changed pins

letter_display.lua

@@ -0,0 +1,19 @@
+--client = mqtt.client("100", "mqtt.leizoour.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
+-- button = bouton poussoir
+
+function action(dir, counter, button)
+    cls()
+    lettre = string.char((counter % 26)+65)
+    --if button==1 then 
+    console("Choix lettre : "..lettre)
+end
+
+enc = encoder.attach(pio.GPIO15, pio.GPIO2, pio.GPIO4, action)
+