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Version 1.32r 10/9/2012
3
RN -W IFLY -E VAL-U M
Figure 1. RN-131-EK Evaluation Board
UART Interface (J3)
RX - input to evaluation board
TX - output from evaluation board
Pin
Description
1
3.3 VDC output
2
GND
3
UART RX
4
UART TX
5
UART RTS
6
UART CTS
7
GPIO4
8
GPIO5
9
GPIO6
10
GPIO7
11
GPIO8
12
GPIO9
13
Reset
Sensors (J1)
Pin
Description
1
Sensor Power
2
Sensor 4 (3.3-V tolerant)
3
Sensor 5 (3.3-V tolerant)
4
Sensor 7 (1.2 V only)
5
Sensor 5 (1.2 V only)
6
Sensor 4 (1.2 V only)
7
Sensor 6 (1.2 V only)
8
Sensor 3 (1.2 V only)
9
GND
WARNING: Sensors must not have more
than 1.2-V DC. Otherwise, the module may
be permanently damaged.
Table 2. RN-131-EK Evaluation Board LED Indicators
Condition
Blue LED
Red LED
Yellow LED
Green LED
On solid
Unused
-‐
-‐
Connected over TCP
Fast blink
Unused
Not associated
Rx/Tx data transfer
No IP address
Slow blink
Unused
Associated, no Internet
-‐
IP address OK
Off
Unused
Associated, Internet OK
-‐
-
Figure 2 shows the RN-171-EK evaluation board and pin information. Table 3 describes the LED indicators.
Sensor
Interface (J1)
LED Indicators
UART Interface
(J3)
Reset
Pushbutton
USB
Connector
AP/WPS/Factory Reset
Pushbutton (GPIO9)
1
2
3
4
5
6
7
8
9
10
11
12
13
9
5
2
3
4
6
7
8
1
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