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Arduino DIY Motion Control Linear slide with Speed control

ใน ธันวาคม 17, 2560

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Arduino Counter with LCD display and Push button Tutorial

Schematic diagram

Arduino Sketch
//YWROBOT
//Compatible with the Arduino IDE 1.0
//Library version:1.1
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x3F,16,2); // set the LCD address to 0x27 for a 16 chars and 2 line display

// this constant won't change:
const int Up_buttonPin = 2; // the pin that the pushbutton is attached to
const int Down_buttonPin = 3;

// Variables will change:
int buttonPushCounter = 0; // counter for the number of button presses
int up_buttonState = 0; // current state of the up button
int up_lastButtonState = 0; // previous state of the up button

int down_buttonState = 0; // current state of the up button
int down_lastButtonState = 0; // previous state of the up button
bool bPress = false;

void setup()
{
Serial.begin(9600);
pinMode( Up_buttonPin , INPUT_PULLUP);
pinMode( Down_buttonPin , INPUT_PULLUP);

lcd.init(); // initialize the lcd

// Print a message…

Control Stepper Motor with Limit Switches - Arduino Programming

Sketch

// defines pins numbers
const int stepPin = 5;
const int dirPin = 2;
const int enPin = 8;
const int homeSwitchPin = 7;

void setup() {

Serial.begin(9600);

// Sets the two pins as Outputs
pinMode(stepPin,OUTPUT);
pinMode(dirPin,OUTPUT);
pinMode(homeSwitchPin , INPUT);
pinMode(enPin,OUTPUT);
digitalWrite(enPin,LOW);

// Set Dir to Home switch
digitalWrite(dirPin,LOW); // Enables the motor to move in a particular direction

}
void loop() {

int homeSw = digitalRead( homeSwitchPin);

if( homeSw == HIGH && (digitalRead(dirPin) == LOW) ){

motorStep(1);

}
else if( homeSw == LOW && (digitalRead(dirPin) == LOW) ){
digitalWrite(dirPin,HIGH);
delay(2000);
}

if( (digitalRead(dirPin) == HIGH) ){

motorStep(2000);
digitalWrite(dirPin,LOW);

delay(2000);
}

}
void motorStep( int MAX){

for(int x = 0; x < MAX; x++) {
digitalWrite(stepPin,HIGH);
delayMicroseconds(500)…

Control Servo Motor with Push button - Arduino Tutorial

// Sketch

#include <Servo.h> // add servo library
#define sw1_pin 5
#define sw2_pin 6
Servo myservo; // create servo object to control a servo

volatile boolean sw1 = false;
volatile boolean sw2 = false;

uint8_t sw1ButtonState = 0;
uint8_t sw2ButtonState = 0;

uint8_t lastsw1ButtonState = 0;
uint8_t lastsw2ButtonState = 0;

void setup() {
Serial.begin(9600);
pinMode(sw1_pin, INPUT_PULLUP);
pinMode(sw2_pin, INPUT_PULLUP);
myservo.attach(9); // attaches the servo on pin 9 to the servo object
}

void loop() {

checkIfSw1ButtonIsPressed();
checkIfSw2ButtonIsPressed();

if( sw1){
Serial.println("sw1");
sw1 = false;
myservo.write(20);
delay(15);
}
else if( sw2){
Serial.println("sw2");
sw2 = false;
myservo.write(170);
delay(15);
}

// waits for the servo to get there
}

void checkIfSw1ButtonIsPressed()
{
sw1ButtonState = digitalRead(sw1_pin);

…

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