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$ node hello.js 
1436894483255 Device(s) /dev/ttyUSB0  
1436894483279 Connected /dev/ttyUSB0  
1436894493287 Device or Firmware Error A timeout occurred while connecting to the Board. 

Please check that you've properly flashed the board with the correct firmware. 

See: https://github.com/rwaldron/johnny-five/wiki/Getting-Started#trouble-shooting 
events.js:87
      throw Error('Uncaught, unspecified "error" event.');
            ^
Error: Uncaught, unspecified "error" event.
    at Error (native)
    at Board.emit (events.js:87:13)
    at Board.log (/usr/lib/node_modules/johnny-five/lib/board.js:623:8)
    at Board.(anonymous function) [as error] (/usr/lib/node_modules/johnny-five/lib/board.js:634:14)
    at Board.<anonymous> (/usr/lib/node_modules/johnny-five/lib/board.js:407:12)
    at Timer.listOnTimeout (timers.js:119:15)

我已经在 Ubuntu 上安装了 node 和 johnny-5 并连接了 Arduino Nano。但它抛出了上述错误。

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2 回答 2

1

在运行节点应用程序之前，尝试打开 arduino：

$ arduino

转到文件 > 示例 > Firmata，然后选择StandardFirmata

打开后将其上传到您的arduino。

完成后，您应该能够毫无问题地运行您的节点应用程序

于 2015-07-21T08:05:56.983 回答
0

arduino IDE 可能保持与电路板的连接。尝试关闭它。

于 2015-11-26T15:53:08.267 回答