Category:

37 Sensor Kit

KY-032 Obstacle avoidance sensor module arduino example

by shedboy71 5th July 2019

written by shedboy71

The KY-032 Obstacle avoidance sensor module returns a signal when it detects an object in range. The range of the sensor is around 2-40 cm is distance. The Obstacle Avoidance Sensors usually come in two types – with 3 and 4 pins. The 3 pin version does not have the ability to be enabled/disabled. The 4 pin version has optional Enable pin. Infrared obstacle avoidance sensor is designed to detect obstacles or the difference in reflective services.

ky032

One application is to help a wheeled robot avoid obstacles with a sensor to react to adjustable distance settings. This device has an infrared transmitter and receiver, that forms the sensor pair. The transmitter LED emits a certain frequency of infrared, which the receiver LED will detect. The receiving LED will detect some of the signal back and will trigger the digital on/off “signal” pin when a specific threshold “distance” has been detected. Most boards will have 2 potentiometers, one of which is to adjust how sensitive the sensor is.

You can use it to adjust the distance from the object at which the sensor detects it. Typically, the other potentiometer, which changes the transmitter IR frequency is not adjusted.

The module detects an obstacle [LED on the module: ON] [Sensor Signal= Digital Off]

This sensor allows you to activate and deactivate the obstacle detection by manipulating the enable pin (EN). It is activated by default which means that the sensor is in detection mode by default.
If you want to manually control the enable then you need to remove the jumper with the label “EN” and put a control signal on the en pin.

Parts List

Name	Link
Arduino Uno	UNO R3 CH340G/ATmega328P, compatible for Arduino UNO
Sensor kit	37 IN 1 SENSOR KITS FOR ARDUINO HIGH-QUALITY FREE SHIPPING (Works with Official for Arduino Boards)
connecting wire	Free shipping Dupont line 120pcs 20cm male to male + male to female and female to female jumper wire

Connection

This is the connections we used

KY-032 module	Arduino connection
S	D3
V+	+5V
G	GND
en	n/c

arduino and ky032 layout

Code

[codesyntax lang=”cpp”]

int Sensor = 3; // Declaration of the sensor input pin
   
void setup ()
{
  Serial.begin(9600); // Initialization serial output
  pinMode (Sensor, INPUT) ; // Initialization sensor pin
}
   

void loop ()
{
  bool val = digitalRead (Sensor) ;
   
  if (val == HIGH) // If a signal is detected,
  {
    Serial.println("No obstacle");
  }
  else
  {
    Serial.println("Obstacle detected");
  }
  Serial.println("------------------------------------");
  delay(500); // Break of 500ms
}

[/codesyntax]

Output

Open the serial monitor and point the module at an object

Obstacle detected
————————————
Obstacle detected
————————————
No obstacle
————————————
No obstacle
————————————
Obstacle detected
————————————
Obstacle detected
————————————
No obstacle

5th July 2019 0 comment

KY-033 Hunt sensor module arduino example

by shedboy71 21st June 2019

written by shedboy71

The KY-033 Hunt sensor module detects if a light reflecting or absorbing area is in front of it. This module uses an IR transmitter and receiver that will detect how reflective the surface is in front of the module. It has a potentiometer to adjust the sensitivity of the module so it can detect if the surface is black or white.

Operating voltage: 2.5V – 12V(cannot over 12V)
Working current: 18mA – 20mA at 5V
Output electrical level signal: low level when detecting objects / high level when no objects / 0 or 1 decides if objects exist

This behavior can be used to automatically follow a line with a robot and this is a very common application of this module

Parts List

Name	Link
Arduino Uno	UNO R3 CH340G/ATmega328P, compatible for Arduino UNO
Sensor kit	37 IN 1 SENSOR KITS FOR ARDUINO HIGH-QUALITY FREE SHIPPING (Works with Official for Arduino Boards)
connecting wire	Free shipping Dupont line 120pcs 20cm male to male + male to female and female to female jumper wire

Connection

This is the connections we used

Connect the module’s Power line (middle) and ground (G) to +5v and GND. Connect the signal pin (S) to pin 3 on the Arduino.

