I start that thread cause i would like to do something with my DFrobot LED-Ring.
But don’t know how…
It is a Arduino
The DFrobot LED-Ring come with a Library to control all LED’s
But i would like to be able to send simple request from a serial interface (Hyperterminal, putty, Arduino serial).
I don’t know where to start with that
Their Wiki Page tells you how to make connections to the board. Looks like you need to solder in some connector pins, and then probably purchase their FTDI plug. Not sure if you could get away with another USB to serial connector like a PROP plug or not.
But once you have that set up you can program it using the standard Arduino IDE (I think selecting Lilypad Atmega168 as the board type). It looks like they also have a library to help with controlling the LEDs.
Assuming you are setup to be able to program it, then you can use this same USB to serial interface to download commands to the board to do whatever you would like to do.