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updated instructions with common problem #54

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updated instructions with common problem #54

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8 changes: 7 additions & 1 deletion setup.md
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Expand Up @@ -134,7 +134,13 @@ If it all goes well. You'll see a blinking LED positioned next to the L on your

![blink.jpg](blink.jpg)

Open the [`examples/blink.js`](https://github.com/nodebotsau/simplebot/blob/master/examples/blink.js) program in an editor and look at the code. Its currently set to blink every 500ms.
NOTE: These programs will print a list of COM ports they can find, followed by the port they chose. Windows can change ports for obscure reasons - likely it'll be COM11 or thereabouts, but the libraries may pick the wrong port, in which case it will pause for a while then spit out an error. You can specify the port name at the end of the command if it's picking the wrong port:
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@sdesalas sdesalas Sep 18, 2017 •
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Explanation bit long if you are a noob. Maybe keep it short and sweet:

NOTE: Sometimes you may need to specify the port number:

node examples/blink.js COM11

Next, open the ....


```
node examples/blink.js COM11
```

Next, open the [`examples/blink.js`](https://github.com/nodebotsau/simplebot/blob/master/examples/blink.js) program in an editor and look at the code. Its currently set to blink every 500ms.

Try changing this to 100ms and see if it blinks faster now.

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