KY-033 module	Arduino connection
S	D3
V+	+5V
G	GND

Code

[codesyntax lang=”cpp”]

int Sensor = 3; // sensor input pin
   
void setup ()
{
  Serial.begin(9600); // Initialize serial output
  pinMode (Sensor, INPUT) ;
}
   

void loop ()
{
  bool val = digitalRead (Sensor) ; // The current signal of the sensor will be read
   
  if (val == HIGH)
  {
    Serial.println("Line detected");
  }
  else
  {
    Serial.println("Line not detected");
  }
  Serial.println("------------------------------------");
  delay(500); // 
}

[/codesyntax]

Output

Open the serial monitor and move the IR tracker on and off a black mark, you should see something like this

Line not detected
————————————
Line not detected
————————————
Line not detected
————————————
Line detected
————————————
Line detected
————————————
Line detected
————————————
Line not detected
————————————

21st June 2019 0 comment

37 Sensor Kit Arduino Code

KY-009 RGB Full color LED SMD Module arduino example

by shedboy71 4th June 2019

written by shedboy71

This is the KY-009 RGB Full color LED SMD Module.

This module has a 5050 surface mount RGB LED that can be used to create virtually any colour by varying the intensity of the 3 colours by using the PWM output. Resistors will be needed to connect to an Arduino.

Voltage :
Red 1.8 to 2.4VDC
Green 2.8 to 3.6VDC
Blue 2.8 to 3.6VDC

Parts List

Name	Link
Arduino Uno	UNO R3 CH340G/ATmega328P, compatible for Arduino UNO
Sensor kit	37 IN 1 SENSOR KITS FOR ARDUINO HIGH-QUALITY FREE SHIPPING (Works with Official for Arduino Boards)
connecting wire	Free shipping Dupont line 120pcs 20cm male to male + male to female and female to female jumper wire
resistor kit	600PCS Component Kit 1% 1/4W Resistor Pack

Connection

This is the connections we used for the LED to avoid potential damage

KY-009 module	Resistor value	Arduino connection
R	180Ω resistor	Pin 11
G	110Ω resistor	Pin 10
B	110Ω resistor	Pin 9
–		GND

Code

Example 1

[codesyntax lang=”cpp”]

int redpin = 11; 
int bluepin =10;
int greenpin =9;
 
int val;
 
void setup() 
{
  pinMode(redpin, OUTPUT);
  pinMode(bluepin, OUTPUT);
  pinMode(greenpin, OUTPUT);
  Serial.begin(9600);
}
 

void loop() 
{
  for(val=255; val>0; val--)
  {
   analogWrite(redpin, val);
   analogWrite(bluepin, 255-val);
   analogWrite(greenpin, 128-val);
   delay(1); 
  }
 
  for(val=0; val<255; val++)
  {
   analogWrite(redpin, val);
   analogWrite(bluepin, 255-val);
   analogWrite(greenpin, 128-val);
   delay(1); 
  }

}

[/codesyntax]

Example 2

[codesyntax lang=”cpp”]

int redpin = 11; 
int bluepin =10;
int greenpin =9;
  
void setup ()
{
  // Output pin initialization
  pinMode (redpin, OUTPUT); 
  pinMode (greenpin, OUTPUT);
  pinMode (bluepin, OUTPUT); 
}
  
void loop ()
{
  digitalWrite (redpin, HIGH);   // LED will be switched on
  digitalWrite (greenpin, LOW);  // LED will be switched off
  digitalWrite (bluepin, LOW);   // LED will be switched off
  delay (3000); // Wait for 3 seconds
  
  digitalWrite (redpin, LOW);    // LED will be switched off
  digitalWrite (greenpin, HIGH); // LED will be switched on
  digitalWrite (bluepin, LOW);   // LED will be switched off
  delay (3000); // Wait for 3 seconds
   
  digitalWrite (redpin, LOW);    // LED will be switched off 
  digitalWrite (greenpin, LOW);  // LED will be switched off 
  digitalWrite (bluepin, HIGH);  // LED will be switched on 
  delay (3000); // Waitfor 3 seconds
}

[/codesyntax]

4th June 2019 0 comment

37 Sensor Kit Arduino Code

KY-020 Tilt Switch Module arduino example

by shedboy71 21st May 2019

written by shedboy71

The KY-020 Arduino tilt switch sensor module. The KY-020 is a metallic ball switch that will open/close the circuit depending on the angle its tilted at. It does not measure the angle.

