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HW 6

PIR AND LIGHT SENSORS, BLINK MODE INCLUDED WITH COUNT boolean lastPIR = LOW; boolean currentPIR = LOW; const int LED = 10; const int PIR = 2; const int LIGHT = 0; int val = 0; int count = 0; int x = 0; boolean debounce(boolean last) {   boolean current = digitalRead(PIR); //Read the button state   if (last != current) //if it's different...   {     delay(5); //wait 5ms     current = digitalRead(PIR); //read it again   }   return current; //return the current value } \ void setup() {   pinMode (LED, OUTPUT);   pinMode (PIR, INPUT);   Serial.begin(9600); } void loop() {   val = analogRead(LIGHT);   currentPIR = debounce(lastPIR);   if (digitalRead(PIR) == HIGH)   {     digitalWrite (LED, HIGH);     if (lastPIR == LOW && currentPIR == HIGH) count ++;   }   else if (val > 400 && digitalRead(PIR) == LOW)   { ...
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HW 1

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Convert meters to miles: #include <stdio.h> #include <math.h> int main(void) {   float meter, mile;   printf("Meter input: ");   scanf("%f", &meter);   mile = meter * 0.000621371;   printf("Mile output: %5.2f", mile);   return 0; } Screenshot: Convert Celsius to Rankine: #include <stdio.h> #include <math.h> int main(void) {   float Celsius, Rankine;   printf("Celsius input: ");   scanf("%f", &Celsius);   Rankine = (Celsius * 1.8) + 491.67;   printf("Rankine output: %5.2f", Rankine);   return 0; } Screenshot: Calculate area of ellipse using major and minor axis: #include <stdio.h> #include <math.h> #define PI 3.141593 int main(void) {   float major, minor, area;   printf("Major (short) axis: ");   scanf("%f", &major);   printf("Minor (short) axis: ");   scanf("%f", &minor);   area ...
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