Initial commit

DHTtester/DHTtester.ino

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+// Example testing sketch for various DHT humidity/temperature sensors
+// Written by ladyada, public domain
+
+#include "DHT.h"
+
+#define DHTPIN 4     // what pin we're connected to
+
+// Uncomment whatever type you're using!
+//#define DHTTYPE DHT11   // DHT 11 
+#define DHTTYPE DHT22   // DHT 22  (AM2302)
+//#define DHTTYPE DHT21   // DHT 21 (AM2301)
+
+// Connect pin 1 (on the left) of the sensor to +5V
+// Connect pin 2 of the sensor to whatever your DHTPIN is
+// Connect pin 4 (on the right) of the sensor to GROUND
+// Connect a 10K resistor from pin 2 (data) to pin 1 (power) of the sensor
+
+DHT dht(DHTPIN, DHTTYPE);
+
+void setup() {
+  Serial.begin(9600); 
+  Serial.println("DHTxx test!");
+
+  dht.begin();
+}
+
+void loop() {
+  // Reading temperature or humidity takes about 250 milliseconds!
+  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
+  float h = dht.readHumidity();
+  float t = dht.readTemperature();
+
+  // check if returns are valid, if they are NaN (not a number) then something went wrong!
+  if (isnan(t) || isnan(h)) {
+    Serial.println("Failed to read from DHT");
+  } else {
+    Serial.print("Humidity: "); 
+    Serial.print(h);
+    Serial.print(" %\t");
+    Serial.print("Temperature: "); 
+    Serial.print(t);
+    Serial.println(" *C");
+  }
+}

IRrecvDemo/IRrecvDemo.ino

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+/*
+ * IRremote: IRrecvDemo - demonstrates receiving IR codes with IRrecv
+ * An IR detector/demodulator must be connected to the input RECV_PIN.
+ * Version 0.1 July, 2009
+ * Copyright 2009 Ken Shirriff
+ * http://arcfn.com
+ */
+
+#include <IRremote.h>
+
+int RECV_PIN = A0;
+
+IRrecv irrecv(RECV_PIN);
+
+decode_results results;
+
+void setup()
+{
+  Serial.begin(9600);
+  irrecv.enableIRIn(); // Start the receiver
+}
+
+void loop() {
+  if (irrecv.decode(&results)) {
+    Serial.println(results.value, HEX);
+    irrecv.resume(); // Receive the next value
+  }
+}

IRrecvDump/IRrecvDump.ino

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+/*
+ * IRremote: IRrecvDump - dump details of IR codes with IRrecv
+ * An IR detector/demodulator must be connected to the input RECV_PIN.
+ * Version 0.1 July, 2009
+ * Copyright 2009 Ken Shirriff
+ * http://arcfn.com
+ * JVC and Panasonic protocol added by Kristian Lauszus (Thanks to zenwheel and other people at the original blog post)
+ */
+
+#include <IRremote.h>
+
+int RECV_PIN = 9;
+
+IRrecv irrecv(RECV_PIN);
+
+decode_results results;
+
+void setup()
+{
+  Serial.begin(9600);
+  irrecv.enableIRIn(); // Start the receiver
+}
+
+// Dumps out the decode_results structure.
+// Call this after IRrecv::decode()
+// void * to work around compiler issue
+//void dump(void *v) {
+//  decode_results *results = (decode_results *)v
+void dump(decode_results *results) {
+  int count = results->rawlen;
+  if (results->decode_type == UNKNOWN) {
+    Serial.print("Unknown encoding: ");
+  } 
+  else if (results->decode_type == NEC) {
+    Serial.print("Decoded NEC: ");
+  } 
+  else if (results->decode_type == SONY) {
+    Serial.print("Decoded SONY: ");
+  } 
+  else if (results->decode_type == RC5) {
+    Serial.print("Decoded RC5: ");
+  } 
+  else if (results->decode_type == RC6) {
+    Serial.print("Decoded RC6: ");
+  }
+  else if (results->decode_type == PANASONIC) {	
+    Serial.print("Decoded PANASONIC - Address: ");
+    Serial.print(results->panasonicAddress,HEX);
+    Serial.print(" Value: ");
+  }
+  else if (results->decode_type == JVC) {
+     Serial.print("Decoded JVC: ");
+  }
+  Serial.print(results->value, HEX);
+  Serial.print(" (");
+  Serial.print(results->bits, DEC);
+  Serial.println(" bits)");
+  Serial.print("Raw (");
+  Serial.print(count, DEC);
+  Serial.print("): ");
+
+  for (int i = 0; i < count; i++) {
+    if ((i % 2) == 1) {
+      Serial.print(results->rawbuf[i]*USECPERTICK, DEC);
+    } 
+    else {
+      Serial.print(-(int)results->rawbuf[i]*USECPERTICK, DEC);
+    }
+    Serial.print(" ");
+  }
+  Serial.println("");
+}
+
+
+void loop() {
+  if (irrecv.decode(&results)) {
+    Serial.println(results.value, HEX);
+    dump(&results);
+    irrecv.resume(); // Receive the next value
+  }
+}

IRsendDemo/IRsendDemo.ino

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+/*
+ * IRremote: IRsendDemo - demonstrates sending IR codes with IRsend
+ * An IR LED must be connected to Arduino PWM pin 3.
+ * Version 0.1 July, 2009
+ * Copyright 2009 Ken Shirriff
+ * http://arcfn.com
+ */
+
+#include <IRremote.h>
+
+IRsend irsend;
+
+void setup()
+{
+  Serial.begin(9600);
+}
+
+void loop() {
+  delay(250);
+  if (Serial.read() != -1) {
+    for (int i = 0; i < 3; i++) {
+      irsend.sendSony(0xa90, 12); // Sony TV power code
+      delay(40);
+    }
+  }
+}