Education Project

Step motor and relay control with universal controller designer (HMI)

Sequence control of step motor and relay for automation

Step motor control by pulse variation
Relay control by digital signal
Digital input for start, stop, and sensing
Universal controller designer (HMI) by XCONTECH

Step motor control with gauge (sequence control)

Sequence control with education module and universal control module

Education module using Raspberry Pi with sensor and relay

Steering wheel angle control with variable resistor (open-loop and closed-loop)

Ackerman steering system by front and rear wheel angles (variable resistor)

Embedded control system with dial gauge, led, and relay

youtube.com/shorts/suYGeFvvvQE?feature=share

Sequence control with variable resistor, step motor, and LED

Step motor angle control with sequence controller for Smart Automation

- Digital input(VR) / output

- LED on/off control / step motor angle control

Sequence controller with iteration algorithm for Smart Automation

- Digital input(VR) / output

- LED on/off control with iteration algorithm

Sequence Controller for Smart Automation

- Digital input

- Digital output

- Step motor control

- LED control

Step motor control with variable resistor and button

Modular controller for smart farm control with various control modes

Sensor and actuator test based on ROS

HMI-based embedded system for SMART FARM control with monitoring

HMI-based smartfarm control system

Human-machine interface (HMI)
Graph-based monitoring
Temperature sensor
Humidity sensor

HMI-based linear Kalman filtering with variable resistor (VR)

Serial communication between IC ( ATtniy85 ) and arduino

IC-based step motor speed control with variable resistor

IC-based OLED and LED control

ATTINY85 IC-based OLED and LED control - 2ATTINY85 IC-based OLED and LED control - 2

IC-based DC motor speed and led control(open loop) with variable resistor

IC-based selective control for relay and led on/off control with variable resistor

IC-based control for relay and led on/off control

Education Module for IC Programming

Education Module for Load Checking (Loadcell, led, buzzer)

Education Module for Embedded System Control (LCD, sensor, buzzer, led)

#include <HX711.h>

#include <Wire.h>

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

#define calibration_factor -425.0

double zero = 1.9 ;

double alpha = 0.3 ;

double mass_pre = 0 ;

#define DOUT 9

#define CLK 8

HX711 scale(DOUT, CLK);

int buzzer = 5 ;

int led_red = 4 ;

int led_yellow = 3 ;

int led_green = 2 ;

int mass_th_1 = 100 ;

int mass_th_2 = 200 ;

void setup() {

Serial.begin(115200);

scale.set_scale(calibration_factor);

scale.tare();

lcd.init();

lcd.backlight();

lcd.setCursor(0, 0);

lcd.print("XEM-001B / Test!");

lcd.setCursor(0, 1);

lcd.print("Load data=");

pinMode(led_red, OUTPUT);

pinMode(led_yellow, OUTPUT);

pinMode(led_green, OUTPUT);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, LOW);

digitalWrite(led_green, LOW);

analogWrite(buzzer, 0);

}

void loop() {

double mass_cur = scale.get_units() - zero ;

double mass = (1 - alpha) * mass_pre + alpha * mass_cur ;

mass_pre = mass ;

String strMass = String(mass);

lcd.setCursor(10, 1);

lcd.print(strMass);

lcd.setCursor(15, 1);

lcd.print("g");

if (mass < 10) {

lcd.setCursor(14, 1);

lcd.print(" g");

}

if (mass < mass_th_1) {

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, LOW);

digitalWrite(led_green, HIGH);

analogWrite(buzzer, 0);

lcd.setCursor(0, 0);

lcd.print("XEM-001B / Green");

}

if (mass >= mass_th_1 && mass < mass_th_2) {

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, HIGH);

digitalWrite(led_green, LOW);

analogWrite(buzzer, 0);

lcd.setCursor(0, 0);

lcd.print("XEM-001B /Yellow");

}

if (mass >= mass_th_2) {

digitalWrite(led_red, HIGH);

digitalWrite(led_yellow, LOW);

digitalWrite(led_green, LOW);

analogWrite(buzzer, 5);

lcd.setCursor(0, 0);

lcd.print("XEM-001B / Red ");

}

#include <LiquidCrystal_I2C.h>

#include <Wire.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

int buzzer = 5 ;

int led_red = 4 ;

int led_yellow = 3 ;

int led_green = 2 ;

int ill_sensor = A2 ;

int th_upper = 800 ;

int th_lower = 700 ;

void setup() {

Serial.begin(9600) ;

Serial.print("LCD test with sensor and led~!") ;

pinMode(buzzer, OUTPUT);

pinMode(led_red, OUTPUT);

pinMode(led_yellow, OUTPUT);

pinMode(led_green, OUTPUT);

pinMode(ill_sensor, INPUT);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, LOW);

digitalWrite(led_green, LOW);

analogWrite(buzzer, 0);

lcd.init();

lcd.backlight();

lcd.setCursor(0, 0);

lcd.print("XEM-001B");

lcd.setCursor(9, 1);

lcd.print("CDS:");

