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.

Filter by
Sorted by
Tagged with
-1 votes
0 answers
14 views

Detect if Adafruit Feather 8266 is charging

I have an adafruit feather 8266 powered by battery and connected to an USB solar charger. The chip goes into deep sleep to conserve battery. However, I want to detect when the charger is connected and ...
0 votes
1 answer
131 views

ESP8266 - Can't upload or use Serial Monitor - Ubuntu 22.04 LTS

When trying to use the ESP8266 Node MCU or Multiple Feather Huzzah's I get the following error. I can program Arduino Uno & Mega without issue. warning: espcomm_sync failed error: espcomm_open ...
0 votes
0 answers
82 views

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 ...
0 votes
2 answers
42 views

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 ...
1 vote
1 answer
65 views

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 ...
  • 170
1 vote
2 answers
63 views

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(#...
1 vote
0 answers
65 views

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 ...
  • 11
1 vote
1 answer
114 views

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 ...
1 vote
2 answers
612 views

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 ...
-1 votes
1 answer
129 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 ...
  • 151
-1 votes
1 answer
118 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/...
0 votes
1 answer
1k views

High-frequency PWM on an Adafruit Feather M0

I'm trying to get a Bluefruit Feather M0, which has a SAMD21G on it, to do high-frequency PWM by accessing timer registers directly, rather than using the Arduino API to do PWM at ~1 kHz or ~500 Hz. ...
2 votes
1 answer
87 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 ...
0 votes
1 answer
363 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 ...
  • 121
1 vote
0 answers
137 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 ...
  • 41
1 vote
1 answer
538 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?
  • 1,460