Mr.arduino

Search This Blog

Home
Contact us

Showing posts from December, 2020

View all

Posts

How to measure heart rate using pulse sensor with Arduino

December 31, 2020

Get link
Facebook
Twitter
Pinterest
Email
Other Apps

Social Plugin

facebook
youtube

How to control servo motor with joystick and arduino

Materials:- Arduino uno Joystick Servo motor Jumper wires Diagram:- Connections:- Joystick VCC = Arduino 3.5V Joystick GND = Arduino GND Joystick URY(HOR) = Arduino Analog pin 0 Servo Yellow = Arduino Digital pin 7 Servo Red = Arduino 5V Servo Brown = Arduino GND Code:- #include <Servo.h> const int Y_pin = A0; // analog pin connected to Y output Servo myservo; int val; void setup() { myservo.attach(7); } void loop() { val = analogRead(Y_pin); val = map(val, 0, 1023, 0, 180); myservo.write(val); delay(15); }

How to use soil moisture sensor using LCD display with arduino

Materials:- Arduino uno = https://bit.ly/30v5XcY LCD display = http://bit.ly/37SLuRJ Soil moisture sensor = http://bit.ly/2I6nGiS Diagram:- Connections:- LCD display to arduino Vss = Arduino GND VDD = Arduino 5V V0 = Potentiometer center pin RS = Digital pin 8 RW = Arduino GND E = Digital pin 6 D4 = Arduino digital pin 5 D5 = Arduino digital pin 4 D6 = Arduino digital pin 3 D7 = Arduino digital pin 2 A = Arduino 5V K = Arduino GND Potentiometer to arduino Left pin = Arduino GND Right pin = Arduino 5v center pin = Display VO Soil moisture sensor to arduino Sensor VCC = Arduino 3.5V Sensor GND = Arduino GND Sensor AO = Arduino A0 Downloads:- LCD display library(LiquidCrystal.h) = http://bit.ly/2VeF5xt Code :- #include <LiquidCrystal.h> LiquidCrystal lcd(8, 6, 5, 4, 3,2); int sensorPin = A0; int sensorValue = 0; int percentValue = 0; void setup() { Serial.begin(9600); lcd

How to use raindrop sensor using arduino

Materials:- Arduino uno Raindrop sensor LED * 1 Jumper wires diagram:- Connections:- Raindrop GND = Arduino GND Raindrop VCC = Arduino 5V Raindrop A0 = Arduino Analog pin 0 LED GND = Arduino GND LED 5V = Arduino Digital pin 13 Code:- //https://mrarduinoprojects.blogspot.com const int senmin = 0; const int senmax = 1024; int led = 13; int sensory = A0; int i; void setup() { Serial.begin (9600); pinMode(led, OUTPUT); } void loop() { int sensor = analogRead(sensory); int range = map(sensor, senmin, senmax, 0, 3); switch (range) { case 0: Serial.println("raining"); digitalWrite(led, HIGH); break; case 1: Serial.println("not raining"); digitalWrite(led,LOW); } delay(500); }

Powered by Blogger