User's Manual

6
RAK2245 Pi HAT
6
RAK2245 Pi HAT User Manual V1.2
2.3 Pin Definition
The pin connector of RAK2245 Pi HAT is located at the bottom side. Refer to the
diagram and table below for the description and numbering of each pins.
Figure 2 | Raspberry Pi Connector Overview
Pin
Name
Description
Pin
Name
Description
1
3.3V
3.3V Supply Voltage
2
+5V
+5V Supply Voltage
3
SDA
I2C_SDA (Connect to
GPS Module I2C_SDA)
4
+5V
+5V Supply Voltage
5
SCL
I2C_SCL (Connect to
GPS Module I2C_SCL)
6
GND
GND
7
NC
No Connection
8
UART_
RXD
It should be connected to
RASPBERRY PI’s
UART_TXD. This pin is
connected to GPS Module’s
UART_RXD internally.
9
GND
GND
10
UART_T
XD
It should be connected to
RASPBERRY PI’s
UART_RXD. This pin is
connected to GPS Module’s
UART_TXD internally.
11
RESET
SX1301 RESET (GPIO17
of RASPBERRY PI)
12
NC
No Connection
13
NC
No Connection
14
GND
GND
15
NC
No Connection
16
NC
No Connection