RDIoT Demo

SG90 Camera Mount [B051]

https://www.youtube.com/watch?v=gk7Mg69mgq4

* GitHub : https://github.com/rdiot/rdiot-b051.git

* Specs

Weight : 0.050kg (0.11lb.)

Size : 13cm x 9cm x 8cm (5.12in x 3.54in x 3.15in)

* Contents

- Connect

Top ----- D12

Bottom ----- D11

- Key Code

#include <Wire.h> 

#include <LiquidCrystal_I2C.h>

#include <Servo.h> 

LiquidCrystal_I2C lcd(0x27,20,4);

Servo myservo1;

Servo myservo2;

int servoPin_updown = 12;

int servoPin_leftright = 11;

int pos_updown = 0;

int pos_leftright = 0;

void setup()

{

  lcd.init();  // initialize the lcd 

  lcd.backlight();

  lcd.print("start LCD2004");

  myservo1.attach(servoPin_updown); 

  myservo2.attach(servoPin_leftright); 

  delay(1000);

  lcd.clear();

}

void loop()

{

  lcd.setCursor(0,0);

  lcd.print("B051:SG90 Mount");

  for(pos_leftright = 0; pos_leftright < 180; pos_leftright += 1) 

  { 

    myservo2.write(pos_leftright);

    //lcd.setCursor(0,1);

    //lcd.print("pos0~179=" + (String)pos + "  " );

    delay(10); 

  }

  for(pos_leftright = 180; pos_leftright>=0; pos_leftright-=1)

  { 

    myservo2.write(pos_leftright); 

    //lcd.setCursor(0,2);

    //lcd.print("pos180~1=" + (String)pos + "  " );

    delay(10); 

  } 

  for(pos_updown = 80; pos_updown < 180; pos_updown += 1) 

  { 

    myservo1.write(pos_updown);

    //lcd.setCursor(0,1);

    //lcd.print("pos0~179=" + (String)pos + "  " );

    delay(10); 

  }

  for(pos_updown = 180; pos_updown>=80; pos_updown-=1)

  { 

    myservo1.write(pos_updown); 

    //lcd.setCursor(0,2);

    //lcd.print("pos180~1=" + (String)pos + "  " );

    delay(10); 

  } 

}

Tower Pro SG90 Micro Servo (SG90) [D018]

https://www.youtube.com/watch?v=qdUgJtBClZ4

* GitHub : https://github.com/rdiot/rdiot-d018.git

* Specs

Speed: 0.12 second / 60 degrees rotation

Torque: 1.2-1.4kg @ 4.8V~6V power

Comes with full ranged connectivity accessories and mounting screws

Working temperature: -30 to +60 degrees Celsius

Dead band setting: 7 microseconds

- Connect

Brown - GND

Red - 5V

Orange - D12

- Key Code

#include <Wire.h> 

#include <LiquidCrystal_I2C.h>

#include <Servo.h> 

LiquidCrystal_I2C lcd(0x27,20,4);  // LCD2004

Servo myservo; 

int servoPin = 12;

int pos = 0; 

void setup()

{

  lcd.init();  // initialize the lcd 

  lcd.backlight();

  lcd.print("start LCD2004");

  myservo.attach(servoPin); 

  delay(1000);

  lcd.clear();

}

void loop()

{

  lcd.setCursor(0,0);

  lcd.print("D018:SG90 Servo");

  for(pos = 0; pos < 180; pos += 1) 

  { 

    myservo.write(pos);

    lcd.setCursor(0,1);

    lcd.print("pos0~179=" + (String)pos + "  " );

    delay(0); // Control Speed by delay time.

  }

  for(pos = 180; pos>=1; pos-=1)

  { 

    myservo.write(pos); 

    lcd.setCursor(0,2);

    lcd.print("pos180~1=" + (String)pos + "  " );

    delay(0); 

  } 

}

Helicopter Coreless DC Motor [S143]

https://www.youtube.com/watch?v=Rl3i2DRYErg

* GitHub : https://github.com/rdiot/rdiot-s143.git

* Specs

Voltage: DC 3.7-4.2V

Current: 0.1A

Speed: DC3.7V------39000 RPM; D4.2V-----45000RPM

Motor diameter: 7MM

Motor length: 16MM

Output shaft diameter: 0.8MM

Output shaft length: 4.5MM

Weight: 2g

Propeller length: 45MM

Propeller: Red or Black

* Contents

- Key Code

void setup() {

  pinMode(A0,OUTPUT);

  pinMode(A1,OUTPUT);

}

void loop() {

  digitalWrite(A0,HIGH);

  digitalWrite(A1,LOW);

  delay(1000);

  digitalWrite(A0,LOW);

  digitalWrite(A1,HIGH);

  delay(1000);

  digitalWrite(A0,LOW);

  digitalWrite(A1,LOW);

  delay(2000);

}