diff --git a/main.lua b/main.lua
index cf56f3c..fb1cbf4 100755
--- a/main.lua
+++ b/main.lua
@@ -73,3 +73,8 @@ dofile("neopixel.lua")
 dofile("encoder.lua")
 dofile("dht22.lua")
 dofile("screen.lua")
+dofile("wifi.lua")
+
+-- attache l'écran
+attachscreen(18, 19, 0x3C)
+console("Hello, world!")
diff --git a/wifi.lua b/wifi.lua
new file mode 100644
index 0000000..36068c8
--- /dev/null
+++ b/wifi.lua
@@ -0,0 +1,44 @@
+dofile("screen.lua")
+
+function displaynets()
+	nets = net.wf.scan(true)
+	cls()
+	for i=0,#nets-1 do
+		console(nets[i].ssid.." "..nets[i].rssi)
+	end
+end
+
+function displayopennets()
+	nets = net.wf.scan(true)
+	cls()
+	for i=0,#nets-1 do
+		if nets[i].auth == net.wf.auth.OPEN then
+			console(nets[i].ssid.." "..nets[i].rssi)
+		end
+	end
+end
+
+function scanwifi()
+	while true do
+		nets = net.wf.scan(true)
+		cls()
+		for i=0,#nets-1 do
+			console(nets[i].ssid.." "..nets[i].rssi)
+		end
+		tmr.delayms(1000)
+	end
+end
+
+function neorssi()
+	neo = neopixel.attach(neopixel.WS2812B, pio.GPIO21, 8)
+	while true do
+		nets = net.wf.scan(true)
+		nb = (-nets[0].rssi) * 8 // 100
+		for i=0,nb-1 do
+			r, g, b = wheelRGB(i * 255 // 8)
+			neo:setPixel(i, r//10, g//10, b//10)
+		end
+		neo:update()
+		tmr.delayms(1000)
+	end
+end