Smart Pss Raspberry Pi [best] 〈2026〉

Mount the Pi to the back of a monitor for a clean, "All-in-One" look.

| HC-SR04 | Raspberry Pi GPIO | |---------|-------------------| | VCC | 5V (Pin 2 or 4) | | GND | GND (Pin 6) | | TRIG | GPIO 23 | | ECHO | GPIO 24 (via voltage divider – 3.3V safe!) | smart pss raspberry pi