ju nguyen / Mbed 2 deprecated SocialDistancingKeeper

Detected people approaching if the distance is < 6 feet then LEDs blinking RED otherwise LEDs light green.

Dependencies:   mbed X_NUCLEO_53L1A1_mbed WS2812

Diff: X_NUCLEO_53L1A1.lib

Revision:
0:ea8694e55809
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/X_NUCLEO_53L1A1.lib	Tue Sep 29 09:30:43 2020 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/teams/ST-Expansion-SW-Team/code/X_NUCLEO_53L1A1_mbed/#0e99f593daa9