Raspberry Pis are not good for absolutely everything.
Any Raspberry Pi will do to start, even a Pi Zero.
The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...
DIY local backup solution shows a compact Proxmox and TrueNAS backup server using mirrored 24TB Seagate Exos drives for centralized protection.