An ultrasonic sensors measure distances based on transmitting and receiving ultrasonic signals. This video shows how to use stm32 microcontroller to read info from hc sr04 ultrasonic sensor. Arduino ultrasonic sensor led project hcsr04 youtube. You will learn how to interface ultrasonic sensor hcsr04 with arduino. This video explains the detailed working of an ultrasonic sensor, hcsr04. Hcsr04 datasheet, hcsr04 pdf, hcsr04 data sheet, hcsr04 manual, hcsr04. Hc sr04 transmit highfrequency sound and when an object detects then reflect the signal to echo. Hc sr04 is an ultrasonic ranging module that provides 2 cm to 400 cm noncontact measurement function. The waves are tranismittd and received by the module and calculate the next obstacle for transmission over wifi, esp826601 is. Using the hcsr04 ultrasonic distance sensor with arduino everything you need to know. The modules includes ultrasonic transmitters, receiver and control circuit.
Ultrasonic sensor hcsr04 tutorial with lcd i2c youtube. Ultrasonic sensor hcsr04 with arduino tutorial hackster. Ultrasonic ranging module hc sr04 provides 2cm 400cm noncontact measurement function, the ranging accuracy can reach to 3mm. Buy multicomp 5v classic ultrasonic distance sensor, rear header. Stm32f4discovery and 2 hcsr04 ultrasonic sensors youtube. To check the water level, ultrasonic hc sr04 is the distance sensor. I would like to make a simple distancerange finding program using labview, the arduino and the very popular hcsr04 ultrasonic sensor. The ranging accuracy can reach to 3mm and effectual angle is hc sr04 pdf datasheet. It can be an ultrasonic range sensor or any purposes.