first edition of the code for a wall-following robot

Dependencies:   motorController HC-SR04 UoY-serial

Revision:
0:e8a382e50908
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/UoY-serial.lib	Wed Nov 03 09:52:25 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/ajp109/code/UoY-serial/#a86a8c72aca6