RDIoT Demo

650nm Laser Diode Module (KY-008) [D004]

https://www.youtube.com/watch?v=7h7lJ4rDAcQ

* GitHub : https://github.com/rdiot/rdiot-d004.git

* Specs

High Quality 650nm Laser sensor Module 6mm 5V 5mW Red Laser Dot Diode Copper Head KY-008

Product Details:

Laser sensor Module

Condition: New

Operating voltage 5V

Output wavelength 650 nm

3 pins module

With fixed bolt hole for easy installation

Color: show as pictures

PLS NOTE that due to lighting effects, monitor's brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item!

* Contents

- Key Code

#include "U8glib.h"

U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NONE);

int laserPin = 10;

int btnPin = 2;

void setup() {

  // put your setup code here, to run once:

   pinMode (laserPin, OUTPUT); // laser

   pinMode (btnPin, INPUT); // button

}

void loop(void) {

  // picture loop

  u8g.firstPage();  

  do {

    draw();

  } while( u8g.nextPage() );

  // rebuild the picture after some delay

  delay(500);

}

void draw(void) {

  u8g.setFont(u8g_font_9x15B);

  u8g.setPrintPos(0, 12); 

  u8g.println("Laser Emit");

  u8g.setFont(u8g_font_fub17);

  u8g.setPrintPos(0,40);

  int btn = digitalRead(btnPin);

  u8g.print("btn="+(String)btn);

  if(btn == 1)

  {

    digitalWrite (laserPin, HIGH);

  }

  else

  {

    digitalWrite (laserPin, LOW);

  }

/*

   digitalWrite (laserPin, HIGH); // Turn Laser On

   delay (1000); // On For Half a Second

   digitalWrite (laserPin, LOW); // Turn Laser Off

   delay (500); // Off for half a second

*/

}

9376 Motor Miniatura (9376) [D019]

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

* GitHub : https://github.com/rdiot/rdiot-d019.git

* Specs

* Contents

- Connect

Red ----- D7

Black ----- GND

Buttton Module

S ----- D2

middle ----- 5V

- ----- GND

- Key Code

#include <Wire.h> 

#include <LiquidCrystal_I2C.h>

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

int R = 2;

byte lastButton = HIGH;

byte nowButton = HIGH;

int servo = 7;

void setup()

{

  lcd.init();  // initialize the lcd 

  lcd.backlight();

  lcd.print("start LCD2004");

  pinMode(R, INPUT);

  pinMode(servo, OUTPUT);

  digitalWrite(R, HIGH);

  digitalWrite(servo, LOW);

  delay(1000);

  lcd.clear();

}

void loop()

{

  lcd.setCursor(0,0);

  lcd.print("D019:9376 Motor");

  byte nowButton = digitalRead(R);

  lcd.setCursor(0,1);

  lcd.print("value="+(String)nowButton);

  if (HIGH == lastButton)

  {

    if (LOW == nowButton)

    {

     lcd.setCursor(0,2);

     lcd.print("running motor  ");

     digitalWrite(servo, HIGH);

    }

  }

  else

  {

    if (HIGH == nowButton)

    {

     lcd.setCursor(0,2);

     lcd.print("stopped motor  ");

    digitalWrite(servo, LOW);

    }

  }

 lastButton = digitalRead(R);

 delay(100);

}

433Mhz Super-regenerative module (FS1000A,MX-JS-05V) [S081]

https://www.youtube.com/watch?v=_h1i9cnf-ic

* Specs

Emission head (2SC3357 transistor):

The actual working distance 50-100m

Operating voltage 3-12V

Operating current :10-15mA

Ways of working: AM

Transfer rate: 4KB / S

Transmit power: 10mW

External antenna: 28cm ordinary multi-core or single core line

Pinout from left ? right: (DATA, VCC, GND)

Size: 1.9CM * 1.9CM * 0.9CM

Receiver Module Technical Data:

