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Connecting to an Arduino Feather Huzzah and Testing (step 1)


For this project I purchased an Arduino Feather Huzzah

Adafruit 2821 Feather HUZZAH with ESP8266 Wi-Fihttps://www.adafruit.com/product/2821


Mac installation:

Following the instructions on the Feather Huzzah page, I downloaded the latest Arduino IDE:Arduino IDE.Next, I downloaded and installed the Legacy CP2104 USB driver for my Mac from here.

 

Windows installation:

I downloaded the Windows installer (.exe) file from here. Be sure to download the installer version, not from an app store. The appropriate drivers are bundled with the installer version.


Using a micro-USB to regular USB cable I connected the Feather to my Mac. On connection, the on-board LEDs blinked indicating connection and power.

After the Arduino IDE loads, I added the ESP8266 board manager by navigating to Arduino –> Preferences and adding http://arduino.esp8266.com/stable/package_esp8266com_index.json in the “Additional Boards Manager URLs” field and click “OK“.

Tools –> Board –> Board Manager and search for “esp8266

Select “esp8266 by ESP8266 Community” and click “Install” –> “OK

 

Tools –> Board –> select “Adafruit Feather HUZZAH ESP8266“. If you need additional settings, refer to these instructions

 

In the Arduino IDE, create a new sketch. Replace the default code with the following:


const int blink = 0; // red LED should blink - set this to 2 to blink the blue LED // the setup function runs once when you press reset or power the board void setup() { // initialize digital pin LED_BUILTIN as an output. pinMode(blink, OUTPUT); } // the loop function runs over and over again forever void loop() { digitalWrite(blink, HIGH); // turn the LED on (HIGH is the voltage level) delay(1000); // wait for one second (1000 milliseconds) digitalWrite(blink, LOW); // turn the LED off by making the voltage LOW delay(1000); // wait for one second (1000 milliseconds) }

Save the sketch as blink.ino.

Connect your Feather HUZZAH to your computer via USB and set the correct port.

Tools –> Port

For Mac:

For Windows:

 

From the sketch window in the IDE, click “Upload

The file should upload and the red LED will blink. You can modify the constant to be “2”, save and re-upload. The blue LED should now be blinking.

 

 

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