Figure 10-16 The control box
Figure 10-17 The RFID antenna installed outside the door
Using the System The system is easy to use. There are only two buttons. The left-hand Add button adds the last tag read to the list of tags that will unlock the door, and the right-hand button clears out the memory and forgets all the tags. The three-color LED is used to good effect to provide feedback about what the system is doing. The various multicolor flashes it makes are summarized in Table 10-1. TABLE 10-1 Summary of Multicolor Flashes