KY-020 Tilt Switch Module

What is a tilt switch?

A mercury switch is an electrical switch that opens and closes a circuit when a small amount of the liquid metal mercury connects metal electrodes to close the circuit. There are several different basic designs (tilt, displacement, radial, etc.) but they all share the common design strength of non-eroding switch contacts.

The most common is the mercury tilt switch. It is in one state (open or closed) when tilted one direction with respect to horizontal, and the other state when tilted the other direction. This is what older style thermostats used to turn a heater or air conditioner on or off.

Parts List

Name	Link
Arduino Uno	UNO R3 CH340G/ATmega328P, compatible for Arduino UNO
Sensor kit	37 IN 1 SENSOR KITS FOR ARDUINO HIGH-QUALITY FREE SHIPPING (Works with Official for Arduino Boards)
connecting wire	Free shipping Dupont line 120pcs 20cm male to male + male to female and female to female jumper wire

Connection

This is the connections we used

Connect the module’s Power line (middle) and ground (-) to +5v and GND. Connect the signal pin (S) to pin 2 on the Arduino.

KY-020 module	Arduino connection
S	D2
middle	+5V
–	GND

arduino and ky020 layout

Code

We switch the on board LED on and off and also output text via the serial port

[codesyntax lang=”cpp”]

int tiltPin = 3;      // pin number for tilt switch 
int ledPin =  13;     // pin number of LED 
int tiltState = 0;

void setup() 
{ 
  Serial.begin(9600); 
  pinMode(ledPin, OUTPUT);  // set the LED pin as output      
  pinMode(tiltPin, INPUT);  // set the tilt switch pin as input
}

void loop()
{
  // read the tilt switch state
  tiltState = digitalRead(tiltPin);

  // check if the tilt switch is tilted.
  if (tiltState == HIGH) 
  {     
    digitalWrite(ledPin, HIGH);  
    Serial.println("switch is closed");
  } 
  else 
  {
    digitalWrite(ledPin, LOW); 
    Serial.println("switch is open");
  }
  delay(200);
}

[/codesyntax]

Output

Open the serial monitor and move the switch module

switch is closed
switch is closed
switch is closed
switch is closed
switch is open
switch is closed
switch is closed
switch is closed

21st May 2019 0 comment

37 Sensor Kit Arduino Code

KY-025 Reed Switch Module and Arduino

by shedboy71 7th May 2019

written by shedboy71

The KY-025 Reed Switch Module is a small electrical switch which operates with an applied magnetic field, the module can be used as proximity sensor.

KY-025 Reed Switch Module

The module has digital and analog outputs. A potentiometer is used to calibrate the sensitivity of the sensor for the analog output whereas the digital output is simply either 1 or 0 depending on whether the switch is open or closed, the digital mode is the easiest to use.

What is a reed switch?

The reed switch is an electrical switch operated by an applied magnetic field. It consists of a pair of contacts on ferromagnetic metal reeds in a hermetically sealed glass envelope. The contacts may be normally open, closing when a magnetic field is present, or normally closed and opening when a magnetic field is applied. The switch may be actuated by a coil, making a reed relay, or by bringing a magnet near the switch. Once the magnet is pulled away from the switch, the reed switch will go back to its original position.

An example of a reed switch’s application is to detect the opening of a door, when used as a proximity switch for a burglar alarm.

