NanoPi Duo2 IoT-Box

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Revision as of 09:46, 11 October 2018 by Yftan (Talk | contribs) (Introduction)

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1 Introduction

NanoPi Duo2 IoT-Box Side
NanoPi Duo2 IoT-Box Front
NanoPi Duo2 IoT-Box Back
  • The NanoPi Duo2 IoT-Box is a dedicated carrier board for the NanoPi Duo2. It populates Ethernet port, serial port, audio and USB etc.
  • It has an onboard quad-band GSM/GPRS module SIM800C.
  • It has 2.0mm I2C interface, UART interface, audio interface and CVBS interface etc and can work with various external modules.
  • Its MicroUSB port is only used as power input. And a power switch is added too.
  • It has one power LED and one GPIO accessed LED.
  • It populates the two USB ports of the NanoPi Duo2.
  • It populates the serial ports and Ethernet port of the NanoPi Duo2.
  • It has an IPX to SMA antenna converter for WiFi antennas.

2 Hardware Spec

  • Onboard quad-band GSM/GPRS module
  • 2 x USB Host
  • Serial port and Ethernet port
  • Audio input and output
  • MicroUSB power input and a power switch
  • IPX to SMA WiFi converter
  • PCB dimension (mm): 85x56

NanoPi Duo2 IoT-Box_PCB

2.1 接口说明

NanoPi Duo2 IoT-Box接口布局

NanoPi Duo2 IoT-Box接口如右图所示,接口引脚丝印都在板子背面做了详细标注。

  • NanoPi Duo header引脚定义
Number# Name Number# Name
1 VDD_5V 17 DEBUG_RX(UART_RXD0)/GPIOA5/PWM0
2 VDD_5V 18 DEBUG_TX(UART_TXD0)/GPIOA4
3 SYS_3.3V 19 GND
4 GND 20 I2C0_SCL/GPIOA11
5 GPIOL11/IR-RX 21 I2C0_SDA/GPIOA12
6 GPIOG11 22 UART3_TX/SPI1_CS/GPIOA13
7 USB-DM3 23 UART3_RX/SPI1_CLK/GPIOA14
8 USB-DP3 24 UART3_CTS/SPI1_MISO/GPIOA16
9 USB-DM2 25 UART3_RTS/SPI1_MOSI/GPIOA15
10 USB-DP2 26 UART1_RX/GPIOG7
11 EPHY-RXN 27 UART1_TX/GPIOG6
12 EPHY-RXP 28 CVBS
13 EPHY-TXN 29 LINEOUT_L
14 EPHY-TXP 30 LINEOUT_R
15 EPHY-LED-LINK 31 MIC_P
16 EPHY-LED-SPD 32 MIC_N

3 硬件连接

NanoPi Duo2可直接装配在NanoPi Duo2 IoT-Box底板上,装配时注意NanoPi Duo2的方向,参考下图连接模块:
NanoPi Duo2 IoT-Box_NanoPi_Duo2

使用NanoPi Duo2 IoT-Box底板,能方便的使用有线网络、USB等接口
NanoPi Duo2 IoT-Box

NanoPi Duo2 IoT-Box底板使用的GSM/GPRS天线和WiFi天线的频段不一样,请注意区分,参考下图装配:
NanoPi Duo2 IoT-Box 天线装配

4 软件使用

4.1 1、GSM/GPRS模块的使用

使用前请先插入可以使用的SIM卡,并装配GSM/GPRS天线:

4.2 2、USB Host接口的使用

NanoPi Duo2 IoT-Box的USB Host接口可以方便的外接常用的USB设备,连接Matrix - LCD2USB如下所示:
连接Matrix - LCD2USB

4.3 3、音频输入与输出

1、可使用以下命令录音:

arecord -D hw:0,0 -f cd test.wav

运行效果如下:
录音
2、可使用以下命令播放音频文件,例如播放/root/Music/test.wav

 aplay /root/Music/test.wav

运行效果如下:
播放音乐

可以使用alsamixer工具调节播放音乐的音量

5 相关资料