![]() The modules includes ultrasonic transmitters, receiver and control circuit. Arduino hcsr04 sensor arduino hcsr04 ultrasonic sensor and processing example by hisham marzouk download arduino code and processing code. It essentially gives your arduino eyes spacial awareness and can prevent your robot from crashing or falling off a table. Arduino obstacle avoidance robot with ultrasonic hc sr04. Hcsr04 distance sensor service arduino project hub. It works by sending sound waves from the transmitter, which then bounce off of an object and then return to the receiver. A basic introduction to the low cost and accurate hc sr04. Download our files and build them with your lasercutter, 3d printer, or cnc. Mar, 2017 the hc sr04 ultrasonic sensor is a very affordable proximitydistance sensor that has been used mainly for object avoidance in various robotics projects. Hcsr04 ultrasonic sensor arduino tutorial 5 examples.
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