⚠️ The HC-SR04 ECHO pin outputs 5V. Use a voltage divider (two resistors) to step it down to 3.3V, or use a logic level converter to avoid frying your Pi. Step 2: Write the Python Script Here’s a simple, production-ready script:
Enter the . Powered by a $35 Raspberry Pi, this DIY project detects vehicle presence in real-time and can alert you via LED, LCD, or even a smartphone notification. smart pss raspberry pi
Tired of playing the "is there a spot?" guessing game every time you pull into your driveway or garage? What if your car could tell you—before you even turn the corner—exactly which spot is free? ⚠️ The HC-SR04 ECHO pin outputs 5V