diff --git a/platformio.ini b/platformio.ini
index a607526..ba2d69f 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -17,8 +17,7 @@ framework = arduino
 lib_ldf_mode = deep
 monitor_speed = 115200
 lib_deps = 
-  /Users/mairas/src/SK/SensESP
-  Adafruit SSD1306
+  SignalK/SensESP
   
 [espressif32_base]
 platform = espressif32
diff --git a/src/main.cpp b/src/main.cpp
index fdc3b4b..9b9da1f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,3 @@
-#include <Adafruit_GFX.h>
-#include <Adafruit_SSD1306.h>
 #include <Arduino.h>
 
 #include "sensesp_app.h"
@@ -10,31 +8,9 @@
 #define SDA_PIN 16
 #define SCL_PIN 17
 
-// Opto in pin on SH-ESP32
-#define OPTO_IN_PIN 35
+#define TX_PIN SCL_PIN
+#define RX_PIN SDA_PIN
 
-// OLED display width and height, in pixels
-#define SCREEN_WIDTH 128
-#define SCREEN_HEIGHT 64
-
-// define temperature display units
-#define TEMP_DISPLAY_FUNC KelvinToCelsius
-//#define TEMP_DISPLAY_FUNC KelvinToFahrenheit
-
-TwoWire* i2c;
-Adafruit_SSD1306* display;
-
-/// Clear a text row on an Adafruit graphics display
-void ClearRow(int row) { display->fillRect(0, 8 * row, SCREEN_WIDTH, 8, 0); }
-
-/**
- * @brief Send Engine Dynamic Parameter data
- *
- * Send engine temperature data using the Engine Dynamic Parameter PGN.
- * All unused fields that are sent with undefined value except the status
- * bit fields are sent as zero. Hopefully we're not resetting anybody's engine
- * warnings...
- */
 
 ReactESP app([]() {
 // Some initialization boilerplate when in debug mode...
@@ -44,29 +20,13 @@ ReactESP app([]() {
 
   SensESPAppBuilder builder;
 
-  sensesp_app = builder.set_hostname("nmea1_test")
+  sensesp_app = builder.set_hostname("vedirect-test")
                     ->set_standard_sensors(NONE)
                     ->get_app();
 
-  // initialize the display
-  i2c = new TwoWire(0);
-  i2c->begin(SDA_PIN, SCL_PIN);
-  display = new Adafruit_SSD1306(SCREEN_WIDTH, SCREEN_HEIGHT, i2c, -1);
-  if (!display->begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
-    debugW("SSD1306 allocation failed");
-  }
-  delay(100);
-  display->setRotation(2);
-  display->clearDisplay();
-  display->setTextSize(1);
-  display->setTextColor(SSD1306_WHITE);
-  display->setCursor(0, 0);
-  display->printf("Host: %s", sensesp_app->get_hostname().c_str());
-  display->display();
-
   // initialize Serial1 on the opto_in pin
 
-  Serial1.begin(4800, SERIAL_8N1, OPTO_IN_PIN, -1, true);
+  Serial1.begin(19200, SERIAL_8N1, RX_PIN, TX_PIN, false);
 
   app.onAvailable(Serial1, []() {
     Serial.write(Serial1.read());