Merge branch 'main' of https://gitlab.fdmci.hva.nl/propedeuse-hbo-ict/onderwijs/2023-2024/out-a-se-ti/blok-3/qaajeeqiinii59

docs/LearningProcessBram/Sprint1/FirstDocumentation.md

@@ -111,9 +111,12 @@ the code used looks like this:
 DHT dht(DHTPIN, DHTTYPE); 
 
 void setup() { 
-//the 
+//the serial port:
 Serial.begin(9600); 
+
+//the initial test if the code works
 Serial.println(F("DHTxx test!")); 
+//the library start
 dht.begin(); 
 } 
 
@@ -121,9 +124,12 @@ dht.begin();
 
 void loop() { 
   delay(2000); 
+  //a float has decimal numbers and the library reads the measurements.
   float h = dht.readHumidity(); 
   float t = dht.readTemperature(); 
   float f = dht.readTemperature(true); 
+
+//isnan = there is no reading , the || is "or"
   if (isnan(h) || isnan(t) || isnan(f)) { 
 
     Serial.println(F("Failed to read from DHT sensor!")); 
@@ -163,12 +169,14 @@ I designed it to work with scanning if there is any input and then output this s
 This output signal can activate over multiple pins so this one button can set off all sorts of stuff. 
 The code is short and simple:  
 
-```  
+``` 
+//set up some variables 
 int button = 20; 
 int buzzerone = 12; 
 int buzzertwo = 11; 
  
 void setup() { 
+//put down some pins that will output , and some that input.
 pinMode(button, INPUT); 
 pinMode(buzzerone, OUTPUT); 
 pinMode(buzzertwo, OUTPUT); 
@@ -177,6 +185,7 @@ pinMode(buzzertwo, OUTPUT);
  
 
 void loop() { 
+  //read is there is input on the button pin, if so send output to the other pins., otherwise keep them off.
   if(digitalRead(button) == HIGH){ 
     digitalWrite(buzzerone, HIGH); 
     digitalWrite(buzzertwo, HIGH);