DennisLiao's Note

2015年9月29日星期二

2015年9月20日星期日

#include "Servo.h"

Servo myservo; // create servo object to control a servo

int potpin = 0; // analog pin used to connect the potentiometer
int val; // variable to read the value from the analog pin

void setup()
{
myservo.attach(9); // attaches the servo on pin 9 to the servo object
}

void loop()
{
val = analogRead(potpin); // reads the value of the potentiometer (value between 0 and 1023)
val = map(val, 0, 1023, 0, 180); // scale it to use it with the servo (value between 0 and 180)
myservo.write(val); // sets the servo position according to the scaled value
delay(15); // waits for the servo to get there
}

BMP180+DS18x20+DCcduino_LCD2004A

DCcduino 這塊山寨版UNO剛好滿足我不喜歡用麵包板的特性，擴充各兩組5V及3.3V的接點
這次連接I2C LCD 及BMP180和DS18B20，沒有須增加電源的問題。

#include "SFE_BMP180.h"
#include "Wire.h"
#include "LiquidCrystal_I2C.h"
#include "OneWire.h"
#include "DallasTemperature.h"

SFE_BMP180 pressure;

#define ALTITUDE 1655.0

LiquidCrystal_I2C lcd(0x3f,20,4);

#define ONE_WIRE_BUS 2
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

void setup()
{
lcd.init();
lcd.backlight();
lcd.print("BMP180 Demo");

Serial.begin(9600);
Serial.println("REBOOT");

if (pressure.begin())
Serial.println("BMP180 init success");
else
{

Serial.println("BMP180 init fail\n\n");
while(1); // Pause forever.
}

sensors.begin();

}

void loop()
{
char status;
double T,P,p0,a;

Serial.println();
Serial.print("provided altitude: ");
Serial.print(ALTITUDE,0);
Serial.print(" meters, ");
Serial.print(ALTITUDE*3.28084,0);
Serial.println(" feet");

status = pressure.startTemperature();
if (status != 0)
{

delay(status);

status = pressure.getTemperature(T);
if (status != 0)
{

Serial.print("temperature: ");
Serial.print(T,2);
Serial.print(" deg C, ");
Serial.print((9.0/5.0)*T+32.0,2);
Serial.println(" deg F");

status = pressure.startPressure(3);
if (status != 0)
{

delay(status);

status = pressure.getPressure(P,T);
if (status != 0)
{

Serial.print("absolute pressure: ");
Serial.print(P,2);
Serial.print(" mb, ");
Serial.print(P*0.0295333727,2);
Serial.println(" inHg");

p0 = pressure.sealevel(P,ALTITUDE);
Serial.print("relative (sea-level) pressure: ");
Serial.print(p0,2);
Serial.print(" mb, ");
Serial.print(p0*0.0295333727,2);
Serial.println(" inHg");

a = pressure.altitude(P,p0);
Serial.print("computed altitude: ");
Serial.print(a,0);
Serial.print(" meters, ");
Serial.print(a*3.28084,0);
Serial.println(" feet");
}
else Serial.println("error retrieving pressure measurement\n");
}
else Serial.println("error starting pressure measurement\n");
}
else Serial.println("error retrieving temperature measurement\n");
}
else Serial.println("error starting temperature measurement\n");

sensors.requestTemperatures();

lcd.setCursor(0,1);
lcd.print(T,2);
lcd.print("C ");
lcd.print(P,2);
lcd.print("mb ");
lcd.setCursor(0,2);
lcd.print(a,0);
lcd.print("M ");
lcd.print(p0,2);
lcd.print("mb ");
lcd.setCursor(0,3);
lcd.print(sensors.getTempCByIndex(0));
lcd.print("C ");
lcd.print(sensors.getTempCByIndex(1));
lcd.print("C ");

Serial.print("Ds18s20");
Serial.print(",");
Serial.print(sensors.getTempCByIndex(0));
Serial.print(",");
Serial.print("Ds18b20");
Serial.print(",");
Serial.print(sensors.getTempCByIndex(1));
Serial.println(",");

