Simple code to control 3 or 4 Wire Fans with tacho signal as feedback

Dependencies:   PwmIn mbed

Revision:
0:d111bbbfd9e2
diff -r 000000000000 -r d111bbbfd9e2 PwmIn.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PwmIn.lib	Thu May 02 10:31:56 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/simon/code/PwmIn/#6d68eb9b6bbb