User Guide

4Flight B2S interface specification
4.1
power interface JP1(1.25 spacing)
Pin number function
1GND
25V
3GND
412V
4.2
IR_CUT interface JS11(1.25 spacing)
Pin number function
1
Ircut negative elec trode
2
ircut positive electrode
4.3
audio input JS8(1.25 spacing)
Pin number function
1
MIC
positive
2
MIC
negative
4.4
audio output JS9(1.25 spacing)
Pin number function
1
speaker
positive
2
speaker
negative
4.5
infrared lamp control interface JL1(1.25 spacing)
Pin number function
Corresponding
GPIO
15V
2
LED IO
ACTIVE HIGH)
GPIO0_2
3
4.6
button and indicator light interface JS10(1.25 spacing)
Pin number function
GPIO
1
Red light control
GPIO0_0
2
Blue light control
GPIO0_1
3
keystroke
IO(
ACTIVE low
GPIO7_7
4 5V0
5 GND
4.7
reserve GPIO interface JS14(1.25 spac i ng)
Pin number function
Corresponding
GPIO
1
white light
control
IO
ACTIVE HIGH
GPIO6_6
2
PIR
signal input
IO
GPIO7_1
GND