5 August, 2014
HC-SR04 Sensor
The HC-SR04 sensor has become very popular among users of Arduino, because its easy implementation, is one of the most used modules in robotics. The HC-SR04 sensor is an ultrasonic sensor that detects obstacles in front of him, from a minimum distance of 2cm to 4m, operating at a frequency of 40Khz, has a measuring angle of about 15 degrees. It has an entry called […]