diff --git a/Semaine 1/Distance_display_led/distance_display_led.v b/Semaine 1/Distance_display_led/distance_display_led.v
new file mode 100644
index 0000000..701489a
--- /dev/null
+++ b/Semaine 1/Distance_display_led/distance_display_led.v	
@@ -0,0 +1,29 @@
+module distance_display_led (
+    input wire [8:0] distance,
+    output reg [5:0] leds
+);
+
+    // Constante
+    parameter MIN_DIST = 2;
+    parameter MAX_DIST = 349;
+    parameter LEVELS = 5;
+    parameter PART_SIZE = (MAX_DIST - MIN_DIST + 1) / LEVELS;
+
+    always @(*) begin
+        if (distance <= MIN_DIST + PART_SIZE*0)
+            leds = 6'b111111;
+        else if (distance <= MIN_DIST + PART_SIZE*1)
+            leds = 6'b111110;
+        else if (distance <= MIN_DIST + PART_SIZE*2)
+            leds = 6'b111100;
+        else if (distance <= MIN_DIST + PART_SIZE*3)
+            leds = 6'b111000;
+        else if (distance <= MIN_DIST + PART_SIZE*4)
+            leds = 6'b110000;
+        else if (distance <= MIN_DIST + PART_SIZE*5)
+            leds = 6'b100000;
+        else
+            leds = 6'b000000; 
+    end
+
+endmodule
\ No newline at end of file
diff --git a/Semaine 1/Distance_display_led/distance_display_led.vcd b/Semaine 1/Distance_display_led/distance_display_led.vcd
new file mode 100644
index 0000000..048cabc
--- /dev/null
+++ b/Semaine 1/Distance_display_led/distance_display_led.vcd	
@@ -0,0 +1,212 @@
+$date
+	Wed Apr 16 14:03:22 2025
+$end
+$version
+	Icarus Verilog
+$end
+$timescale
+	1s
+$end
+$scope module tb_distance_display_led $end
+$var wire 6 ! leds [5:0] $end
+$var reg 9 " distance [8:0] $end
+$var integer 32 # i [31:0] $end
+$scope module uut $end
+$var wire 9 $ distance [8:0] $end
+$var parameter 32 % LEVELS $end
+$var parameter 32 & MAX_DIST $end
+$var parameter 32 ' MIN_DIST $end
+$var parameter 34 ( PART_SIZE $end
+$var reg 6 ) leds [5:0] $end
+$upscope $end
+$upscope $end
+$enddefinitions $end
+$comment Show the parameter values. $end
+$dumpall
+b1000101 (
+b10 '
+b101011101 &
+b101 %
+$end
+#0
+$dumpvars
+b111111 )
+b0 $
+b0 #
+b0 "
+b111111 !
+$end
+#10
+b111110 !
+b111110 )
+b1010 "
+b1010 $
+b1010 #
+#20
+b10100 "
+b10100 $
+b10100 #
+#30
+b11110 "
+b11110 $
+b11110 #
+#40
+b101000 "
+b101000 $
+b101000 #
+#50
+b110010 "
+b110010 $
+b110010 #
+#60
+b111100 "
+b111100 $
+b111100 #
+#70
+b1000110 "
+b1000110 $
+b1000110 #
+#80
+b111100 !
+b111100 )
+b1010000 "
+b1010000 $
+b1010000 #
+#90
+b1011010 "
+b1011010 $
+b1011010 #
+#100
+b1100100 "
+b1100100 $
+b1100100 #
+#110
+b1101110 "
+b1101110 $
+b1101110 #
+#120
+b1111000 "
+b1111000 $
+b1111000 #
+#130
+b10000010 "
+b10000010 $
+b10000010 #
+#140
+b10001100 "
+b10001100 $
+b10001100 #
+#150
+b111000 !
+b111000 )
+b10010110 "
+b10010110 $
+b10010110 #
+#160
+b10100000 "
+b10100000 $
+b10100000 #
+#170
+b10101010 "
+b10101010 $
+b10101010 #
+#180
+b10110100 "
+b10110100 $
+b10110100 #
+#190
+b10111110 "
+b10111110 $
+b10111110 #
+#200
+b11001000 "
+b11001000 $
+b11001000 #
+#210
+b110000 !
+b110000 )
+b11010010 "
+b11010010 $
+b11010010 #
+#220
+b11011100 "
+b11011100 $
+b11011100 #
+#230
+b11100110 "
+b11100110 $
+b11100110 #
+#240
+b11110000 "
+b11110000 $
+b11110000 #
+#250
+b11111010 "
+b11111010 $
+b11111010 #
+#260
+b100000100 "
+b100000100 $
+b100000100 #
+#270
+b100001110 "
+b100001110 $
+b100001110 #
+#280
+b100000 !
