diff --git a/02LogisticAR/LogisticAR.ino b/02LogisticAR/LogisticAR.ino
deleted file mode 100644
index f764b67..0000000
--- a/02LogisticAR/LogisticAR.ino
+++ /dev/null
@@ -1,41 +0,0 @@
-// Basic demo for configuring the MCP4728 4-Channel 12-bit I2C DAC
-#include <Adafruit_MCP4728.h>
-#include <Wire.h>
-
-Adafruit_MCP4728 mcp;
-
-float xlog = 0.5;
-float r = 3.783423;
-
-void setup(void) {
-  Serial.begin(115200);
-  while (!Serial)
-    delay(10); // will pause Zero, Leonardo, etc until serial console opens
-
-  Serial.println("Adafruit MCP4728 test!");
-
-  // Try to initialize!
-  if (!mcp.begin(0x64)) {
-    Serial.println("Failed to find MCP4728 chip");
-    while (1) {
-      delay(10);
-    }
-  }
-
-  mcp.setChannelValue(MCP4728_CHANNEL_A, 4095);
-  mcp.setChannelValue(MCP4728_CHANNEL_B, 2048);
-  mcp.setChannelValue(MCP4728_CHANNEL_C, 1024);
-  mcp.setChannelValue(MCP4728_CHANNEL_D, 0);
-
-
-}
-
-
-void loop() {
-  int pot = analogRead(A0);
-  r = (float)pot / 1024.0 + 3.0;
-  xlog = r * xlog * (1 - xlog);
-  int cv = round(xlog * 4095.0);  
-  mcp.setChannelValue(MCP4728_CHANNEL_A, cv);
-//  delay(100);
-}