USB Flashing Led
The blink (1) is great for showing a status or condition. For example, a service status is interesting. So, whether service or service started or not started. Or to put it another way, whether he is running or not.
What is the blink (1)?
blink (1) by ThingM is a USB stick with a RGB LED that can be controlled by software. In this case, blink (1) can accept any RGB color and flash, flash or just permanently light up. This is interesting for any kind of status display, without electronics or other hardware tinkering.