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ideal for clock displays
simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started
PIN39 VSYS
Push/pull Micro SDIO
Arduino Uno R3 ideal for clock displaysArduino Uno R3 is a microcontroller based development board. Arduino UNO and other boards can read inputs light on a sensor, a finger on a button, or a Twitter message and turn it into an output activating a motor, turning on an LED, publishing something online by utilizing this R3 kit. You can tell your Arduino UNO r3 what to do by sending a set of instructions to the microcontroller on the board. To do so you use the Arduino programming language
