diff --git a/dht22.lua b/dht22.lua
new file mode 100644
index 0000000..3d39f96
--- /dev/null
+++ b/dht22.lua
@@ -0,0 +1,22 @@
+function print_temp()
+	s = sensor.attach("DHT22", pio.GPIO18)
+	tmr.delayms(500)
+	while true do
+        print("Temperature : "..s:read("temperature").." Humitité : "..s:read("humidity"))
+        tmr.delayms(500)
+    end
+end
+
+function humi_neo(min, max)
+	s = sensor.attach("DHT22", pio.GPIO18)
+	neo = neopixel.attach(neopixel.WS2812B, pio.GPIO19, 8)
+	tmr.delayms(500)
+	pos = 0
+	while true do
+		neo:setPixel(pos, 0, 0, 0)
+		pos = math.floor((s:read("humidity") - min)/(max - min) * 8)
+		neo:setPixel(pos, 240, 150, 140)
+		neo:update()
+		tmr.delayms(500)
+	end
+end
diff --git a/main.lua b/main.lua
index a56b80e..b68ca51 100755
--- a/main.lua
+++ b/main.lua
@@ -2,6 +2,7 @@
 dofile("out.lua")
 dofile("neopixel.lua")
 dofile("encoder.lua")
+dofile("dht22.lua")
 
 -- fonction permettant d'afficher la température du CPU
 function printTemp()