Hardware Reference
In-Depth Information
The following table gives a description of the pins available, starting at the upper-left side
of the board just above the USB connector:
Arduino
FLORA
pin
Description
3.3 V
This is a voltage output set to 3.3 volts. There are two of these pins available on the Arduino FLORA.
Digital I/O
pins D10,
D9, D6,
D12
These pins can be used to either read or write digital values. If defined as an input, the value will be read as either a 0 or 1 based
on the voltage level at the input. If defined as an output, the value will be set to either a 0 or 1 logic voltage level. The FLORA
uses 3.3 V for 1 and 0 V for 0.
There are three GND pins on the FLORA. The one closest to the white battery connector (the connector opposite the USB port) is
normally used as the ground connection from the battery. The other two GND pins can be used for the digital I/O pins or the 3.3
V outputs.
GND
You can power the Arduino FLORA from this pin. This can be especially useful after you have uploaded your program; you can
then disconnect the USB port, and when you apply voltage to this pin, your Arduino FLORA will boot and run the uploaded pro-
gram. You can use a voltage value from 7 to 16 volts, so a wide variety of DC power adapters or battery configurations can be
used.
VBATT
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