Model: MX-05V

Working voltage: DC5V

Quiescent Current: 4MA

Receiving frequency: 433.92MHZ

Receiver sensitivity:-105DB

Size: 30 * 14 * 7mm

External antenna: 32CM single wire, wound into a spiral

* Contents

- Connect

Emission 

ATA0 ----- D4

VCC ----- 5V

GND ----- GND

Receiver

VCC ----- 5V

DATA ----- D2 (data)

X

GD ----- GND

LED ----- D2

- Data Format Define

 : 1=1, 1=2

- Key Code

FS1000A

#include <Wire.h> 

#include <VirtualWire.h>       

#include <Bounce2.h>           

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2); 

int buttonPin = 2;  

int sendPin = 4;   

boolean oneTimeFlag = false;        

Bounce bouncer = Bounce();    

void setup() {

  lcd.init();                      // initialize the lcd 

  lcd.backlight();

  lcd.print("S081-FS1000A Snd");

   pinMode(buttonPin, INPUT);

   digitalWrite(buttonPin, HIGH);

   bouncer.attach( buttonPin );

   bouncer.interval(5);

   vw_setup(2000);        

   vw_set_tx_pin(sendPin);

   Serial.begin(9600);

}

void loop() {

 if ( bouncer.update() && bouncer.read() == LOW) {     

    if( oneTimeFlag == false) {                        

      lcd.setCursor(0, 1);

      lcd.print("ON = Send(1) ");

      Serial.println("on");

      sendMessage("1=1");  

      oneTimeFlag = true;

    } else {

      lcd.setCursor(0, 1);

      lcd.print("OFF = Send(2)");

      Serial.println("off");                 

      sendMessage("1=2");    

     oneTimeFlag = false;

     }         

  }

}

void sendMessage(char *data) {

  if (strlen(data) > 0) {     

   int msgSize = (strlen(data) + 1); 

   char packetData[msgSize];         

   vw_send((uint8_t *)data, msgSize);  

   vw_wait_tx();                       

  }  

}

MX-JS-05V

#include <Wire.h> 

#include <LiquidCrystal_I2C.h>

#include <VirtualWire.h>

#include <string.h>

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

byte message[VW_MAX_MESSAGE_LEN];                    

byte messageLength = VW_MAX_MESSAGE_LEN; 

int rcvPin = 2; 

int ledPin = 8; // LED

void setup()

{

  lcd.init();  // initialize the lcd 

  lcd.backlight();

  lcd.print("start LCD2004");

  delay(1000);

  lcd.clear();

  pinMode(ledPin, OUTPUT);

  digitalWrite(ledPin, HIGH);

  delay(1000);

  digitalWrite(ledPin, LOW);

  vw_setup(2000);

  vw_set_rx_pin(rcvPin);       

  vw_rx_start();               

}

void loop()

{

  lcd.setCursor(0,0);

  lcd.print("S081:MX-JS-05V Rev");

  if (vw_get_message(message, &messageLength)) {       

    int command = processResponse((char*)message, 1); 

    if (command) {

      switch (command) {

       case 1:                        

         lcd.setCursor(0,2);

         lcd.print("Receive Value= 1 ");

         digitalWrite(ledPin, HIGH);

         break;

       case 2:                         

         lcd.setCursor(0,2);

         lcd.print("Receive Value= 2 ");

         digitalWrite(ledPin, LOW);

         break;

      }

    }  

  }

}

int processResponse(char* message, int pinCode) {

  char *p = message;

  char *buf;

  int o = 0;

  int pin;

  int command;

      lcd.setCursor(0,1);

      lcd.print("RF msg:"+String(message));

  while ((buf = strtok_r(p, "=", &p)) != NULL)  {  

   if (o == 0) {                                 

     pin = atoi(buf);                            

   } else {

     command = atoi(buf);                        

   }

    o++;

  }

  if (pinCode == pin && command > 0) {                   

    return command;

  } else {

    return 0; 

  }

}