diff --git a/Minid1 OLED/hauteur_eau/station_mesure/init.lua b/Minid1 OLED/hauteur_eau/station_mesure/init.lua
index 0ef4437..12fc17b 100644
--- a/Minid1 OLED/hauteur_eau/station_mesure/init.lua	
+++ b/Minid1 OLED/hauteur_eau/station_mesure/init.lua	
@@ -13,6 +13,6 @@ disp_oled()
 
 --dofile("wifi_ap_start.lua")
 --dofile("telnet_srv.lua")
---dofile("start_demo.lua")
+dofile("start_demo.lua")
 
 end)
diff --git a/Minid1 OLED/hauteur_eau/station_mesure/start_demo.lua b/Minid1 OLED/hauteur_eau/station_mesure/start_demo.lua
index c320ba5..70d3c7d 100644
--- a/Minid1 OLED/hauteur_eau/station_mesure/start_demo.lua	
+++ b/Minid1 OLED/hauteur_eau/station_mesure/start_demo.lua	
@@ -1,12 +1,24 @@
 -- Permet de démarrer une petite démo simplement via telnet
-print("\n start_demo1.lua   zf180826.1753   \n")
+print("\n start_demo1.lua   zf180826.2213   \n")
 
 dofile("disp_oled.lua")
 
-oled_line1="abcdefghijklmnop"
-oled_line2="abcdefghijklmnop"
-oled_line3="abcdefghijklmnop"
-oled_line4="abcdefghijklmnop"
-oled_line5="abcdefghijklmnop"
-
+oled_line1="DEMO"
+oled_line2=""
+oled_line3=""
+oled_line4=""
+oled_line5=""
 disp_oled()
+
+function disp_mesure ()
+    print(zlength)    
+    oled_line1=zlength.." m"
+    oled_line2=""
+    oled_line3=""
+    oled_line4=""
+    oled_line5="180826.2213"
+    disp_oled()
+end
+
+dofile("ultra_son.lua")
+tmr.alarm(detectortimer1, 1000, tmr.ALARM_AUTO, zmesure_pulse)
diff --git a/Minid1 OLED/hauteur_eau/station_mesure/ultra_son.lua b/Minid1 OLED/hauteur_eau/station_mesure/ultra_son.lua
new file mode 100644
index 0000000..5cac1a0
--- /dev/null
+++ b/Minid1 OLED/hauteur_eau/station_mesure/ultra_son.lua	
@@ -0,0 +1,38 @@
+-- Mesure la distance avec le module ultra-son
+print("\n ultra_son.lua   zf180826.1837   \n")
+
+
+--Parametres pour le module ultra son 
+ztrig=5
+zecho=6
+zlength=0
+gpio.mode(ztrig, gpio.OUTPUT)
+gpio.write(ztrig, gpio.LOW)
+gpio.mode(zecho, gpio.INT, gpio.PULLUP)
+detectortimer1=tmr.create() 
+detectortimer2=tmr.create()
+
+--Function pour faire envoyer la pulse
+function zmesure_pulse()
+    gpio.write(ztrig, gpio.HIGH)
+    tmr.delay(10)
+    gpio.write(ztrig, gpio.LOW)
+end
+
+--Fonction pour mesurer la pulse
+function zmesure()
+    if gpio.read(zecho)==1 then 
+        ultra_son_start=tmr.now()
+    else
+        ultra_son_stop=tmr.now()
+        zlength=math.floor(360*(ultra_son_stop-ultra_son_start)/2/10000)/100
+        if zlength>6 then zlength=0 end
+        disp_mesure()
+--        print(zlength)
+    end
+
+end
+
+gpio.trig(zecho,"both",zmesure)
+--tmr.alarm(detectortimer1, 1000, tmr.ALARM_AUTO, zmesure_pulse)
+
diff --git a/bug1.lua b/bug1.lua
new file mode 100644
index 0000000..ffb2fd1
--- /dev/null
+++ b/bug1.lua
@@ -0,0 +1,8 @@
+
+function toto ()
+    print("toto")
+end
+
+tototututiti=tmr.create() 
+
+tmr.alarm(tototututiti, 1000, tmr.ALARM_AUTO, toto)
diff --git a/bug2.lua b/bug2.lua
new file mode 100644
index 0000000..db3a454
--- /dev/null
+++ b/bug2.lua
@@ -0,0 +1,16 @@
+
+duration1 = 300    --> en ms
+duration2 = 1000    --> en ms
+
+
+function LED1 ()
+    print("led1")
+end
+
+function LED2 ()
+    print("led2")
+end
+
+
+tmr.alarm(1, duration1, tmr.ALARM_AUTO, LED1)
+--tmr.alarm(2, duration2, tmr.ALARM_AUTO, LED2)
\ No newline at end of file