Parts List

Name	Link
Arduino Uno	UNO R3 CH340G/ATmega328P, compatible for Arduino UNO
Sensor kit	37 IN 1 SENSOR KITS FOR ARDUINO HIGH-QUALITY FREE SHIPPING (Works with Official for Arduino Boards)
connecting wire	Free shipping Dupont line 120pcs 20cm male to male + male to female and female to female jumper wire

Connection

This is the connections we used

Connect the board’s analog output (A0) to pin A0 on the Arduino and the digital output (D0) to pin 2. Connect the power line (+) and ground (G) to 5V and GND.

KY-025 module	Arduino connection
A0	A0
G	GND
+	5V
D0	2

arduino and ky025 layout

Code

Example 1

[codesyntax lang=”cpp”]

const int reedPin = 2;     // the number of the pushbutton pin
const int ledPin =  13;      // the number of the LED pin
int reedState = 0;         // variable for reading the reed switch status
  
void setup() 
{
  // initialize the LED pin as an output:
  pinMode(ledPin, OUTPUT);      
  // initialize the pushbutton pin as an input:
  pinMode(reedPin, INPUT);     
}
 
void loop()
{
  // read the state of the pushbutton value:
  reedState = digitalRead(reedPin);
  // check the reed switch is .
  // if it is, the buttonState is HIGH:
  if (reedState == HIGH) 
  {     
    // turn LED on:    
    digitalWrite(ledPin, HIGH);  
  } 
  else 
  {
    // turn LED off:
    digitalWrite(ledPin, LOW); 
  }
}

[/codesyntax]

Example 2

[codesyntax lang=”cpp”]

// Arduino pin numbers
//D2 and A0 used on board and connected to D0 and A0 on the module
//G ground
//+ 5V
//open arduino console - upload the code and watch the result
 
const int digital = 2;
const int analog = 0;
 
void setup()
{
pinMode(digital, INPUT);
Serial.begin(115200);
}
 
void loop()
{
Serial.print(digitalRead(digital));
Serial.print("-");
Serial.println(analogRead(analog));
delay(250);
}

[/codesyntax]

7th May 2019 0 comment

37 Sensor Kit Arduino Code

KY-023 dual axis joystick Arduino example

by shedboy71 22nd April 2019

written by shedboy71

The dual-axis joystick (KY-023) is a module which consists of two potentiometers and one button, allowing the user to control various devices (chassis, robots), for example, to remotely control a two-axis rotary camcorder that can be rotated in two planes.

The dual-axis joystick module consists of two 10 kΩ potentiometers, which determine the position of the X and Y axes. The resistance is changed by a lever. The average leg of each potentiometer is connected to the VRX and VRY contacts, and the second and third legs are connected to the power supply and ground. In addition, a button is installed, readings are taken from the SW contact, a seat for the pull-up resistor (R1) is also provided.

To read data from the VRX pins (X-axis) and VRY (Y-axis), you must use the analog port of the Arduino. (value from 0 to 5V or from 0 to 1023), and for reading data from the button we use a digital port. So, as one pin of the button is connected to the ground and when the joystick is pressed down, the circuit is closed, but false positives (switch bounce) is possible. To obtain stable readings, the output RW must be pulled to the + 5V supply, via pull-up resistor R1 or use the built-in pull-up resistor.

Parts List

Name	Link
Arduino Uno	UNO R3 CH340G/ATmega328P, compatible for Arduino UNO
Sensor kit	37 IN 1 SENSOR KITS FOR ARDUINO HIGH-QUALITY FREE SHIPPING (Works with Official for Arduino Boards)
connecting wire	Free shipping Dupont line 120pcs 20cm male to male + male to female and female to female jumper wire

Connection

For reading the values from the potentiometers of the joystick, a pair of analog pins on the Arduino (A0 and A1) and a digital pin (D2) for reading the values from the button will be used.

arduino and ky023 breadboard

Code

[codesyntax lang=”cpp”]

int value = 0;

void setup() 
{
  pinMode(2, INPUT);
  Serial.begin(9600);
}

void loop() 
{
  value = analogRead(A0); // read X axis value
  Serial.print("X:");
  Serial.print(value, DEC);

  value = analogRead(A1); // read Y axis value
  Serial.print(" | Y:");
  Serial.print(value, DEC);

  value = digitalRead(2); // read Button state
  Serial.print(" | Button:");
  Serial.println(value, DEC);

  delay(100);
}

[/codesyntax]

