diff --git a/Template Project/lib/ESPMegaPRO/AnalogCard.cpp b/Template Project/lib/ESPMegaPRO/AnalogCard.cpp
index a053484..e7bf577 100644
--- a/Template Project/lib/ESPMegaPRO/AnalogCard.cpp	
+++ b/Template Project/lib/ESPMegaPRO/AnalogCard.cpp	
@@ -1,30 +1,44 @@
 #include <ESPMegaPRO.h>
 #include <AnalogCard.hpp>
 
-void AnalogCard::dacWrite(uint8_t pin, uint16_t value) {
-    switch(pin) {
-        case 0:
-            this->dac0.writeDAC(value);
-            break;
-        case 1:
-            this->dac1.writeDAC(value);
-            break;
-        case 2:
-            this->dac2.writeDAC(value);
-            break;
-        case 3:
-            this->dac3.writeDAC(value);
-            break;
+AnalogCard::AnalogCard() : dac0(DAC0_ADDRESS),
+                           dac1(DAC1_ADDRESS),
+                           dac2(DAC2_ADDRESS),
+                           dac3(DAC3_ADDRESS)
+{
+}
+
+void AnalogCard::dacWrite(uint8_t pin, uint16_t value)
+{
+    switch (pin)
+    {
+    case 0:
+        this->dac0.writeDAC(value);
+        break;
+    case 1:
+        this->dac1.writeDAC(value);
+        break;
+    case 2:
+        this->dac2.writeDAC(value);
+        break;
+    case 3:
+        this->dac3.writeDAC(value);
+        break;
     }
 }
-uint16_t AnalogCard::analogRead(uint8_t pin) {
-    if (pin >= 0 && pin <= 3) {
+uint16_t AnalogCard::analogRead(uint8_t pin)
+{
+    if (pin >= 0 && pin <= 3)
+    {
         return this->analogInputBankA.readADC_SingleEnded(pin);
-    } else if (pin >= 4 && pin <= 7) {
+    }
+    else if (pin >= 4 && pin <= 7)
+    {
         return this->analogInputBankB.readADC_SingleEnded(pin - 4);
     }
 }
-void AnalogCard::begin() {
+void AnalogCard::begin()
+{
     this->dac0 = MCP4725(DAC0_ADDRESS);
     this->dac1 = MCP4725(DAC1_ADDRESS);
     this->dac2 = MCP4725(DAC2_ADDRESS);
diff --git a/Template Project/src/cardsdemo.cpp b/Template Project/src/cardsdemo.cpp
index c7bc690..f0c1ca5 100644
--- a/Template Project/src/cardsdemo.cpp	
+++ b/Template Project/src/cardsdemo.cpp	
@@ -1,19 +1,38 @@
 #include <ESPMegaPRO.h>
 #include <DigitalInputCard.hpp>
 #include <DigitalOutputCard.hpp>
+#include <AnalogCard.hpp>
 
-DigitalInputCard icard = DigitalInputCard(0x20, 0x21);
+// This code demonstrates how to use the cards
 
+DigitalInputCard icard = DigitalInputCard(0x21, 0x22);
+DigitalOutputCard ocard = DigitalOutputCard(0x5F);
+AnalogCard acard = AnalogCard();
 
 void setup() {
   Serial.begin(115200);
   // Instantiate Input Card
   icard.begin();
+  // Instantiate Output Card
+  ocard.begin();
+  // Instantiate Analog Card
+  acard.begin();
+  // Set output 0 to 4095
+  ocard.analogWrite(0, 4095);
 }
 
 void loop() {
   // put your main code here, to run repeatedly:
   for (int i = 0; i < 16; i++) {
+    Serial.print("Input ");
+    Serial.print(i);
+    Serial.print(": ");
     Serial.print(icard.digitalRead(i));
+    Serial.println();
   }
+  // Pad the output
+  Serial.println();
+  Serial.println();
+  // Delay for 1 second
+  delay(1000);
 }
\ No newline at end of file