diff --git a/letter_display.lua b/letter_display.lua
index 441ccd6..40a3369 100644
--- a/letter_display.lua
+++ b/letter_display.lua
@@ -1,30 +1,48 @@
 client = mqtt.client("Player", "mqtt.leizour.fr", 8883, true)
 client:connect("student", "O99Rq8$F12NXzhL5caya")
-
 -- CLK (clock) : D15 
 -- DT  (data)  : D2
 -- SW  (Bouton): D4
 -- dir = direction de tournage de l'encodeur
--- counter = nombre de cran tourner
+-- counter = nombre de crans tournés
 -- button = bouton poussoir
 
+playing = false
 mot = ""
 last_clicked = 0
 function action(dir, counter, button)
     cls()
     lettre = string.char((counter % 26)+65)
     if button==1 then
-        if os.time() - last_clicked > 1 then
-            mot = mot..lettre
-            last_clicked = os.time()
-        else 
-            client:publish("pendu/mot", mot, mqtt.QOS0)
-            mot = ""
+        if playing then
+            client:publish("pendu/lettre", lettre, mqtt.QOS0)
+        else
+            if os.time() - last_clicked > 1 then
+                mot = mot..lettre
+                last_clicked = os.time()
+            else 
+                client:publish("pendu/mot", mot, mqtt.QOS0)
+                mot = ""
+            end
         end
     end
     console("Choix lettre : "..lettre)
-    console("Mot : "..mot)
+    if not playing then
+        console("Mot : "..mot)
+    end
 end
 
+function handle_message(len, message, topic_len, topic_name)
+    if topic_name == "pendu/gamestate" then
+        if message == "PLAYING" then
+            playing = true
+        elseif message == "WAITING" then
+            playing = false
+            mot = ""
+        end
+    end
+end
+
+client:subscribe("pendu/gamestate", mqtt.QOS0, handle_message)
 enc = encoder.attach(pio.GPIO15, pio.GPIO2, pio.GPIO4, action)