}

void loop() {

int value = analogRead(ill_sensor);

lcd.setCursor(13, 1);

lcd.print(value);

if (value >= th_upper) {

lcd.setCursor(9, 0);

lcd.print("RED ");

lcd.setCursor(0, 1);

lcd.print("BUZZ-OFF");

analogWrite(buzzer, 0);

digitalWrite(led_red, HIGH);

digitalWrite(led_yellow, LOW);

digitalWrite(led_green, LOW);

} else if (value >= th_lower & value < th_upper) {

lcd.setCursor(9, 0);

lcd.print("YELLOW ");

lcd.setCursor(0, 1);

lcd.print("BUZZ-OFF");

analogWrite(buzzer, 0);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, HIGH);

digitalWrite(led_green, LOW);

} else if (value < th_lower) {

lcd.setCursor(9, 0);

lcd.print("GREEN ");

lcd.setCursor(0, 1);

lcd.print("BUZZ-ON ");

analogWrite(buzzer, 10);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, LOW);

digitalWrite(led_green, HIGH);

}

Education Module for Embedded System Control (sensor, buzzer, led)

int led_red = 12 ;

int led_yellow = 13 ;

int time_delay = 500 ;

void setup() {

Serial.begin(9600) ;

Serial.print("LED blinking test~!") ;

pinMode(led_red, OUTPUT);

pinMode(led_yellow, OUTPUT);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, LOW);

}

void loop() {

digitalWrite(led_red, HIGH);

delay(time_delay);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, HIGH);

delay(time_delay);

digitalWrite(led_yellow, LOW);

}

int led_red = 12 ;

int led_yellow = 13 ;

int buzzer = 3 ;

int val_buz = 5 ;

int time_delay = 100 ;

int value = 0 ;

int sensor_port = A0 ;

int value_th = 250 ;

void setup() {

Serial.begin(9600) ;

Serial.print("LED blinking test~!") ;

pinMode(led_red, OUTPUT);

pinMode(led_yellow, OUTPUT);

pinMode(sensor_port, INPUT);

pinMode(buzzer, OUTPUT);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, LOW);

}

void loop() {

for (int i = 0; i <= 5; i++) {

digitalWrite(led_red, HIGH);

delay(time_delay);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, HIGH);

delay(time_delay);

digitalWrite(led_yellow, LOW);

}

while (1) {

value = analogRead(sensor_port) ;

Serial.print("Sensor value = ") ;

Serial.println(value) ;

if (value < value_th) {

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, HIGH);

} else {

digitalWrite(led_yellow, LOW);

digitalWrite(led_red, HIGH);

}

int led_red = 12 ;

int led_yellow = 13 ;

int buzzer = 3 ;

int val_buz = 5 ;

int time_delay = 100 ;

int value = 0 ;

int sensor_port = A0 ;

int value_th = 250 ;

void setup() {

Serial.begin(9600) ;

Serial.print("LED blinking test~!") ;

pinMode(led_red, OUTPUT);

pinMode(led_yellow, OUTPUT);

pinMode(sensor_port, INPUT);

pinMode(buzzer, OUTPUT);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, LOW);

}

void loop() {

for (int i = 0; i <= 5; i++) {

digitalWrite(led_red, HIGH);

delay(time_delay);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, HIGH);

delay(time_delay);

digitalWrite(led_yellow, LOW);

}

while (1) {

value = analogRead(sensor_port) ;

Serial.print("Sensor value = ") ;

Serial.println(value) ;

if (value < value_th) {

digitalWrite(led_red, LOW);

analogWrite(buzzer, 0);

digitalWrite(led_yellow, HIGH);

} else {

digitalWrite(led_yellow, LOW);

analogWrite(buzzer, val_buz);

digitalWrite(led_red, HIGH);

}

Education Module for Embedded System Control (sensor, relay, led)

int led_red = 4 ;

int led_yellow = 3 ;

int led_green = 2 ;

int time_delay = 100 ;

void setup() {

Serial.begin(9600) ;

Serial.print("LED blinking test~!") ;

pinMode(led_red, OUTPUT);

pinMode(led_yellow, OUTPUT);

pinMode(led_green, OUTPUT);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, LOW);

digitalWrite(led_green, LOW);

}

void loop() {

digitalWrite(led_red, HIGH);

delay(time_delay);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, HIGH);

delay(time_delay);

digitalWrite(led_yellow, LOW);

digitalWrite(led_green, HIGH);

delay(time_delay);

digitalWrite(led_green, LOW);

