ngs/rb-blink1 — pull request #1 by jugyo (2012-12-28 16:04:26+00:00)
Title: improve Blink1.open to use instance_eval for convenient

`Blink1.open` is so convenient!
I've improved it to be no longer need the argument for the block.

Example:
```ruby
Blink1.open do
blink 0xff, 0xff, 0xff, 3
end
```

The rb-blink1 is very useful. Thank you for your work. :smile: