diff --git a/Mesures/ADC/ADS1115/0_ads1115.lua b/Mesures/ADC/ADS1115/0_ads1115.lua
new file mode 100644
index 0000000..418f26e
--- /dev/null
+++ b/Mesures/ADC/ADS1115/0_ads1115.lua
@@ -0,0 +1,39 @@
+-- Lit le le petit convertisseur ADC ADS1115
+
+function readADS1115()
+    if verbose then print("\n 0_ads1115.lua   zf200126.1525 \n") end
+    
+    id = 0   sda = 5   scl = 6   addr = 0x48
+    
+    i2c.setup(id, sda, scl, i2c.SLOW)   sda = nil   scl = nil
+
+    function read_ADS1115(ADCnum)
+        ads1115.reset()
+        adc1 = ads1115.ads1115(id, addr)
+        
+        -- single shot
+        adc1:setting(ads1115.GAIN_6_144V, ads1115.DR_128SPS, ads1115.SINGLE_0, ads1115.SINGLE_SHOT)
+        -- start adc conversion and get result in callback after conversion is ready
+        adc1:startread(function(volt, volt_dec, adc, sign) print(volt, volt_dec, adc, sign) end)
+        
+    
+    end
+
+--[[
+if verbose then print("ADC0: "..read_ADS1115(0).." V") end
+
+    id=nil sda=nil scl=nil addr=nil HUMIDITY=nil TEMPERATURE=nil r=nil
+    read_HTU21D=nil readTemp=nil readHumi=nil readHTU21D=nil
+]]
+    if verbose then print(node.heap()) end
+    collectgarbage()
+    if verbose then print(node.heap()) end
+end
+
+readADS1115()
+read_ADS1115(0)
+
+--[[
+read_ADS1115(0)
+
+]]
diff --git a/Mesures/ADC/ADS1115/0_htu21d.lua b/Mesures/ADC/ADS1115/0_htu21d.lua
deleted file mode 100644
index 4eff8ae..0000000
--- a/Mesures/ADC/ADS1115/0_htu21d.lua
+++ /dev/null
@@ -1,43 +0,0 @@
--- Lit le capteur I2C HTU21D de mesure d'humidité et de température
--- https://github.com/zuzu59/NodeMCU_Lua/tree/master/Mesures/humidity/bolo-thingspeak/docu/HTU21D.txt
-
-function readHTU21D()
-    if verbose then print("\n 0_htu21d.lua   zf200119.1517 \n") end
-    
-    id = 0   sda = 5   scl = 6   addr = 0x40
-    HUMIDITY = 0xE5   TEMPERATURE = 0xE3
-    i2c.setup(id, sda, scl, i2c.SLOW)   sda = nil   scl = nil
-
-    function read_HTU21D(zreg, zdelay)
-        i2c.start(id)   i2c.address(id, addr, i2c.TRANSMITTER)
-        i2c.write(id, zreg)   i2c.stop(id)
-        i2c.start(id)   i2c.address(id, addr, i2c.RECEIVER)
-        tmr.delay(zdelay)
-        r = i2c.read(id,3)   i2c.stop(id)
-        return r
-    end
-
-    function readTemp()
-        r = read_HTU21D(TEMPERATURE, 50000)
-        r = (bit.band((bit.lshift(string.byte(r,1),8)+string.byte(r,2)),0xfffc)*17572)/65536-4685
-        return tonumber(string.format("%.1f", tostring(r/100)))
-    end
-
-    function readHumi()
-        r = read_HTU21D(HUMIDITY, 16000)
-        r = (bit.band((bit.lshift(string.byte(r,1),8)+string.byte(r,2)),0xfffc)*12500)/65536-600
-        return tonumber(string.format("%.1f", tostring(r/100)))
-    end
-
-    ztemp1=readTemp()   zhum1=readHumi()
-    if verbose then print("Temperature: "..ztemp1.." °C") end
-    if verbose then print("Humidity: "..zhum1.." %") end
-
-    id=nil sda=nil scl=nil addr=nil HUMIDITY=nil TEMPERATURE=nil r=nil
-    read_HTU21D=nil readTemp=nil readHumi=nil readHTU21D=nil
-    if verbose then print(node.heap()) end
-    collectgarbage()
-    if verbose then print(node.heap()) end
-end
-
-readHTU21D()