Posts Tagged "USB"

EKitsZone UNO Rev.3 First Look

I recently decided to buy an Arduino UNO R3, to test compatibility with my sketches, which I have been testing w/ a Deumilanove.  The UNO R3 contains an ATmega16U2  instead of an FTDI chip to do the serial to USB conversion, as well as 3 extra pins on the digital side of the board: SCL/SDA/AREF.  [...]

Reducing Arduino/FTDI FT232R Serial Latency

I’m working on a project in which a PC communicates with an Arduino (a Colorduino, to be exact) over a serial connection. It’s an 8×8 RGB LED matrix, which will be controlled by music. The ATmega168 MCU in my beta Colorduino has such small RAM that I can only buffer at most 2 screenfuls of [...]