epaper test with encoder

Dependencies:   mRotaryEncoder epd1in54

Revision:
0:86a20b448fa5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/epd1in54.lib	Tue Mar 05 21:45:12 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/teams/ROM-Comm/code/epd1in54/#75b1993d74b1