Introduction: Detecting Obstacles and Warning - Arduino UNO and Ultrasonic Part 2
This is tutorial to help you understand ultrasonic and buzzer and go deeper into learning Arduino, follow these steps and give me feedback
Step 1: THINGS USED IN THIS PROJECT
1. Test Board
2. Ultrasonic sensor
3. +5V buzzer
4. Male to male pins
5. 6 LED
6.Arduino uno board Tools and materials are shown in the picture
Step 2: Connect Your Circuit
trigPin (ultrasonic) to pin 7
echoPin (ultrasonic) to pin 6
+led1 (green) to pin 13
+led2 (green) to pin 12
+led3 (yellow) to pin 11
+led4 (yellow) to pin 10
+led5 (red) to pin 9
+led6 (red) to pin 8
+buzzer to pin 3