Question

LAB 3: DISPLAYING DATA WITH PROCESSING PRE-LAB -- COMPLETE ON YOUR OWN TIME, THEN DEMONSTRATE IN YOUR SECTION 1. In the voltage divider circuit below, compute the voltages VA and VB. Show all calculations. This is called a voltage divider. $V_m = 5V$ GND Va Vb 2. For the Arduino code (below) to work, a single error in the processing code (below) must be fixed. Circle the error in the processing code: Arduino Code: void loop() { int xPot = analogRead(4); int yPot = analogRead(5); String xyString = String(xPot) + "," + String(yPot); Serial.println(xyString); delay(50); } Processing Code: void draw() { //Some lines of code/ inString = trim(inString); String[] xyRaw = splitTokens(inString, "\t"); if (xyRaw.length == 2) { int x = int(xyRaw[0]); int y = int(xyRaw[1]); } } 3. The following line of Processing code plots a circle on the screen of what radius? ellipse(400, 400, 10, 10); // draw a circle

          LAB 3: DISPLAYING DATA WITH PROCESSING
PRE-LAB -- COMPLETE ON YOUR OWN TIME, THEN DEMONSTRATE IN YOUR SECTION
1. In the voltage divider circuit below, compute the voltages VA and VB. Show all calculations. This is
called a voltage divider.
$V_m = 5V$
GND
Va
Vb
2. For the Arduino code (below) to work, a single error in the processing code (below) must be fixed.
Circle the error in the processing code:
Arduino Code:
void loop()
{
int xPot = analogRead(4);
int yPot = analogRead(5);
String xyString = String(xPot) + "," +
String(yPot);
Serial.println(xyString);
delay(50);
}
Processing Code:
void draw()
{
//Some lines of code/
inString = trim(inString);
String[] xyRaw =
splitTokens(inString, "\t");
if (xyRaw.length == 2)
{
int x = int(xyRaw[0]);
int y = int(xyRaw[1]);
}
}
3. The following line of Processing code plots a circle on the screen of what radius?
ellipse(400, 400, 10, 10); // draw a circle

LAB 3: DISPLAYING DATA WITH PROCESSING
PRE-LAB – COMPLETE ON YOUR OWN TIME, THEN DEMONSTRATE IN YOUR SECTION
1. In the voltage divider circuit below, compute the voltages VA and VB. Show all calculations. This is
called a voltage divider.
Vm = 5V
GND
Va
Vb
2. For the Arduino code (below) to work, a single error in the processing code (below) must be fixed.
Circle the error in the processing code:
Arduino Code:
void loop()

int xPot = analogRead(4);
int yPot = analogRead(5);
String xyString = String(xPot) + "," +
String(yPot);
Serial.println(xyString);
delay(50);

Processing Code:
void draw()

//Some lines of code/
inString = trim(inString);
String[] xyRaw =
splitTokens(inString, "");
if (xyRaw.length == 2)

int x = int(xyRaw[0]);
int y = int(xyRaw[1]);

3. The following line of Processing code plots a circle on the screen of what radius?
ellipse(400, 400, 10, 10); // draw a circle

Added by Brandon F.

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