A friend

By -
Photo

Comments

Post a Comment

Popular posts from this blog

Arduino and MQ 2 gas sensor

By -
Image
Gas Sensor MQ2 Arduino code : #define MQ_PIN (0) //define which analog input channel you are going to use #define RL_VALUE (5) //define the load resistance on the board, in kilo ohms #define RO_CLEAN_AIR_FACTOR (9.83) //RO_CLEAR_AIR_FACTOR=(Sensor resistance in clean air)/RO, //which is derived from the chart in datasheet / **********************Software Related Macros*********************************** / #define CALIBARAION_SAMPLE_TIMES (50) //define how many samples you are going to take in the calibration phase #define CALIBRATION_SAMPLE_INTERVAL (500) //define the time interal(in milisecond) between each samples in the //cablibration phase #define READ_SAMPLE_INTERVAL (50) //define how many samples you are going to take in normal operation #...
Read more

Arduino Sound Sensor Module / Sound Sensor with arduino Code

By -
Image
Sound Sensor with arduino Code : #include <LiquidCrystal.h> const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 2; LiquidCrystal lcd(rs, en, d4, d5, d6, d7); void setup(){ lcd.begin(16, 2); Serial.begin(9600); // open serial port, set the baud rate to 9600 bps } void loop(){int val; val=analogRead(0); //connect mic sensor to Analog 0 Serial.print("Sound="); Serial.println(val,DEC);//print the sound value to serial lcd.setCursor(0, 0); lcd.print("Sound="); lcd.print(val); lcd.print(" "); delay(1000);}
Read more