direction commands updated to Up down RPM value

Dependencies:   MAX7219pot MCP23S17 mbed

Fork of POT_V_1_0 by Marine Electricals

Revision:
0:ba33a62aea4e
diff -r 000000000000 -r ba33a62aea4e MCP23S17.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MCP23S17.lib	Thu Sep 28 05:10:42 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/stjo2809/code/MCP23S17/#b2a44e1e54b8