+b100000 )
+b100011000 "
+b100011000 $
+b100011000 #
+#290
+b100100010 "
+b100100010 $
+b100100010 #
+#300
+b100101100 "
+b100101100 $
+b100101100 #
+#310
+b100110110 "
+b100110110 $
+b100110110 #
+#320
+b101000000 "
+b101000000 $
+b101000000 #
+#330
+b101001010 "
+b101001010 $
+b101001010 #
+#340
+b101010100 "
+b101010100 $
+b101010100 #
+#350
+b0 !
+b0 )
+b101011110 "
+b101011110 $
+b101011110 #
+#360
+b101101000 "
+b101101000 $
+b101101000 #
+#370
+b101110010 "
+b101110010 $
+b101110010 #
+#380
+b101111100 "
+b101111100 $
+b101111100 #
+#390
+b110000110 "
+b110000110 $
+b110000110 #
+#400
+b110010000 "
+b110010000 $
+b110010000 #
+#410
+b110011010 #
diff --git a/Semaine 1/Distance_display_led/distance_display_led_sim b/Semaine 1/Distance_display_led/distance_display_led_sim
new file mode 100644
index 0000000..9234c38
--- /dev/null
+++ b/Semaine 1/Distance_display_led/distance_display_led_sim	
@@ -0,0 +1,123 @@
+#! 
+:ivl_version "13.0 (devel)" "(s20250103-31-g7e238e7ca-dirty)";
+:ivl_delay_selection "TYPICAL";
+:vpi_time_precision + 0;
+:vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\system.vpi";
+:vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\vhdl_sys.vpi";
+:vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\vhdl_textio.vpi";
+:vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\v2005_math.vpi";
+:vpi_module "C:\Users\louis\BUT2\Verilog\OSS-CA~1\lib\ivl\va_math.vpi";
+S_000001b2514bb620 .scope module, "tb_distance_display_led" "tb_distance_display_led" 2 1;
+ .timescale 0 0;
+v000001b2514bbe50_0 .var "distance", 8 0;
+v000001b2514bbef0_0 .var/i "i", 31 0;
+v000001b2515d8150_0 .net "leds", 5 0, v000001b2514be0e0_0;  1 drivers
+S_000001b2514bbb30 .scope module, "uut" "distance_display_led" 2 5, 3 1 0, S_000001b2514bb620;
+ .timescale 0 0;
+    .port_info 0 /INPUT 9 "distance";
+    .port_info 1 /OUTPUT 6 "leds";
+P_000001b2514bbcc0 .param/l "LEVELS" 0 3 9, +C4<00000000000000000000000000000101>;
+P_000001b2514bbcf8 .param/l "MAX_DIST" 0 3 8, +C4<00000000000000000000000101011101>;
+P_000001b2514bbd30 .param/l "MIN_DIST" 0 3 7, +C4<00000000000000000000000000000010>;
+P_000001b2514bbd68 .param/l "PART_SIZE" 0 3 10, +C4<0000000000000000000000000001000101>;
+v000001b2514bbdb0_0 .net "distance", 8 0, v000001b2514bbe50_0;  1 drivers
+v000001b2514be0e0_0 .var "leds", 5 0;
+E_000001b2515c8c00 .event anyedge, v000001b2514bbdb0_0;
+    .scope S_000001b2514bbb30;
+T_0 ;
+    %wait E_000001b2515c8c00;
+    %load/vec4 v000001b2514bbdb0_0;
+    %pad/u 34;
+    %cmpi/u 2, 0, 34;
+    %flag_or 5, 4;
+    %jmp/0xz  T_0.0, 5;
+    %pushi/vec4 63, 0, 6;
+    %store/vec4 v000001b2514be0e0_0, 0, 6;
+    %jmp T_0.1;
+T_0.0 ;
+    %load/vec4 v000001b2514bbdb0_0;
+    %pad/u 34;
+    %cmpi/u 71, 0, 34;
+    %flag_or 5, 4;
+    %jmp/0xz  T_0.2, 5;
+    %pushi/vec4 62, 0, 6;
+    %store/vec4 v000001b2514be0e0_0, 0, 6;
+    %jmp T_0.3;
+T_0.2 ;
+    %load/vec4 v000001b2514bbdb0_0;
+    %pad/u 34;
+    %cmpi/u 140, 0, 34;
+    %flag_or 5, 4;
+    %jmp/0xz  T_0.4, 5;
+    %pushi/vec4 60, 0, 6;
+    %store/vec4 v000001b2514be0e0_0, 0, 6;
+    %jmp T_0.5;
+T_0.4 ;
+    %load/vec4 v000001b2514bbdb0_0;
+    %pad/u 34;
+    %cmpi/u 209, 0, 34;
+    %flag_or 5, 4;
+    %jmp/0xz  T_0.6, 5;
+    %pushi/vec4 56, 0, 6;
+    %store/vec4 v000001b2514be0e0_0, 0, 6;
+    %jmp T_0.7;
+T_0.6 ;
+    %load/vec4 v000001b2514bbdb0_0;
+    %pad/u 34;
+    %cmpi/u 278, 0, 34;
+    %flag_or 5, 4;