}

int led_red = 4 ;

int led_yellow = 3 ;

int led_green = 2 ;

int relay_port = 7 ;

int time_delay_led = 100 ;

int time_delay_relay_on = 1000 ;

int time_delay_relay_off = 1500 ;

void setup() {

Serial.begin(9600) ;

Serial.print("Relay on/off test~!") ;

pinMode(led_red, OUTPUT);

pinMode(led_yellow, OUTPUT);

pinMode(led_green, OUTPUT);

pinMode(relay_port, OUTPUT);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, LOW);

digitalWrite(led_green, LOW);

digitalWrite(relay_port, LOW);

}

void loop() {

for (int h = 0; h <= 2; h++) {

for (int i = 4; i >= 2; i--) {

digitalWrite(i, HIGH);

delay(time_delay_led);

digitalWrite(i, LOW);

}

while (1) {

digitalWrite(relay_port, HIGH);

digitalWrite(led_green, HIGH);

delay(time_delay_relay_on);

digitalWrite(led_green, LOW);

digitalWrite(relay_port, LOW);

digitalWrite(led_red, HIGH);

delay(time_delay_relay_off);

digitalWrite(led_red, LOW);

}

int led_red = 4 ;

int led_yellow = 3 ;

int led_green = 2 ;

int relay_port = 7 ;

int time_delay_led = 100 ;

int time_delay_relay_on = 1000 ;

int time_delay_relay_off = 1500 ;

int value = 0 ;

int sensor_port = A0 ;

int value_th = 600 ;

void setup() {

Serial.begin(9600) ;

Serial.print("Relay on/off test~!") ;

pinMode(led_red, OUTPUT);

pinMode(led_yellow, OUTPUT);

pinMode(led_green, OUTPUT);

pinMode(relay_port, OUTPUT);

pinMode(sensor_port, INPUT);

digitalWrite(led_red, LOW);

digitalWrite(led_yellow, LOW);

digitalWrite(led_green, LOW);

digitalWrite(relay_port, LOW);

}

void loop() {

for (int h = 0; h <= 2; h++) {

for (int i = 4; i >= 2; i--) {

digitalWrite(i, HIGH);

delay(time_delay_led);

digitalWrite(i, LOW);

}

while (1) {

value = analogRead(sensor_port) ;

Serial.print("Sensor value = ") ;

Serial.println(value) ;

if (value < value_th) {

digitalWrite(led_red, LOW);

digitalWrite(relay_port, HIGH);

digitalWrite(led_green, HIGH);

} else {

digitalWrite(led_green, LOW);

digitalWrite(relay_port, LOW);

digitalWrite(led_red, HIGH);

}

Education Module for Embedded System Control

Education module test-1Education module test-1

Mechanical Engineering

CNC Milling Machine

Aluminium profile engineering
Milling process with CNC

Mechatronics

C-language based Industrial controller for step motor, DC motor, servo motor

Controller-1

Main computer
Input
Output
Motion controller for motor control

Motor control drive

Left: step motor
Right: servo motor

X-Y stage

Two step motors
For position control on X-Y plane

Controller-2

Main control unit
Integrated module

1) Basic

2) PLC

Software Engineering

MATLAB / Simulink

Data analysis
Image processing
Artificial intelligence
Simulation techniques (control)
Dynamic modeling and analysis
Real-time application

Arduino with C-language

Obtain sensor information and analysis

- Temperature, motion detector, distance sensor, etc.

Digital control

- DC Motor, servo motor, step motor, light, etc

Internet of Things (IoT)

- Bluetooth / internet communication

Arduino LED - button control

Digital input signal by push button

- LED on/off control

Materials : Arduino, breadboard, LED, push button, electric wire, code

Code for LED-button control

void setup() {

Serial.begin(9600) ;

pinMode(2,INPUT);

pinMode(6,OUTPUT);

}

void loop() {

int value = digitalRead(2);

Serial.println(value) ;

if (value == HIGH){

digitalWrite(6,HIGH);

}

else {

digitalWrite(6,LOW);

}

Arduino CAN communication - LED - button control-1

Digital input signal by push button and CAN communication-based LED control

- LED on/off control

Materials : Arduino, CAN module(MCP 2515), breadboard, LED, push button, electric wire, code

Arduino CAN communication - LED - button control-2

Digital input signal by push button and CAN communication-based LED control

- LED on/off control

Materials : Arduino, CAN module(MCP 2515), breadboard, LED, push button, electric wire, code

Button test with CAN messageButton test with CAN message

Arduino counting system - segment control

Counting algorithm with open loop algorithm

- using segment

Materials : Arduino nano, segment, data cable and wires

Embedded system with counting algorithm (using Arduino nano)Embedded system with counting algorithm (using Arduino nano)

Arduino - RS485 communication test

- Single point lidar

- Variable resistor

RS485 communication testRS485 communication test