Added CV and Gate outputs via 2x i2c MCP4725 modules

CV_Test/CV_Test.ino

@@ -0,0 +1,33 @@
+#include <Wire.h>
+#include "MCP4725.h"
+
+MCP4725 DAC1(0x60);
+MCP4725 DAC2(0x61);
+
+float output1 = 0;
+float output2 = 5.1;
+
+void setup() {
+  Wire.begin();
+  DAC1.begin();
+  DAC2.begin();
+  DAC1.setMaxVoltage(5.1);
+  DAC2.setMaxVoltage(5.1);
+}
+
+void loop() {
+  if (output1 < 5.1) {
+    output1 += 0.1;
+  } else {
+    output1 = 0;
+  }
+  DAC1.setVoltage(output1);
+  
+  if (output2 > 0) {
+    output2 -= 0.1;
+  } else {
+    output2 = 5.1;
+  }
+  DAC2.setVoltage(output2);
+  delay(1);
+}