// Serial.print("temperature: ");
// Serial.print(T,2);
// Serial.print(" deg C, ");
// Serial.print((9.0/5.0)*T+32.0,2);
// Serial.println(" deg F");

delay(2000);
}

2015年9月19日星期六

DHT11_LCD1602_Serial port

#include "Wire.h"
#include "LiquidCrystal_I2C.h"
#include "dht.h"

LiquidCrystal_I2C lcd(0x27,16,2);
dht DHT;

#define DHT11_PIN 5

void setup()
{
lcd.init(); // initialize the lcd
lcd.backlight();
//lcd.print("DHT11 Test Program ");

Serial.begin(115200);
Serial.println("DHT TEST PROGRAM ");
Serial.print("LIBRARY VERSION: ");
Serial.println(DHT_LIB_VERSION);
Serial.println();
Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)");
}

void loop()
{
// READ DATA
Serial.print("DHT11, \t");
int chk = DHT.read11(DHT11_PIN);
switch (chk)
{
case DHTLIB_OK:
Serial.print("OK,\t");
break;
case DHTLIB_ERROR_CHECKSUM:
Serial.print("Checksum error,\t");
break;
case DHTLIB_ERROR_TIMEOUT:
Serial.print("Time out error,\t");
break;
case DHTLIB_ERROR_CONNECT:
Serial.print("Connect error,\t");
break;
case DHTLIB_ERROR_ACK_L:
Serial.print("Ack Low error,\t");
break;
case DHTLIB_ERROR_ACK_H:
Serial.print("Ack High error,\t");
break;
default:
Serial.print("Unknown error,\t");
break;
}
// DISPLAY DATA
Serial.print(DHT.humidity, 1);
Serial.print(",\t");
Serial.println(DHT.temperature, 1);
lcd.setCursor(0,0);
lcd.print("Humidity:");
lcd.setCursor(13,0);
lcd.print(DHT.humidity, 0);
lcd.setCursor(15,0);
lcd.print("%");
lcd.setCursor(0,1);
lcd.print("Temperature:");
lcd.setCursor(13,1);
lcd.print(DHT.temperature,0);
lcd.setCursor(15,1);
lcd.print("C");

delay(2000);
}

2015年9月18日星期五

BMP180 Demo

#include "SFE_BMP180.h"
#include "Wire.h"
#include "LiquidCrystal_I2C.h"

SFE_BMP180 pressure;

#define ALTITUDE 1655.0

LiquidCrystal_I2C lcd(0x27,16,2);

void setup()
{
lcd.init();
lcd.backlight();
lcd.print("BMP180 Demo");

Serial.begin(9600);
Serial.println("REBOOT");

if (pressure.begin())
Serial.println("BMP180 init success");
else
{

Serial.println("BMP180 init fail\n\n");
while(1); // Pause forever.
}
}

void loop()
{
char status;
double T,P,p0,a;

Serial.println();
Serial.print("provided altitude: ");
Serial.print(ALTITUDE,0);
Serial.print(" meters, ");
Serial.print(ALTITUDE*3.28084,0);
Serial.println(" feet");

status = pressure.startTemperature();
if (status != 0)
{

delay(status);

status = pressure.getTemperature(T);
if (status != 0)
{

Serial.print("temperature: ");
Serial.print(T,2);
Serial.print(" deg C, ");
Serial.print((9.0/5.0)*T+32.0,2);
Serial.println(" deg F");

status = pressure.startPressure(3);
if (status != 0)
{

delay(status);

status = pressure.getPressure(P,T);
if (status != 0)
{

Serial.print("absolute pressure: ");
Serial.print(P,2);
Serial.print(" mb, ");
Serial.print(P*0.0295333727,2);
Serial.println(" inHg");

p0 = pressure.sealevel(P,ALTITUDE);
Serial.print("relative (sea-level) pressure: ");
Serial.print(p0,2);
Serial.print(" mb, ");
Serial.print(p0*0.0295333727,2);
Serial.println(" inHg");

a = pressure.altitude(P,p0);
Serial.print("computed altitude: ");
Serial.print(a,0);
Serial.print(" meters, ");
Serial.print(a*3.28084,0);
Serial.println(" feet");
}
else Serial.println("error retrieving pressure measurement\n");
}
else Serial.println("error starting pressure measurement\n");
}
else Serial.println("error retrieving temperature measurement\n");
}
else Serial.println("error starting temperature measurement\n");