Output

Open the serial monitor and move the joystick

X:522 | Y:523 | Button:0
X:522 | Y:522 | Button:1
X:522 | Y:522 | Button:1
X:522 | Y:523 | Button:1
X:0 | Y:60 | Button:1
X:0 | Y:48 | Button:1
X:0 | Y:88 | Button:1
X:0 | Y:99 | Button:1
X:522 | Y:523 | Button:1
X:522 | Y:522 | Button:1
X:522 | Y:522 | Button:0
X:522 | Y:522 | Button:1

22nd April 2019 0 comment

37 Sensor Kit

KY004 Momentary Button Module

by shedboy71 14th January 2016

written by shedboy71

This is a button module. When the button is pressed, it will a high level signal.

KY004 Momentary Button Module

Connection

Pin – = GND, connect to Arduino Gnd
Pin (middle) +5 v, connect to Arduino +5v
Pin S signal, connect to Arduino pin 10

Code

[codesyntax lang=”cpp”]

int Led = 9 ;// define LED
int buttonpin = 10; // define the button module
int val;

void setup ()
{
  pinMode (Led, OUTPUT);
  pinMode (buttonpin, INPUT);
}

void loop ()
{
  val = digitalRead (buttonpin); 
  
  if (val == HIGH)
  {
    digitalWrite (Led, HIGH);
  }
  else
  {
    digitalWrite (Led, LOW);
  }
}

[/codesyntax]

14th January 2016 0 comment

37 Sensor Kit

KY003 Hall Magnetic Field Sensor Module

by shedboy71 7th December 2015

written by shedboy71

Description

The KY003 Hall Magnetic Field Sensor Module is a magnetic switch.

KY-003 Hall magnetic sensor module

Specs

Parts Required

Arduino UNO (or equivalent)
KY003 Hall Magnetic Field Sensor Module
USB cable

Connections

Pin – = GND, connect to GND
Pin (middle pin) +5 v, connect to +5v
Pin S signal, connect to Arduino pin 3 (or your own choice buit code would need updated)

Code

[codesyntax lang=”cpp”]

int LedPin = 13 ;
int HallPin = 3; 
int val; // define numeric variables val

void setup ()
{
pinMode (LedPin, OUTPUT) ;
pinMode (HallPin, INPUT) ;
}

void loop ()
{
val = digitalRead (HallPin) ; // read digital interface is assigned a value of 3 val
if (val == HIGH) // When the shock sensor detects a signal, LED flashes
{
digitalWrite (LedPin, LOW);
}
else
{
digitalWrite (LedPin, HIGH);
}
}

[/codesyntax]

7th December 2015 0 comment

37 Sensor Kit

KY002 Vibration Sensor Module

by shedboy71 7th December 2015

written by shedboy71

Description

This module is digital shock sensor. It will output a high level signal when it detects a shock event. This is also called the vibration sensor module

KY-002 Vibration switch module

Specs

Parts Required

Arduino UNO (or equivalent)
KY002 Shock Sensor Module
USB cable

Connections

Pin – = GND, connect to GND
Pin (middle pin) +5 v, connect to +5v
Pin S signal, connect to Arduino pin 3 (or your own choice but code would need updated below)

Code

A simple example the

[codesyntax lang=”cpp”]

int LedPin = 13 ;
int ShockPin = 3; 
int val; // define numeric variables val

void setup ()
{
pinMode (LedPin, OUTPUT) ;
pinMode (ShockPin, INPUT) ;
}

void loop ()
{
val = digitalRead (ShockPin) ; // read digital interface is assigned a value of 3 val
if (val == HIGH) // When the shock sensor detects a signal, LED flashes
{
digitalWrite (LedPin, LOW);
}
else
{
digitalWrite (LedPin, HIGH);
}
}

[/codesyntax]

Now simply move the module around and the LED on the Arduino board should light

7th December 2015 0 comment

37 Sensor Kit

KY-001 Temperature sensor module

by shedboy71 6th December 2015

written by shedboy71

Description
This module measures the temperature and reports it through the 1-wire bus to the Arduino. It uses the extremely popular DS18b20 digital thermometer.

