ARDUINO SERIAL COMMUNICATION
TUTORIAL
ULTRASONIC RANGE FINDER USING ARDUINO
Ultrasonic distance measurement using HC-SR04 sensor The project using to measure distance from the HC-SR04 Ultrasonic sensor PARTS NEEDED Arduino uno LCD 16x2 HC-SR04 Ultrasonic sensor Bread board jumper wires and a computer only for programming CONNECTING OF LCD TO THE ARDUINO * LCD RS pin to digital pin 12 * LCD Enable pin to digital pin 11 * LCD D4 pin to digital pin 5 * LCD D5 pin to digital pin 4 * LCD D6 pin to digital pin 3 * LCD D7 pin to digital pin 2 * LCD R/W pin to ground * ends to +5V and ground(A,K) for the lcd backlight * wiper to LCD VO pin (pin 3) or connect the lcd 3rd pin to ground through 1K resistor CONNECTING OF HC-SR04 TO ARDUINO *VCC to +5v *GND to ground *trigpin to digital pin 9 *echopin to digial pin 10 THE PROGRAM CODE /...
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