nostr:npub1g7w2nsc0pfhmpgtce2y4p9sdyxgy2vphxau4xy9xa0gu790v5y2qkjne0h nostr:npub15syjwh43czudupxlj7ewa5tlyk66zxfhx6384fxaqmrk6pfjzmlq9arx2q  nostr:npub18hdtxw4fy7wyksk5ryskdksq2w9d2fqwd5htkkazeazeh26fmz0srkkf64 why a Pi and not an ESP32 as a temperature sensor?