Update. /JL

microbit/i2c.py

@@ -0,0 +1,35 @@
+from microbit import pin19, pin20
+#I²C
+
+""" The i2c module lets you communicate with devices connected to your board using the I²C bus 
+protocol. There can be multiple slave devices connected at the same time, and each one has 
+its own unique address, that is either fixed for the device or configured on it. Your board 
+acts as the I²C master. """
+
+#Functions
+
+def init(freq=100000, sda=pin20, scl=pin19):
+    """  Re-initialize peripheral with the specified clock frequency freq on the specified sda 
+    and scl pins.
+
+    Warning
+    On a micro:bit V1 board, changing the I²C pins from defaults will make the accelerometer 
+    and compass stop working, as they are connected internally to those pins. This warning 
+    does not apply to the V2 revision of the micro:bit as this has separate I²C lines for the 
+    motion sensors and the edge connector. """
+    pass
+
+def scan():
+    """ Scan the bus for devices. Returns a list of 7-bit addresses corresponding to those 
+    devices that responded to the scan. """
+    pass
+
+def read(addr, n, repeat=False):
+    """ Read n bytes from the device with 7-bit address addr. If repeat is True, no stop bit 
+    will be sent. """
+    pass
+
+def write(addr, buf, repeat=False):
+    """ Write bytes from buf to the device with 7-bit address addr. If repeat is True, no stop 
+    bit will be sent. """
+    pass