An access controller for man doors at our facility. It receives Wiegand signals from a keypad/card reader and activates a relay to open the door. Access codes are stored in EEPROM. The active code list is updated from TFTP on a local server.

Dependencies:   24LCxx_I2C CardReader USBHOST

Revision:
0:a56239ae90c2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHOST.lib	Mon Sep 25 19:02:40 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/teams/ST/code/USBHOST/#d3ac9e1c0035