+    %jmp/0xz  T_0.8, 5;
+    %pushi/vec4 48, 0, 6;
+    %store/vec4 v000001b2514be0e0_0, 0, 6;
+    %jmp T_0.9;
+T_0.8 ;
+    %load/vec4 v000001b2514bbdb0_0;
+    %pad/u 34;
+    %cmpi/u 347, 0, 34;
+    %flag_or 5, 4;
+    %jmp/0xz  T_0.10, 5;
+    %pushi/vec4 32, 0, 6;
+    %store/vec4 v000001b2514be0e0_0, 0, 6;
+    %jmp T_0.11;
+T_0.10 ;
+    %pushi/vec4 0, 0, 6;
+    %store/vec4 v000001b2514be0e0_0, 0, 6;
+T_0.11 ;
+T_0.9 ;
+T_0.7 ;
+T_0.5 ;
+T_0.3 ;
+T_0.1 ;
+    %jmp T_0;
+    .thread T_0, $push;
+    .scope S_000001b2514bb620;
+T_1 ;
+    %vpi_call 2 13 "$dumpfile", "distance_display_led.vcd" {0 0 0};
+    %vpi_call 2 14 "$dumpvars", 32'sb00000000000000000000000000000000, S_000001b2514bb620 {0 0 0};
+    %pushi/vec4 0, 0, 32;
+    %store/vec4 v000001b2514bbef0_0, 0, 32;
+T_1.0 ; Top of for-loop
+    %load/vec4 v000001b2514bbef0_0;
+    %cmpi/s 400, 0, 32;
+    %flag_or 5, 4;
+	  %jmp/0xz T_1.1, 5;
+    %load/vec4 v000001b2514bbef0_0;
+    %pad/s 9;
+    %store/vec4 v000001b2514bbe50_0, 0, 9;
+    %delay 10, 0;
+    %vpi_call 2 20 "$display", "Distance: %3d cm => LEDs: %b", v000001b2514bbe50_0, v000001b2515d8150_0 {0 0 0};
+T_1.2 ; for-loop step statement
+    %load/vec4 v000001b2514bbef0_0;
+    %addi 10, 0, 32;
+    %store/vec4 v000001b2514bbef0_0, 0, 32;
+    %jmp T_1.0;
+T_1.1 ; for-loop exit label
+    %vpi_call 2 23 "$finish" {0 0 0};
+    %end;
+    .thread T_1;
+# The file index is used to find the file name in the following table.
+:file_names 4;
+    "N/A";
+    "<interactive>";
+    "tb_distance_display_led.v";
+    "distance_display_led.v";
diff --git a/Semaine 1/Distance_display_led/tb_distance_display_led.v b/Semaine 1/Distance_display_led/tb_distance_display_led.v
new file mode 100644
index 0000000..d8968ca
--- /dev/null
+++ b/Semaine 1/Distance_display_led/tb_distance_display_led.v	
@@ -0,0 +1,26 @@
+module tb_distance_display_led;
+    reg [8:0] distance;
+    wire [5:0] leds;
+
+    distance_display_led uut (
+        .distance(distance),
+        .leds(leds)
+    );
+
+    integer i;
+
+    initial begin
+        $dumpfile("distance_display_led.vcd");
+        $dumpvars(0, tb_distance_display_led);
+
+        // Test de la conversion de distance en LED
+        for (i = 0; i <= 380; i = i + 10) begin
+            distance = i;
+            #10;
+            $display("Distance: %3d cm => LEDs: %b", distance, leds);
+        end
+
+        $finish;
+    end
+
+endmodule
diff --git a/Semaine 1/Ultrasonic/tb_ultrasonic_fpga.v b/Semaine 1/Ultrasonic/tb_ultrasonic_fpga.v
index b2382b6..290f24a 100644
--- a/Semaine 1/Ultrasonic/tb_ultrasonic_fpga.v	
+++ b/Semaine 1/Ultrasonic/tb_ultrasonic_fpga.v	
@@ -7,7 +7,7 @@ module tb_ultrasonic_fpga;
     reg start = 0;
     reg echo = 0;
     wire trig_out;
-    wire [15:0] distance;
+    wire [8:0] distance;
 
     time t_start, t_end;
 
diff --git a/Semaine 1/Ultrasonic/ultrasonic_fpga.v b/Semaine 1/Ultrasonic/ultrasonic_fpga.v
index d854a42..6db6bbe 100644
--- a/Semaine 1/Ultrasonic/ultrasonic_fpga.v	
+++ b/Semaine 1/Ultrasonic/ultrasonic_fpga.v	
@@ -6,7 +6,7 @@ module ultrasonic_fpga #(
     input wire start,           // signal de declenchement 
     input wire echo,            // retour du capteur
     output reg trig_out,        // signal envoye au capteur
-    output reg [15:0] distance  // distance mesuree
+    output reg [8:0] distance  // distance mesuree
 );
 
     reg [2:0] state;