Pololu Wixel Shield for Arduino Instrukcja Użytkownika Pobierz pdf (Strona 10)

• P0_0 – the Arduino is held reset while this pin is high

• P1_6 – Wixel TX/Arduino RX

• P1_7 – Wixel RX/Arduino TX

The other 12 general-purpose I/O pins including 5 analog inputs are free to be used by your app to interface with the

Arduino or other electronics.

A good starting point for making your own compatible app is to modify the source code for the Wireless Serial App

[http://www.pololu.com/docs/0J46/9.b], which is available in the Wixel SDK [http://github.com/pololu/wixel-sdk] and included

as part of the Wixel Development Bundle [http://www.pololu.com/docs/0J46/10.a]. The Wixel User’s Guide has more

information on making your own Wixel apps in Section 10.

2.d. Connecting the Shield

As with most electronics, it is good to avoid making connections while circuits are energized. Therefore, we

recommend that your Arduino be unpowered and disconnected from USB when plugging or unplugging the shield

from it. The same goes for the socketed Wixel. After all of the connections between the Wixel, shield, and Arduino

are secure, the Arduino can safely be powered through the power jack or USB. It is safe to connect the socketed Wixel

to your computer through USB, but the Arduino will not receive power through that connection.

2.e. Using the Arduino Software

Using the Arduino software with the Wixel shield for Arduino is not any different than using it normally, except that

you will be programming on the COM port associated with a Wixel rather than one associated with your Arduino. In

the Arduino IDE, select your Arduino board using Tools->Board and select the the COM port that corresponds to the

Wixel connected to your computer using Tools->Serial Port. The upload button and the serial monitor will now

work exactly like they do when your Arduino is directly connected to your computer via USB.

2. Getting Started Page 10 of 12

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Pololu Wixel Shield for Arduino Instrukcja Użytkownika Strona 10