Arduino (any compatible board), HC-SR04 Ultrasonic Sensor, Jumper Wires, Breadboard (optional), #Circuit Diagram: Trig Pin of HC-SR04 → Arduino Pin 9, Echo Pin of HC-SR04 → Arduino Pin 10, VCC of ...

The wiring diagram includes extra level shifters because the HC-SR04's echo pin produces a 5V pulse while the Pico's GPIOs can only receive 3.3V. The code also considers temperature effects on speed ...

1 Arduino Ultrasonic Sensor (HC-SR04) 1 buzzer; Ultrasonic sensor, mounting circuit; It is a very simple circuit. On the one hand, we will have all the alerts, acoustic and visual, and on the other ...

In this DIY project we use Arduino and Ultrasonic Sensor to build Obstacle Avoider Robot. ... We have a collection of almost 500+ Arduino projects with Code, Circuit Diagram, ... To learn more about ...

Ultrasonic sensor. Arduino pro mini. Buzzer. Haptic motor. Lithium ion battery. Switch. 3d printed enclosure. So, let’s check out the step by step procedure to make Saarthi. Circuit Diagram - Blind ...