lcd.setCursor(0,1);
lcd.print(T,2);
lcd.print("C ");
lcd.print(P,2);
lcd.print("mb ");
// Serial.print("temperature: ");
// Serial.print(T,2);
// Serial.print(" deg C, ");
// Serial.print((9.0/5.0)*T+32.0,2);
// Serial.println(" deg F");

delay(5000);
}

DHT11_LCD2004A_Serial prot

#include "Wire.h"
#include "LiquidCrystal_I2C.h"
#include "dht.h"

LiquidCrystal_I2C lcd(0x3f,20,4);
dht DHT;

#define DHT11_PIN 5

void setup()
{
lcd.init(); // initialize the lcd
lcd.backlight();
lcd.print("DHT11 Test Program ");

Serial.begin(115200);
Serial.println("DHT TEST PROGRAM ");
Serial.print("LIBRARY VERSION: ");
Serial.println(DHT_LIB_VERSION);
Serial.println();
Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)");
}

void loop()
{
// READ DATA
Serial.print("DHT11, \t");
int chk = DHT.read11(DHT11_PIN);
switch (chk)
{
case DHTLIB_OK:
Serial.print("OK,\t");
break;
case DHTLIB_ERROR_CHECKSUM:
Serial.print("Checksum error,\t");
break;
case DHTLIB_ERROR_TIMEOUT:
Serial.print("Time out error,\t");
break;
case DHTLIB_ERROR_CONNECT:
Serial.print("Connect error,\t");
break;
case DHTLIB_ERROR_ACK_L:
Serial.print("Ack Low error,\t");
break;
case DHTLIB_ERROR_ACK_H:
Serial.print("Ack High error,\t");
break;
default:
Serial.print("Unknown error,\t");
break;
}
// DISPLAY DATA
Serial.print(DHT.humidity, 1);
Serial.print(",\t");
Serial.println(DHT.temperature, 1);
lcd.setCursor(0,2);
lcd.print("Humidity:");
lcd.setCursor(13,2);
lcd.print(DHT.humidity, 1);
lcd.setCursor(18,2);
lcd.print("%");
lcd.setCursor(0,3);
lcd.print("Temperature:");
lcd.setCursor(13,3);
lcd.print(DHT.temperature, 1);
lcd.setCursor(18,3);
lcd.print("C");

delay(1000);
}

2015年9月16日星期三

LiquidCrystal_I2C 2004A

Arduino +5V --> Module VCC
Arduino GND --> Module GND
Arduino Analoog 4 --> Module SDA
Arduino Analoog 5 --> Module SCL

#include "Wire.h"
#include "LiquidCrystal_I2C.h"

LiquidCrystal_I2C lcd(0x3f,20,4); // set the LCD address to 0x3f for a 20 chars and 4 line display

void setup()
{
lcd.init(); // initialize the lcd
lcd.init();
// Print a message to the LCD.
lcd.backlight();
lcd.setCursor(0,0);
lcd.print("Hello Arduino");
lcd.setCursor(0,1);
lcd.print("DCcEle LCD Print");
lcd.setCursor(0,2);
lcd.print("2004A LiquidCrystal I2C");
lcd.setCursor(0,3);
lcd.print("Show!");
}

void loop()
{
}

DennisLiao's Note

2015年9月29日星期二

ESP8266

2015年9月20日星期日

SG90+Joystick module

BMP180+DS18x20+DCcduino_LCD2004A

2015年9月19日星期六

DHT11_LCD1602_Serial port

2015年9月18日星期五

BMP180 Demo

DHT11_LCD2004A_Serial prot

2015年9月16日星期三

LiquidCrystal_I2C 2004A

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2015年9月29日 星期二

2015年9月20日 星期日

2015年9月19日 星期六

2015年9月18日 星期五

2015年9月16日 星期三

2015年9月29日星期二

2015年9月20日星期日

2015年9月19日星期六

2015年9月18日星期五

2015年9月16日星期三