test for dac

projekte/oszi-grafik/sketch_mar26a/sketch_mar26a.pde

@@ -0,0 +1,14 @@
+void setup() {
+  for(int p=8; p<=11; p++) {
+    pinMode(p, OUTPUT);
+  } 
+}
+
+void loop() {
+  for (int c=0; c<16; c++) {
+    for (int b=0; b<4; b++) {
+      digitalWrite(8+b, c & _BV(b));
+    }
+    delay(100);
+  }
+}