diff --git a/CMakeLists.txt b/CMakeLists.txt
index f0d0c58..cf5af44 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@
 cmake_minimum_required(VERSION 3.20)
 
 # Change your executable name to something creative!
-set(NAME badger-project)
+set(NAME badger-2fa)
 
 # include the dependencies
 include(pimoroni_pico_import.cmake)
@@ -19,6 +19,6 @@ add_subdirectory(pimoroni-pico)
 # add_subdirectory(<dependency-directory-name>) # <- add more dependencies like this
 
 # add the project as a subdirectory after bootstrapping
-add_subdirectory(programexample)
+add_subdirectory(otpgen)
 # add_subdirectory(<program-directory-name>) # <- add more programs like this
 
diff --git a/programexample/CMakeLists.txt b/otpgen/CMakeLists.txt
similarity index 80%
rename from programexample/CMakeLists.txt
rename to otpgen/CMakeLists.txt
index 4ce5fd5..49a1d5c 100644
--- a/programexample/CMakeLists.txt
+++ b/otpgen/CMakeLists.txt
@@ -1,12 +1,16 @@
 # rename your project
-project(programexample C CXX)
+project(otpgen C CXX)
+
 
 # Initialize the SDK
 pico_sdk_init() 
 
+
 # Add your source files
 add_executable(${PROJECT_NAME}
-    main.cpp # <-- Add source files here!
+    main.cpp
+    topt.cpp
+    sha1.cpp
 )
 
 # set pico specific options
@@ -21,7 +25,7 @@ pico_enable_stdio_usb(${PROJECT_NAME} 0)
 target_link_libraries(${PROJECT_NAME}
     pico_stdlib
     hardware_spi
-    badger2040 # <-- List libraries here!
+    badger2040
 )
 
 
@@ -30,4 +34,6 @@ pico_enable_stdio_usb(${PROJECT_NAME} 1)
 pico_add_extra_outputs(${PROJECT_NAME})
 
 # include source directories if needed
-include_directories(../pimoroni-pico)
+include_directories(../pimoroni-pico )
+
+
diff --git a/programexample/main.cpp b/programexample/main.cpp
deleted file mode 100644
index 51f7585..0000000
--- a/programexample/main.cpp
+++ /dev/null
@@ -1,109 +0,0 @@
-// Example fetched from:
-// https://github.com/pimoroni/pimoroni-pico/tree/main/examples/badger2040
-
-#include <stdio.h>
-
-#include <algorithm>
-#include <cstring>
-#include <string>
-
-#include "badger2040.hpp"
-#include "common/pimoroni_common.hpp"
-#include "pico/platform.h"
-#include "pico/stdlib.h"
-#include "pico/time.h"
-
-using namespace pimoroni;
-
-Badger2040 badger;
-
-uint32_t time() {
-  absolute_time_t t = get_absolute_time();
-  return to_ms_since_boot(t);
-}
-
-std::array<std::string, 8> font_names = {"sans",       "sans_bold",    "gothic",
-                                         "cursive",    "cursive_bold", "serif",
-                                         "serif_bold", "serif_italic"};
-int8_t selected_font = 0;
-
-void draw() {
-  badger.pen(15);
-  badger.clear();
-
-  badger.font("sans");
-  for (int i = 0; i < int(font_names.size()); i++) {
-    std::string name = font_names[i];
-
-    if (selected_font == i) {
-      badger.pen(0);
-      badger.rectangle(0, i * 16, 80, 16);
-      badger.pen(15);
-    } else {
-      badger.pen(0);
-    }
-
-    badger.text(name, 2, i * 16 + 7, 0.4f);
-  }
-
-  badger.font(font_names[selected_font]);
-  badger.thickness(2);
-  badger.text("The quick", 90, 10, 0.80f);
-  badger.text("brown fox", 90, 32, 0.80f);
-  badger.text("jumped over", 90, 54, 0.80f);
-  badger.text("the lazy dog.", 90, 76, 0.80f);
-  badger.text("0123456789", 90, 98, 0.80f);
-  badger.text("!\"£$%^&*()", 90, 120, 0.80f);
-  badger.thickness(1);
-
-  badger.update();
-}
-
-int main() {
-  stdio_init_all();
-
-  sleep_ms(500);
-
-  printf("\n\n=======\nbadger2040 starting up\n\n");
-
-  badger.init();
-  badger.update_speed(1);
-
-  uint32_t i = 0;
-
-  while (true) {
-    printf("> drawing..");
-
-    draw();
-
-    printf("done!\n");
-
-    printf("> waiting for a button press..");
-    badger.wait_for_press();
-    printf("done!\n");
-
-    if (badger.pressed(badger.DOWN)) {
-      printf("> down pressed\n");
-      selected_font++;
-    }
-
-    if (badger.pressed(badger.UP)) {
-      printf("> up pressed\n");
-      selected_font--;
-    }
-
-    if (badger.pressed(badger.C)) {
-      printf("> C pressed\n");
-      badger.halt();
-    }
-
-    selected_font =
-        selected_font < 0 ? int(font_names.size()) - 1 : selected_font;
-    selected_font = selected_font >= int(font_names.size()) ? 0 : selected_font;
-
-    printf("> newly selected font is %s (%d)\n",
-           font_names[selected_font].c_str(), selected_font);
-
-    i++;
-  }
-}