KY001

Specs

The DS18B20 digital thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points. The DS18B20 communicates over a 1-Wire® bus that by definition requires only one data line (and ground) for communication with a central microprocessor. It has an operating temperature range of -55°C to +125°C and is accurate to ±0.5°C over the range of -10°C to +85°C. In addition, the DS18B20 can derive power directly from the data line (“parasite power”), eliminating the need for an external power supply.

Each DS18B20 has a unique 64-bit serial code, which allows multiple DS18B20s to function on the same 1-Wire bus.

Parts Required

You will require the following

Arduino UNO (or equivalent)
KY-001 Temperature sensor module
USB cable

Connections

Pin – = connect to GND
Pin (middle) = connect to +5V
Pin S = Signal, connect to Arduino Digital port 10

Code

Arduino Example

[codesyntax lang=”cpp”]

#include <OneWire.h>
 
// DS18S20 Temperature chip i/o
OneWire ds(10);  // on pin 10
 
void setup(void) {
  // initialize inputs/outputs
  // start serial port
  Serial.begin(9600);
}
 
void loop(void) {
 
  //For conversion of raw data to C
  int HighByte, LowByte, TReading, SignBit, Tc_100, Whole, Fract;
 
  byte i;
  byte present = 0;
  byte data[12];
  byte addr[8];
 
  if ( !ds.search(addr)) {
      Serial.print("No more addresses.\n");
      ds.reset_search();
      return;
  }
 
  Serial.print("R=");
  for( i = 0; i < 8; i++) {
    Serial.print(addr[i], HEX);
    Serial.print(" ");
  }
 
  if ( OneWire::crc8( addr, 7) != addr[7]) {
      Serial.print("CRC is not valid!\n");
      return;
  }
 
  if ( addr[0] == 0x10) {
      Serial.print("Device is a DS18S20 family device.\n");
  }
  else if ( addr[0] == 0x28) {
      Serial.print("Device is a DS18B20 family device.\n");
  }
  else {
      Serial.print("Device family is not recognized: 0x");
      Serial.println(addr[0],HEX);
      return;
  }
 
  ds.reset();
  ds.select(addr);
  ds.write(0x44,1);         // start conversion, with parasite power on at the end
 
  delay(1000);     // maybe 750ms is enough, maybe not
  // we might do a ds.depower() here, but the reset will take care of it.
 
  present = ds.reset();
  ds.select(addr);    
  ds.write(0xBE);         // Read Scratchpad
 
  Serial.print("P=");
  Serial.print(present,HEX);
  Serial.print(" ");
  for ( i = 0; i < 9; i++) {           // we need 9 bytes
    data[i] = ds.read();
    Serial.print(data[i], HEX);
    Serial.print(" ");
  }
  Serial.print(" CRC=");
  Serial.print( OneWire::crc8( data, 8), HEX);
  Serial.println();
 
  //Conversion of raw data to C
  LowByte = data[0];
  HighByte = data[1];
  TReading = (HighByte << 8) + LowByte;
  SignBit = TReading & 0x8000;  // test most sig bit
  if (SignBit) // negative
  {
    TReading = (TReading ^ 0xffff) + 1; // 2's comp
  }
  Tc_100 = (6 * TReading) + TReading / 4;    // multiply by (100 * 0.0625) or 6.25
 
  Whole = Tc_100 / 100;  // separate off the whole and fractional portions
  Fract = Tc_100 % 100;
 
 
  if (SignBit) // If its negative
  {
     Serial.print("-");
  }
  Serial.print(Whole);
  Serial.print(".");
  if (Fract < 10)
  {
     Serial.print("0");
  }
  Serial.print(Fract);
 
  Serial.print("\n");
  //End conversion to C
}

[/codesyntax]

6th December 2015 0 comment