ARTech

http://ahamod-artech.blogspot.com/2018/08/pulse-width-modulation-based-on-analog.html

Pulse Width Modulation Based on Analog Input using PIC18F2550 Hello people in this project I will discuss an interesting topic. The main focus will be on PWM (Pulse Width Modulation), though I hav...

Introductory seminar on Arduino and Embedded System at St. Gregory's High School and College.

Obstacle Avoiding Robot Car Code: #include /* The circuit: * VCC connection of the sensor attached to +5V * GND connection of the sensor attached to ground * TRIG connection of the sensor attached to digital pin 2 * ECHO connection of the sensor attached to digital pin 4 */ int DistanceIn; int DistanceCm; int FrontDistance; int LeftDistance; int RightDistance; #define LM1 11 // Left Motor #define LM2 10 // Left Motor #define RM1 9 // Right Motor #define RM2 6 // Right Motor #define leftled 12 // Left Led #define rightled 13 // Right led /*-----( Declare Constants and Pin Numbers )-----*/ #define TRIGGER_PIN 2 #define ECHO_PIN 4 #define MAX_DISTANCE 20 // Maximum distance we want to ping for (in centimeters). //Maximum sensor distance is rated at 400-500cm. /*-----( Declare objects )-----*/ NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE); // NewPing setup of pins and maximum distance. /*-----( Declare Variables )-----*/ void setup() /****** SETUP: RUNS ONCE ******/ { Serial.begin(9600); Serial.println("Obstacle Avoiding Robot"); Serial.println("Developed By Ahamod Ibne Abdur Rouf"); pinMode(LM1, OUTPUT); pinMode(LM2, OUTPUT); pinMode(RM1, OUTPUT); pinMode(RM2, OUTPUT); pinMode(leftled, OUTPUT); pinMode(rightled, OUTPUT); }//--(end setup )--- void loop() /****** LOOP: RUNS CONSTANTLY ******/ { delay(100); // Wait 100ms between pings (about 10 pings/sec). 29ms should be the shortest delay between pings. DistanceCm = sonar.ping_cm(); Serial.print("Ping: "); Serial.print(DistanceCm); Serial.println(" cm"); FrontDistance = DistanceCm; if ( (FrontDistance