diff --git a/src/Dezibot.cpp b/src/Dezibot.cpp
index 509f068..3285444 100644
--- a/src/Dezibot.cpp
+++ b/src/Dezibot.cpp
@@ -19,21 +19,33 @@
 // On an arduino MEGA 2560: 20(SDA), 21(SCL)
 // On an arduino LEONARDO:   2(SDA),  3(SCL), ...
 #define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
-#define SCREEN_ADDRESS 0x3D ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
+#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
+
 Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
 
 #define GPIO_LED 48
 
 void Dezibot::begin(void) {
     Adafruit_NeoPixel ledStrip = Adafruit_NeoPixel(3, GPIO_LED, NEO_GRB + NEO_KHZ800);
+    Wire.begin(1, 2);
     if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
-        Serial.println(F("SSD1306 allocation failed"));
+        Serial.println("SSD1306 allocation failed");
         for (;;); // Don't proceed, loop forever
     }
 
+    display.display();
+    vTaskDelay(2000);
     display.clearDisplay();
+    vTaskDelay(2000);
+
+    // Draw a single pixel in white
     display.drawPixel(10, 10, SSD1306_WHITE);
 
+    // Show the display buffer on the screen. You MUST call display() after
+    // drawing commands to make them visible on screen!
+    display.display();
+    vTaskDelay(2000);
+
     Serial.begin(9600);
     Serial.println("start");
 
@@ -57,5 +69,14 @@ void Dezibot::begin(void) {
 
         Serial.println(time_us);
 
+        display.clearDisplay();
+
+        display.setTextSize(2); // Draw 2X-scale text
+        display.setTextColor(SSD1306_WHITE);
+        display.setCursor(10, 0);
+        display.println(F("scroll"));
+        display.display();      // Show initial text
+        vTaskDelay(1000);
+
     }
 }
\ No newline at end of file