3 key touch panel from Seeed

Dependencies:   MPR121

Fork of Seeed_Grove_I2C_Touch_Example by Seeed

Revision:
3:81ea1b6e3fea
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Thu Jun 29 16:33:34 2017 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#42be5c01a7f91292d5e27124ad9584236025f6ab