Hooking that up to an Arduino Micro and he was now able to trigger it remotely. ... The quartz crystal frequency is determined by hacking the timer interrupts of the Arduino’s ATmega32u4.

The Micro measures 48 mm in length and 18 mm in width and weighs about 13 g. The Nano, on the other hand, comes in the smallest form factor Arduino offers , with the same 18 mm width but a shorter ...

The Arduino Micro will be available exclusively through Radio Shack and Adafruit first before becoming more widely available next month. The board is available with headers for €21 (roughly $27 ...

Except, on the Micro, there is no actual serial bus involved in programming the Arduino, as everything is done over USB. So the TX and RX leds are driven by a couple of pins on the ATmega32U4 (see a ...