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:
2:28ca549860f6
Parent:
0:ea8694e55809