
WIRELESS COMMUNICATION 197
A
A. XBEE/USB jumpers set to left
A. XBEE/USB jumpers set to right
» at left, above
Figure 6-7
Arduino XBee shield. The XBEE/USB jumpers
are set to the left to connect the radio’s TX
to the Arduino’s RX, and vice versa.
» above
Figure 6-8
Arduino module with the microcontroller
removed. In this configuration, the Arduino
can act as a USB-to-serial converter.
» at left, below
Figure 6-9
Arduino XBee shield. The XBEE/USB jumpers
are set to the right so that the XBee’s TX
connects directly to the FTDI chip’s RX, and
vice versa. There is no microcontroller chip
on the board underneath the shield.
A
Making_Things_Talk.indb 197 11/13/09 4:54 PM