This port is used for the optional telemetry data radio.
Pin
USE
PIN#10
TX
PIN#11
RX
PIN#12
+5V
PIN#13
GND
G)
SetHome
This port is for the SetHome switch. TFPro comes with a blue micro button switch. Please
connect it to here. We need to use it to set “home coordinate” for the tracker.
Pin
USE
PIN#21
SetHome
PIN#22
GND
H)
GPS
This port is for the GPS unit.
插针
用途
PIN#23
TX (The GPS comes with the AP doesn’t need it. Just leave it alone)
PIN#24
RX (To the GPS TX wire) .
PIN#25
3.3V power supply to the GPS.
PIN#26
Ground