The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...
But if you want something a little more versatile, you may want to consider plugging a full-fledged computer into your TV.
Raspberry Pis are not good for absolutely everything.
I got more out of my Raspberry Pi once I stopped treating it like a tiny server and started using it like a dedicated home lab appliance.
There were a plethora of tiny, local ISPs in the days of dial-up internet. Along with the big providers, many cities would ...