| Item | Cost | |------|------| | Raspberry Pi Zero W | $15 | | HC-SR04 sensor | $3 | | LEDs + resistors | $2 | | Jumper wires | $2 | | | ~$22 |
Set your cameras to 15 FPS. Human eyes rarely need 30-60 FPS for security, and the Pi will run much cooler. smart pss raspberry pi
Use at least the 4GB RAM model. Video decoding is intensive. | Item | Cost | |------|------| | Raspberry