diff --git a/firmware/main/hardware.cpp b/firmware/main/hardware.cpp
index 3807d3c..7e9788d 100644
--- a/firmware/main/hardware.cpp
+++ b/firmware/main/hardware.cpp
@@ -4,7 +4,7 @@
 #include "hardware.h"
 #include "XGZP.h"
 
-bool simulating = false;
+bool simulating = true;
 double simulatedPressure = 0.0;
 double inflatePSIPerSecond = 0.0;
 double deflatePSIPerSecond = 0.0;
diff --git a/firmware/main/main.ino b/firmware/main/main.ino
index fec16d6..346f103 100644
--- a/firmware/main/main.ino
+++ b/firmware/main/main.ino
@@ -1,11 +1,20 @@
+// Tire Inflation Firmware
+//
+// Board: Adafruit Feather nRF52832
+// Setup: https://learn.adafruit.com/bluefruit-nrf52-feather-learning-guide/arduino-bsp-setup
+
 #include <Wire.h>
 #include <Adafruit_GFX.h>
 #include <Adafruit_SSD1306.h>
-#include <Adafruit_FeatherOLED.h>
+#include <Adafruit_FeatherOLED.h>  // make sure to add:
+                                   // #define VBATPIN 0
+                                   // #define VBAT_MULTIPLIER 0
+                                   // to Adafruit_FeatherOLED.cpp
+                                   // or Adafruit_FeatherOLED_SH110X.cpp
 
 #include "hardware.h"
 
-//#define SIMULATE 1
+#define SIMULATE 1
 #define DEBUG 0
 
 #define TIMEOUT_TIME 7000
@@ -130,8 +139,8 @@ void logData() {
 	static unsigned long lastLogTime = millis();
 
 	if (millis() > lastLogTime + 100) {
-		Serial.print("millis: ");
-		Serial.print(millis());
+		//Serial.print("millis: ");
+		//Serial.print(millis());
 		Serial.print(", pressure: ");
 		Serial.print(pressureValue);
 #ifdef SIMULATE
@@ -140,8 +149,8 @@ void logData() {
 #endif
 		Serial.print(", sampled: ");
 		Serial.print(sampledPressure);
-		Serial.print(", rate (inv): ");
-		Serial.print(runningRateInv);
+		//Serial.print(", rate (inv): ");
+		//Serial.print(runningRateInv);
 		Serial.print(", setpoint: ");
 		Serial.print(pressureSetPoint);
 		Serial.print(", state: ");
@@ -309,17 +318,17 @@ void runStateMachine() {
 
 				runningRateInv = (stopTime - startTime) / (sampledPressure - initialPressure);
 
-				Serial.print("stopTime: ");
-				Serial.print(stopTime);
-				Serial.print(", startTime: ");
-				Serial.print(startTime);
-				Serial.print(", sampledPressure: ");
-				Serial.print(sampledPressure);
-				Serial.print(", initialPressure: ");
-				Serial.print(initialPressure);
-				Serial.print(", rate: ");
-				Serial.print(runningRateInv);
-				Serial.println("");
+				//Serial.print("stopTime: ");
+				//Serial.print(stopTime);
+				//Serial.print(", startTime: ");
+				//Serial.print(startTime);
+				//Serial.print(", sampledPressure: ");
+				//Serial.print(sampledPressure);
+				//Serial.print(", initialPressure: ");
+				//Serial.print(initialPressure);
+				//Serial.print(", rate: ");
+				//Serial.print(runningRateInv);
+				//Serial.println("");
 
 				initialPressure = sampledPressure;