diff --git a/offok/offok.ino b/offok/offok.ino
deleted file mode 100644
index 670846d..0000000
--- a/offok/offok.ino
+++ /dev/null
@@ -1,173 +0,0 @@
-/*--------------------------------------------------------------*/
-/*  Projet: OFFOK                                               */
-/*  File  : offok.ino                                           */
-/*  Author: ukjent@HPP                                 04/05/21 */
-/*--------------------------------------------------------------*/
-/*
-This gets IR codes send by a TvBeGone & displays results on OLED
-02/14/21: First proof of IR sensor & Oled
-02/17/21: Moved to new lib U8g2lib, works OK on UNO
-04/05/21: OK on NANO
-04/22/21: new logo, display hex code, test piezo
-TODO: adjust delays, play nice ringstones, use protothreads ?
-*/
-#include <Arduino.h>
-/*
-    Graphics settings  
-*/
-#include <U8g2lib.h>
-#ifdef U8X8_HAVE_HW_SPI
-#include <SPI.h>
-#endif
-#ifdef U8X8_HAVE_HW_I2C
-#include <Wire.h>
-#endif
-U8G2_SH1106_128X64_NONAME_1_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);
-#include "logo.h"  // Home logo :-)
-/*
-    IR settings  
-*/
-#include <IRremote.h>
-/*    the function tone() uses timer2 by default, so does IRremote lib.
- *    File IRremoteBoardDefs.h, in lib IRremote define wich timer to use */
-// #define IR_USE_TIMER1   // use Timer 1 instead of Timer 2
-const int RECV_PIN = 2;
-IRrecv irrecv(RECV_PIN);
-decode_results results;
-
-//#define DEBUG
-#define NBCODES 130     // mininum codes to qualify a kit
-#define ACQUINONE 4000  // maximum time allowed without signal in millisecond
-/*
- *    Sound settings
- */
-#define PIEZO  7
-unsigned int sounds[] = {262,294,330,349,392,440,494}; // just to test piezo
-#define BEATTIME  400
-
-void drawLogo(void) {  // draw the logo screen
-  u8g2.firstPage();
-  do {
-    u8g2.drawXBMP( 0, 0, logo_width, logo_height, logo_bits);
-  } while ( u8g2.nextPage() );
-}
-
-void setup(void) { 
-  noTone(PIEZO); // WIP musical intro needed :-)
-  u8g2.begin(); 
-  drawLogo();
-#ifdef DEBUG   
-  Serial.begin(9600);
-#endif  
-  irrecv.enableIRIn(); // Start the receiver
-  delay(1000); 
-}
-
-void showTrace();
-
-void constratSlope(int depart, int aim, int inc, int lag) { // Dimmer slope up or down
-  int i=depart; 
-  if (inc > 0) u8g2.setPowerSave(0);
-  do {
-    i=constrain(i,0,254);
-    u8g2.setContrast(i);
-    delay (lag);
-    i=i+inc;
-  } while (i != aim);
-  if (inc < 0) u8g2.setPowerSave(1);
-}
-void showResult(int val){
-  char l1[8]; 
-  sprintf(l1, "%4d",val); 
-  u8g2.firstPage();
-  do {
-    u8g2.setFont(u8g2_font_profont17_tr);
-    u8g2.drawStr(10,24, "Total recus :");
-    u8g2.setFont(u8g2_font_profont22_tr);
-    u8g2.drawStr(30,54, l1);
-  } while ( u8g2.nextPage() );
-  for (int i=0; i<=6; i++) {
-   tone(PIEZO,sounds[i]);
-   delay(BEATTIME);
-   noTone(PIEZO);
-  }   
-}
-void showResultOLD(int val){
- char l1[16],l2[16]; 
-  if (val < NBCODES) {
-    sprintf(l1, "C'est KO :-(") ;
-    sprintf(l2, "    DESOLE");     
-  } else {
-    sprintf(l1, "C'est OK :-)") ;
-    sprintf(l2, "FELICITATION");  
-  }
-  u8g2.firstPage();
-  do {
-    u8g2.setFont(u8g2_font_fub14_tr);
-    u8g2.drawStr(4,24, l1);
-    u8g2.setFont(u8g2_font_fub11_tr);
-    u8g2.drawStr(8,54, l2);
-  } while ( u8g2.nextPage() );
-}
-
-void showCode(unsigned long val) {
-  char buf[16];
-  u8g2.firstPage();
-  do {
-    u8g2.setFont(u8g2_font_profont17_tr);
-    u8g2.drawStr(16,24, "Code recu :");
-    sprintf(buf, "%08X", val ) ;
-    u8g2.setFont(u8g2_font_profont22_tr);
-    u8g2.drawStr(16,54,buf);
-  } while ( u8g2.nextPage() );  
-}
-
-void showCount(int val) {
-  char buf[16];
-    u8g2.firstPage();
-    do {
-      u8g2.setFont(u8g2_font_fub14_tr);
-      u8g2.drawStr(12,28,"Codes lus :");
-      sprintf(buf, "%3d", val ) ;
-      u8g2.setFont(u8g2_font_fub20_tr);
-      u8g2.drawStr(40,60,buf);
-    } while ( u8g2.nextPage() );  
-}
-
-
-// Global parameters
-int cl=0; unsigned long lastReading=0, currentt=0;
-
-void loop(void) {
-  noTone(PIEZO);
-  if (irrecv.decode(&results)) { // if we keep getting signals, it is running
-    lastReading=millis();
-    cl += 1;
-    showCode(results.value); //showCount(cl);
-    irrecv.resume();  
-  } 
-  else    // got no more reading
-  {       // if we keep getting nothing, then it is over  
-    currentt = millis();
-    if ((lastReading + ACQUINONE < currentt) && ( cl > 0)) { // lastReading too old
-      showTrace();
-      showResult(cl); cl = 0; 
-      constratSlope(255, 0, -1, 50);
-      delay(3000);
-      drawLogo(); 
-      constratSlope(0, 255, 1, 20);
-    }
-  }
- 
-} // loop
-
-void showTrace() { 
-#ifdef DEBUG  
-  Serial.print("OK cl : ");
-  Serial.print(cl);
-  Serial.print("  currentt : ");
-  Serial.print(currentt);
-  Serial.print(" lastReading : ");
-  Serial.println(lastReading); 
-#endif   
-}
\ No newline at end of file