AI-NB25 Development Kit
Manual
AI-Link Confidential
Arduino interface Arduino I/O
Standard Arduino interface
Power Switch S7 Power supply switch between Arduino and USB port
RF interface Antenna Port Radio frequency SMA connector
Power button
S4 NB-IoT module power on/off
Reset button
S5
NB-IoT module resetting
RTC wake up button S6 NB-IoT wake up from deep sleep mode (PSM)
FTDI Serial Reset S2 S3 FTDI chipset reset function
FTDI Indicator D1 D2 D6 D7 Serial data transmission indicator
Power indicator
D3 Power indicator of development kit
2.4. Arduino Interface Definition Overview
The following is the Arduino interface diagram of AI-NB25-EVB.
Figure 3
：
AI-NB25-EVB interface distribution
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