Parking sensor
Measure distance with an HC-SR04 ultrasonic sensor; the beeps speed up as an obstacle gets closer and green, yellow and red LEDs light up.
Medium45 minutespulseIn()distance from the speed of soundtone()non-blocking timing with millis()
Parts
- ☐ Arduino Uno
- ☐ HC-SR04 ultrasonic sensor
- ☐ Passive buzzer
- ☐ Green, yellow and red LEDs with 3 × 220 Ω
- ☐ Breadboard and jumper wires
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This project · FİYAT SORAll projects · FİYAT SOR
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