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Reference Links | |
https://www.arduino.cc/reference/en/ | |
1 ) Analog Signals | |
Read / Write | |
> Variable Resistors | |
> Led output < working with brightness | |
https://www.arduino.cc/reference/en/ | |
analogRead() | |
analogWrite() | |
Accelerometer > 3 analog signals . | |
2) Digital Signal Read and Write | |
> Led On and Off as output | |
> Switch read as input | |
digitalRead() | |
pinMode() | |
> DHT 11 sensor - library | |
Google for "dht arduino library" | |
https://github.com/adafruit/DHT-sensor-library | |
https://github.com/adafruit/Adafruit_Sensor | |
3) I2C based Signal | |
> Sensor library <mpu6050> | |
Accelerometer Value | |
Gyroscope angles | |
>> https://github.com/jarzebski/Arduino-MPU6050 | |
> LCD display i2c based . | |
https://github.com/fdebrabander/Arduino-LiquidCrystal-I2C-library | |
4) SPI Based Signals | |
> Nokia 5110 | |
https://github.com/adafruit/Adafruit-PCD8544-Nokia-5110-LCD-library | |
5) Serial based | |
> sim based | |
https://www.elecrow.com/wiki/images/2/20/SIM800_Series_AT_Command_Manual_V1.09.pdf | |
https://github.com/cristiansteib/Sim800l | |
> GPS based Comunication . | |
https://github.com/mikalhart/TinyGPS | |
> Bluetooth Based - BLE Vs Bluetooth v4 | |
6) PWM based | |
> Read data from Analog pins and write the value to Digital Pins . | |
--------------------------------------------------------------------------- | |
7) Virtual Pins | |
> Some Virtual Values from Cloud and retrive them on Device . | |
----------------------------------------------------------------------------- | |
8) Servo Motors : | |
> 0 -180 degress | |
9) Relays <Control Electrical Appliances > | |
< digitalWrite() > | |
10) Solenoids : | |
Door lock | |
Control with relay and seperate power supply | |
Motor Driver | |
11) Water Flow meter : | |
no of litres of fluid which has passed through it | |
<Interrupt based > | |
https://github.com/sekdiy/FlowMeter | |
void setup() {
Serial.begin(9600);
pinMode(13,OUTPUT);
}
void loop() {
float sensor_volt;
float sensorValue;
sensorValue = analogRead(A2);
sensor_volt = sensorValue/1024*5.0;
// Serial.print(sensorValue);
Serial.print("sensor_volt = ");
Serial.print(sensor_volt);
if(sensor_volt>1){
digitalWrite(13,HIGH);
delay(2000);
digitalWrite(13,LOW);
delay(2000);
}
Serial.println("V");
delay(1000);
}
// https://learn.adafruit.com/getting-started-with-myoware-muscle-sensor/code
void setup(){
Serial.begin(9600);
}
void loop(){
//Serial.println("Loop ");
int muscleSensorVal = analogRead(A10);
Serial.println(muscleSensorVal);
delay(1);
}
/* Sweep
by BARRAGAN http://barraganstudio.com
This example code is in the public domain.
modified 8 Nov 2013
by Scott Fitzgerald
http://www.arduino.cc/en/Tutorial/Sweep
*/
#include <Servo.h>
Servo myservo,myservo1,myservo2; // create servo object to control a servo
// twelve servo objects can be created on most boards
int pos = 0; // variable to store the servo position
void setup() {
myservo.attach(7); // attaches the servo on pin 9 to the servo object
}
void loop() {
for (pos = 0; pos <= 180; pos += 1) { // goes from 0 degrees to 180 degrees
// in steps of 1 degree
myservo.write(pos); // tell servo to go to position in variable 'pos'
delay(50); // waits 15ms for the servo to reach the position
}
for (pos = 180; pos >= 0; pos -= 1) { // goes from 180 degrees to 0 degrees
myservo.write(pos); // tell servo to go to position in variable 'pos'
delay(10); // waits 15ms for the servo to reach the position
}
}
// pitches.h
/*************************************************
*************************************************/
#define NOTE_B0 31
#define NOTE_C1 33
#define NOTE_CS1 35
#define NOTE_D1 37
#define NOTE_DS1 39
#define NOTE_E1 41
#define NOTE_F1 44
#define NOTE_FS1 46
#define NOTE_G1 49
#define NOTE_GS1 52
#define NOTE_A1 55
#define NOTE_AS1 58
#define NOTE_B1 62
#define NOTE_C2 65
#define NOTE_CS2 69
#define NOTE_D2 73
#define NOTE_DS2 78
#define NOTE_E2 82
#define NOTE_F2 87
#define NOTE_FS2 93
#define NOTE_G2 98
#define NOTE_GS2 104
#define NOTE_A2 110
#define NOTE_AS2 117
#define NOTE_B2 123
#define NOTE_C3 131
#define NOTE_CS3 139
#define NOTE_D3 147
#define NOTE_DS3 156
#define NOTE_E3 165
#define NOTE_F3 175
#define NOTE_FS3 185
#define NOTE_G3 196
#define NOTE_GS3 208
#define NOTE_A3 220
#define NOTE_AS3 233
#define NOTE_B3 247
#define NOTE_C4 262
#define NOTE_CS4 277
#define NOTE_D4 294
#define NOTE_DS4 311
#define NOTE_E4 330
#define NOTE_F4 349
#define NOTE_FS4 370
#define NOTE_G4 392
#define NOTE_GS4 415
#define NOTE_A4 440
#define NOTE_AS4 466
#define NOTE_B4 494
#define NOTE_C5 523
#define NOTE_CS5 554
#define NOTE_D5 587
#define NOTE_DS5 622
#define NOTE_E5 659
#define NOTE_F5 698
#define NOTE_FS5 740
#define NOTE_G5 784
#define NOTE_GS5 831
#define NOTE_A5 880
#define NOTE_AS5 932
#define NOTE_B5 988
#define NOTE_C6 1047
#define NOTE_CS6 1109
#define NOTE_D6 1175
#define NOTE_DS6 1245
#define NOTE_E6 1319
#define NOTE_F6 1397
#define NOTE_FS6 1480
#define NOTE_G6 1568
#define NOTE_GS6 1661
#define NOTE_A6 1760
#define NOTE_AS6 1865
#define NOTE_B6 1976
#define NOTE_C7 2093
#define NOTE_CS7 2217
#define NOTE_D7 2349
#define NOTE_DS7 2489
#define NOTE_E7 2637
#define NOTE_F7 2794
#define NOTE_FS7 2960
#define NOTE_G7 3136
#define NOTE_GS7 3322
#define NOTE_A7 3520
#define NOTE_AS7 3729
#define NOTE_B7 3951
#define NOTE_C8 4186
#define NOTE_CS8 4435
#define NOTE_D8 4699
#define NOTE_DS8 4978