lesson53-55 moved

Sensors/platformio.ini

@@ -12,8 +12,8 @@
 platform = atmelavr
 board = uno
 framework = arduino
-lib_deps =
-  # RECOMMENDED
-  # Accept new functionality in a backwards compatible manner and patches
-  adafruit/DHT sensor library @ ^1.4.6
-  arduino-libraries/LiquidCrystal @ ^1.0.7
+; lib_deps =
+;   # RECOMMENDED
+;   # Accept new functionality in a backwards compatible manner and patches
+;   adafruit/DHT sensor library @ ^1.4.6
+;   arduino-libraries/LiquidCrystal @ ^1.0.7

Sensors/src/main.cpp

@@ -1,70 +1,39 @@
-// https://www.youtube.com/watch?v=-AvF2TsB2GI&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=50
-// https://www.youtube.com/watch?v=ep7uBz43fCI&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=51
+// https://www.youtube.com/watch?v=M-UKXCUI0rE&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=53
+// https://www.youtube.com/watch?v=BTMMNsL0_b0&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=54
+// https://www.youtube.com/watch?v=2hwrDSVHQ-E&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=55
 
 
 #include <Arduino.h>
 
-#include <Adafruit_Sensor.h>
-#include <DHT.h>
-// #include <DHT_U.h>
-
-#include <LiquidCrystal.h>
-
-const int rs = 7, en = 8, d4 = 9, d5 = 10, d6 = 11, d7 = 12;
-LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
-
-#define DHTTYPE    DHT11
-#define DHTPIN     2
-
-DHT dht(DHTPIN, DHTTYPE);
-
-float humidity;
-float tempC;
-float tempF;
-
-int setTime = 500;
-int dt = 1000;
-
+int trigPin = 12;
+int echoPin = 11;
+int pingTravleTime;
+float distance;
+const int pulsTime = 40; // uS
+const float pingTimeToDistance = 0.017; // uS to cm, travletime[s] * 340 m/s / 2
 
 void setup() {
   // put your setup code here, to run once:
   Serial.begin(9600);
-  Serial.println("DHT11 test!");
-
-  dht.begin();
-  delay(setTime);
-
-  lcd.begin(16, 2);
-  lcd.print("Hello, World!");
-
-
+  pinMode(trigPin, OUTPUT);
+  pinMode(echoPin, INPUT);
 }
 
 void loop() {
   // put your main code here, to run repeatedly:
-  humidity = dht.readHumidity();
-  tempC = dht.readTemperature();
-  tempF = dht.readTemperature(true);
-
-  Serial.print("Humidity: ");
-  Serial.print(humidity);
-  Serial.print(" Temperature: ");
-  Serial.print(tempC);
-  Serial.print(" *C ");
-  Serial.print(tempF);
-  Serial.println(" *F");
-
-  lcd.clear();
-  lcd.setCursor(0, 0);
-  lcd.print("Humidity: ");
-  lcd.print(humidity);
-  lcd.print("%");
-
-  lcd.setCursor(0, 1);
-  lcd.print("Temp: ");
-  lcd.print(tempC);
-  lcd.print("oC ");
-  delay(dt);
-  lcd.clear();
+  digitalWrite(trigPin, LOW);
+  delayMicroseconds(pulsTime);
+  digitalWrite(trigPin, HIGH);
+  delayMicroseconds(pulsTime);
+  digitalWrite(trigPin, LOW);
+  pingTravleTime = pulseIn(echoPin, HIGH);
+  delay(25);
+  Serial.print("Ping Time: ");
+  Serial.print(pingTravleTime);
+
+  distance = pingTravleTime * pingTimeToDistance;
+  Serial.print(" Distance: ");
+  Serial.print(distance);
+  Serial.println(" cm");
 
 }

lessons/lesson50-51.cpp

@@ -0,0 +1,70 @@
+// https://www.youtube.com/watch?v=-AvF2TsB2GI&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=50
+// https://www.youtube.com/watch?v=ep7uBz43fCI&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=51
+
+
+#include <Arduino.h>
+
+#include <Adafruit_Sensor.h>
+#include <DHT.h>
+// #include <DHT_U.h>
+
+#include <LiquidCrystal.h>
+
+const int rs = 7, en = 8, d4 = 9, d5 = 10, d6 = 11, d7 = 12;
+LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
+
+#define DHTTYPE    DHT11
+#define DHTPIN     2
+
+DHT dht(DHTPIN, DHTTYPE);
+
+float humidity;
+float tempC;
+float tempF;
+
+int setTime = 500;
+int dt = 1000;
+
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(9600);
+  Serial.println("DHT11 test!");
+
+  dht.begin();
+  delay(setTime);
+
+  lcd.begin(16, 2);
+  lcd.print("Hello, World!");
+
+
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  humidity = dht.readHumidity();
+  tempC = dht.readTemperature();
+  tempF = dht.readTemperature(true);
+
+  Serial.print("Humidity: ");
+  Serial.print(humidity);
+  Serial.print(" Temperature: ");
+  Serial.print(tempC);
+  Serial.print(" *C ");
+  Serial.print(tempF);
+  Serial.println(" *F");
+
+  lcd.clear();
+  lcd.setCursor(0, 0);
+  lcd.print("Humidity: ");
+  lcd.print(humidity);
+  lcd.print("%");
+
+  lcd.setCursor(0, 1);
+  lcd.print("Temp: ");
+  lcd.print(tempC);
+  lcd.print("oC ");
+  delay(dt);
+  lcd.clear();
+
+}

lessons/lesson53-55.cpp

@@ -0,0 +1,39 @@
+// https://www.youtube.com/watch?v=M-UKXCUI0rE&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=53
+// https://www.youtube.com/watch?v=BTMMNsL0_b0&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=54
+// https://www.youtube.com/watch?v=2hwrDSVHQ-E&list=PLGs0VKk2DiYw-L-RibttcvK-WBZm8WLEP&index=55
+
+
+#include <Arduino.h>
+
+int trigPin = 12;
+int echoPin = 11;
+int pingTravleTime;
+float distance;
+const int pulsTime = 40; // uS
+const float pingTimeToDistance = 0.017; // uS to cm, travletime[s] * 340 m/s / 2
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(9600);
+  pinMode(trigPin, OUTPUT);
+  pinMode(echoPin, INPUT);
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  digitalWrite(trigPin, LOW);
+  delayMicroseconds(pulsTime);
+  digitalWrite(trigPin, HIGH);
+  delayMicroseconds(pulsTime);
+  digitalWrite(trigPin, LOW);
+  pingTravleTime = pulseIn(echoPin, HIGH);
+  delay(25);
+  Serial.print("Ping Time: ");
+  Serial.print(pingTravleTime);
+
+  distance = pingTravleTime * pingTimeToDistance;
+  Serial.print(" Distance: ");
+  Serial.print(distance);
+  Serial.println(" cm");
+
+}