A I2C controlled, LCD enabled Thermometer - Versionsgeschichte

Dl8rds: /* Program */

2009-11-03T15:34:54Z

‎Program

2009-11-03T00:20:20Z

‎Tests

2009-11-03T00:19:53Z

‎Tests

2009-11-03T00:19:03Z

‎Tests

2009-11-03T00:12:43Z

‎Tests

2009-11-03T00:09:04Z

‎Ingredients =

2009-11-03T00:08:54Z

‎Ingredients =

2009-11-03T00:08:33Z

2009-11-03T00:06:20Z

2009-11-03T00:04:15Z

‎Images

@@ Zeile 27: / Zeile 27: @@
 Here's the sketch:
   #include <Wire.h>
   #define tmpaddress 0x48
-  void setup()
+ // Wiring pattern: LiquidCrystal(rs,rw,enable,d0,d1,d2,d3,d4,d5,d6,d7)
+ LiquidCrystal lcd(12,11,10,2,3,4,5,6,7,8,9);
     Wire.begin();
+  }
-  void loop()
+  void loop() {
+    lcd.clear();
     Wire.beginTransmission(tmpaddress);
     Wire.send(0x00);
@@ Zeile 48: / Zeile 49: @@
+    }
     Wire.endTransmission();
+   lcd.setCursor(0,0);
-    Serial.println("-----------");
+    lcd.print("Temperatur: ");
-    Serial.println(temperature-3);
+    lcd.print(temperature);
-    delay(1000);
+   lcd.print(" C");
+  }

@@ Zeile 60: / Zeile 60: @@
 * power consumption: 57 mW
-Given that a AA battery has an assumed capacity of 2850 mAh, the thermometer would run for about 50 hours until the batteries are fully discharged. For short-time measurementy upon activation this means at least months of lifetime!
+Given that a AA battery has an assumed capacity of 2850 mAh (3x Duracell Ultra MN1500), the thermometer would run for about 50 hours until the batteries are fully discharged. For short-time measurementy upon activation this means at least months of lifetime!
 And this is given that the full potential of the sketch has not yet been released because it is possible to switch the sensor into sleep mode...

← Nächstältere Version		Version vom 3. November 2009, 00:19 Uhr
Zeile 61:		Zeile 61:

	Given that a AA battery has an assumed capacity of 2850 mAh, the thermometer would run for about 50 hours until the batteries are fully discharged. For short-time measurementy upon activation this means at least months of lifetime!		Given that a AA battery has an assumed capacity of 2850 mAh, the thermometer would run for about 50 hours until the batteries are fully discharged. For short-time measurementy upon activation this means at least months of lifetime!
		+
		+	And this is given that the full potential of the sketch has not yet been released because it is possible to switch the sensor into sleep mode...

	== Images ==		== Images ==

@@ Zeile 59: / Zeile 59: @@
 * current: 12 mA with interrupted connection to the LCD LED
 * power consumption: 57 mW
 == Images ==

@@ Zeile 57: / Zeile 57: @@
 * battery voltage: 4,79 V
-* current: 17 mA
+* current: 12 mA with interrupted connection to the LCD LED
-* power consumption: 81 mW
+* power consumption: 57 mW
 == Images ==

@@ Zeile 1: / Zeile 1: @@
 Here's a demonstration of a very tiny Arduino project: It's a microcontroller driven very precise digital thermometer.
-== Ingredients ===
+== Ingredients ==
 * Arduino Mini Pro
 * JHD 162A LCD display

@@ Zeile 14: / Zeile 14: @@
 * Arduino Mini Pro 15€
 * JHD 162A LCD display 10€
-* SE95 I2C temperature sensor on a board from Horter & Kalb http://www.horter.de/i2c/index.htm 5€
+* SE95 I2C temperature sensor & board 5€
 * 25 kiloOhm Poti 0.25 €
 * 1 kiloOhm Poti 0.25 €

@@ Zeile 9: / Zeile 9: @@
 * Breadboard
 * 3x AA Alkaline cell
 == Program ==

← Nächstältere Version		Version vom 3. November 2009, 00:04 Uhr
Zeile 47:		Zeile 47:

	== Images ==		== Images ==
		+
		+	[[Image:I2C-Controlled_LCD-enabled_Thermometer.jpg\|400px]]
		+
		+	[[Image:I2C-Controlled_LCD-enabled_Thermometer_BreadBoard_closeUp.jpg\|400px]]