UNO Dock V2.0 for NanoPi NEO

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1 Introduction

UNO Dock V2.0 for NanoPi NEO
  • The UNO Dock V2.0 for NanoPi NEO is a NanoHat Hub alike extension board.
  • It is an Arduino board compatible with Arduino UNO and works with Arduino programs.
  • The UNO Dock V2.0 communicates with NanoPi NEO/Air/NEO2 with I2C. The MEGA328P on the board acts as an interface between an external module connected to the board and the NanoPi NEO/Air/NEO2 that is mounted on the board.When a NanoPi NEO/Air/NEO2 and an Arduino module are connected to the UNO DOCK users can easily access the Arduino module from the NanoPi NEO/Air/NEO2.
  • It has an onboard USB to Serial port chip which allows users to set the serial port as either Arduino serial port or NanoPi NEO/Air/NEO2's debug port with a jumper
  • It has 12V power input to 5V/2A output.
  • The two USB ports on the NanoPi NEO/Air/NEO2 are populated to the module
  • The male connectors on the NanoPi NEO/Air/NEO2 are populated to the module and a NanoHat module can be stacked on it.
  • NEO's GPIO pins are populated to the module
  • NanoPi NEO/Air/NEO2 can be directly mounted on the UNO Dock V2.0.

2 Hardware Spec

  • Arduino UNO supported
  • Onboard USB to Serial port
  • 12V power input to 5V/2A output
  • Compatible with BakeBit Modules
  • 2 x USB port
  • NEO's connectors are populated and a NanoHat can be stacked on it
  • NEO's GPIO pins are populated
  • PCB dimension(mm): 112 x 53.3

UNO Dock V2.0 for NanoPi NEO_PCB.PCB


2.1 Connector Pin Description

Here is a pin description for the UNO Dock V2.0 for NanoPi NEO's connectors:
UNO Dock V2.0 for NanoPi NEO Connector Pin Description

  • UNO Dock V2.0 for NanoPi NEO Connector Pin Description:
Pin Description
12V DC In 12V Input
Power on/off Power Switch
NEO USB 1 Populated NanoPi NEO/Air/NEO2's USB 1
NEO USB 2 Populated NanoPi NEO/Air/NEO2's USB 2
USB to URAT USB to Serial
Arduino interface Arduino Interface
ICSP ICSP Interface
UART select UNO UART/NEO DEBUG Mode Switch
NEO GPIO NEO GPIO Female Connector
NEO Debug UART Populated NanoPi NEO/Air/NEO2's Serial Debug Port
NEO interface Populated NanoPi NEO/Air/NEO2's Interface
Reset UNO Reset

3 Connect UNO Dock V2.0 for NanoPi NEO to NanoPi NEO/Air/NEO2

3.1 Connect to NanoPi NEO/Air/NEO2

Currently the applicable boards are FriendlyElec's NanoPi NEO/Air/NEO2.
The module can be stacked on a NanoPi NEO/Air/NEO2. Here is a hardware setup:
UNO_Dock_NEO_v2.0

3.2 Install BakeBit Software

  • Step 1 - SSH to a master device(NanoPi NEO/Air/NEO2) via ssh and download the BakeBit code from github:
cd  ~
git clone https://github.com/friendlyarm/BakeBit.git
  • Step 2 - Install BakeBit software packages by running the following commands:
cd BakeBit/Script
chmod +x install.sh
./install.sh
  • Step 3 - Reboot:
reboot
  • Step 4 - Test UNO Dock V2.0 for NanoPi NEO:

Connect a BakeBit LED module to a UNO Dock V2.0 for NanoPi NEO by linking the LED module's SIG pin to the Dock's D3 and run the following command:

python ~/BakeBit/Software/Python/grove_led_blink.py

If the LED blinks it means the UNO Dock V2.0 for NanoPi NEO works!

4 Setup Arduino on UNO Dock V2.0 for NanoPi NEO

  • Step 1:use a jumper in place of "UNO-UART", connect the Dock to a PC host with a USB cable and power the Dock with a 12V DC power source
  • Step 2:check the device name in your PC's device manager. In our test case it was "COM2".

Matrix - UNO Dock for NanoPi COM

Setup development environment:
1. Tools -> Board ->Arduino Nano
Matrix - UNO Dock for NanoPi Configurations

2. Tools -> Processor ->ATmega328
Matrix - UNO Dock for NanoPi Configurations

3. Tools -> Port ->COM2(the device name you find in your PC)
Matrix - UNO Dock for NanoPi Configurations

  • Step 4: click on "upload".

After Arduino IDE shows uploading success you can start playing with your UNO Dock!
Matrix - UNO Dock for NanoPi Upload

5 注意

使用Arduino IDE软件下载Arduino程序后,会覆盖UNO Dock V2.0 for NanoPi NEO单片机中的固件,如果此时回到NanoPi NEO/Air/NEO2上使用UNO Dock V2.0 for NanoPi NEO,需要先给UNO Dock V2.0 for NanoPi NEO下载固件,固件源码已上传到github,直接使用Arduino IDE上传即可。
固件源码下载地址

6 Resources