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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Adafruit feather helium integration

So I have an adafruit feather M0 LoRa 900 MHz and try to connect it to a helium hotspot (add to my helium console). For that I use the official helium documentation provided by helium and I get to the ...
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LoRa Radio dongle not communicating witih Adafruit Feather M0 LoRa

I am using an Adafruit Feather M0 with a LoRa RFM9x Radio, to send data to a Ronoth LoStik (US Model) that communicates with a program on a desktop computer. The Feather M0 is using the RadioHead ...
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Button press on Arduino will write different message on Windows based on Foreground window

I have a Feather with 1 push button connected to my PC. Whenever I press the button, it pastes what's on the clipboard and a few additional characters to help with a repetitive task (using the ...
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Having issues Connecting to a web server and pulling the data back

I have some arduino code where I am trying to pull information from four different locations. Three are working great and the fourth I am not getting any response. These two strings work perfect in a ...
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How can I get a Faster boot with the Adafruit Feather SAMD21?

The Adafruit Feather SAMD21 takes about two seconds from power being supplied to when setup() starts running. How can I shorten that time so that setup() will run sooner? I measure this time using a ...
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Adafruit Featherwing Latching Relay lamp switch

I am brand new to Arduino. So I apologize in advance if I have missed the information I am looking for. I have looked for hours and cannot find any help with a Adafruit Featherwing Latching Relay(#...
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RTC DS3231 headache

I've been trying to get an RTC clock to display time. I tried using 3 different RTC modules: standard ds1307, pcf8523 and ds3231. They all give the same results: wrong time and no incrementing. It ...
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rfm69 on M0 Express... init() doesn't work

I have already connected succesfully the rfm69 on my Feather M0 Express... but I cannot do it again. The connections are (in the order of the rfm69): Vin -> 3V Gnd -> Gnd En -> (nothing) G0 -> 9 ...
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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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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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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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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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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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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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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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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?
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