Questions tagged [feather]

The Adafruit Feather are a complete line of development boards from Adafruit that are both standalone and stackable. They're able to be powered by lipo batteries for on-the-go use or by their micro-USB plugs for stationary projects. Feathers are flexible, portable, and as light as their namesake.

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Cannot successfully implement singleton

I have spent the better part of today trying to figure out why I can't get this to work... I have this project where, because of previous design considerations, have implemented a singleton class that ...
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Feather will not work if GPS is attached

I have a feather huzzah, and a feather GPS shield. The feather will not accept program code while the GPS is plugged in. I have determined this is some sort of power issue. I have a battery connected ...
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51 views

Neopixel code not working on Adafruit Feather board

I have connected a single neopixel to my Adafruit Feather board, running Arduino software. The power pin is connected to 3V on the Feather. The data-in pin is connected to pin 15 on the Feather. As ...
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Bluetooth not discoverable using feather nRF52832

I just bought a feather nRF52 but I can't make the Bluetooth LE work ... I followed to tutorial (https://learn.adafruit.com/bluefruit-nr ... troduction) which features the same information that on the ...
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72 views

Keeping Adafruit Feather charged

I'm creating a keyboard for someone using an Adafruit Feather 32u4 Bluetooth LE as the brains. The case I want to put in into would be hard to remove to charge the battery. Can I use this USB LiIon/...
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499 views

High frequency PWM on Adafruit Feather M0

I'm trying to get a Bluefruit Feather M0, which has a SAMD21G, to do high frequency PWM by accessing timer registers directly, rather than using the Arduino API to do PWM at ~1kHz or ~500Hz. Actual ...
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1answer
42 views

feather 32u4 servo

I am attempting a project where I use a feather 32u4 to control a servo. It is controlled using the buttons on an attached oled featherwing to set the servo to 3 different values. The code that was ...
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1answer
184 views

ESP8266 (Huzzah Feather) I2C scanner finds nothing

I am trying to address an I2C device on my Huzzah Feather (Adafruit) ESP8266, but the I2C scanner tool does not detect anything. All is sufficiently powered and quadruple checked the wiring. Is ...
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83 views

Adding bootloader to Feather M0 Bluefruit LE

I want to make a custom Feather M0 Bluefruit LE. I know this means that I will have to add a bootloader to the ATSAMD21G18. I have seen that there are many useful articles in relation to adding ...
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252 views

How do I send non-ASCII keys over the BLE HID connection using an Adafruit nRF52 Feather?

The hid_keyboard example sketch shows how to send ASCII characters, but how can I send non-ASCII codes like the F1 key, or keys with shift/control modifiers?