without the hat it worked a treat but I need to recut it in a different material as too little material is left now and the wall thickness is wafer thin. Plus I want a nicer material.
 
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New Raspberry Pi Pico 2 £4.80 Pre-order now. https://www.zdnet.com/article/the-tiniest-raspberry-pi-the-5-pico-2-gets-a-big-performance-boost/
Raspberry Pi Pico 2 Specifications

CPU: Dual Arm Cortex-M33 or dual RISC-V Hazard3 processors @ 150MHz
Memory: 520 KB on-chip SRAM; 4 MB on-board QSPI flash
Interfacing: 26 multi-purpose GPIO pins, including four that can be used for ADC
Peripherals:
2 × UART
2 × SPI controllers
2 × I2C controllers
24 × PWM channels
1 × USB 1.1 controller and PHY, with host and device support
12 × PIO state machines
Input power: 1.8-5.5V DC
Operating temperature: -20°C to +85°C
 
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I see the Pico2 as a bridge device... bridging a migration from ARM to RISC for this sort of use case... otherwise a bit puzzled why they included two RISC cores in the silicon
 
Feek said:
Ahh, so they're the RPi Gucci version of arduinos?


This is as good a reason as any :D
Click to expand...
I'd personally consider them the Temu version than the Guicci version.

The Ecosystem is diabolically bad to work with, or at least was the last time I used a Pico. The SDK is poor, the documentation is poor. The target audience for these don't want to spend an hour manually installing a toolchain, configuring VS Code to use said tool chain, and manually edit CMake files to build a basic project.

ST's STM32CubeIDE is awful, and I'd rather recommend that and an STM32 Series MCU to someone looking to graduate from Arduino to something more "serious", although with the move to the RA4M1 sticking the the Uno R4 but moving to using e2 studio getting you closer to the hardware is a very compelling argument now too
 
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