added small sketch which just gets a byte via i2c, not more.

I2CGET/I2CGET.ino

@@ -0,0 +1,16 @@
+// Written 2015 by Johannes Findeisen <you@hanez.org>
+
+#include <Wire.h>
+
+void setup() {
+  pinMode(13, OUTPUT);
+  Wire.begin();
+}
+
+void loop() {
+  Wire.requestFrom(7, 1); // request 1 byte from slave device #7
+  digitalWrite(13, HIGH);
+  delay(50);
+  digitalWrite(13, LOW);
+  delay(950);
+}