diff --git a/ws2812.c b/ws2812.c
index 90ae250..241a7ee 100644
--- a/ws2812.c
+++ b/ws2812.c
@@ -13,6 +13,8 @@
 uint32_t couleur[13];
 uint32_t buffer_couleur[12];
 
+PIO pio;
+
 struct ws2812_type_gestion_t
 {
     enum led_type_gestion_t led_type_gestion;
@@ -66,7 +68,7 @@ void ws2812_init(){
     couleur[12]=0x00FF00;*/
 
     // initialisation du PIO 
-    PIO pio = pio0;
+    pio = pio1;
     int sm = 0;
     uint offset = pio_add_program(pio, &ws2812_program);
 
@@ -102,7 +104,7 @@ void ws2812_arc_en_ciel(){
 }
 
 static inline void put_pixel(uint32_t pixel_grb) {
-    pio_sm_put_blocking(pio0, 0, pixel_grb << 8u);
+    pio_sm_put_blocking(pio, 0, pixel_grb << 8u);
 }
 
 static inline uint32_t urgb_u32(uint8_t r, uint8_t g, uint8_t b) {
@@ -208,12 +210,9 @@ void ws2812_gestion(void){
             temps_ref =100000;
             nb_cli = 1;
             phase_led =(get_absolute_time() / temps_ref) % (nb_cli*2 + 4) ; 
-            printf(">l:%d\n", phase_led);
             if(phase_led >= nb_cli*2){
                 ws2812_set_buffer(0x000000, led_id);
             }else{
-                printf(">l1:%d\n",phase_led );
-                
                 if(phase_led % 2){
                     ws2812_set_buffer(ws2812_type_gestion[led_id].couleur, led_id);
                 }else{