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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Why are there extra steps on DAC output?
Testing the DAC on the Feather M4 Express (SAMD51 microcontroller). Tried to generate a square wave with the DAC.
void setup() {
analogWriteResolution(12);
}
void loop() {
analogWrite(A0, 0);
...
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Feather M0 RFM69 serial over radio IP over serial works for UDP packets but fails for TCP sessions
I'm trying to build a serial over radio transmitter module using two Feather M0 boards with RFM69HCW chips on board. As a test I'm trying to run a slip IP over serial session. This seems to work ...
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Feather M0 doesn't show up as a COM or Serial port
I am trying to upload a simple blink program on my Adafruit Feather M0 Radio with LoRa Radio Module to ensure that it connects to my PC. So far, I have:
Gone through 4 data cables
Tested for ...
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2
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Why isn't pin 6 on my Adafruit Feather RP2040 being sent high when I ask it to?
I have an Adafruit Feather RP2040 (pinouts) connected via pin 6 to a relay. The code (below) triggers the relay when a separate color sensor returns "enough" red values.
The color sensor ...
- 169
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MacBook + BLE Microcontroller Incompatibility?
I've programmed an Adafruit Feather nRF52840 board to send MIDI signals to my computer via BLE. I can confirm that the board pairs successfully with an Android phone and a Windows PC, but my laptop (...
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display.begin(); function breaks working code
I've been setting up a system using an Arduino Uno board that reads from both an Adafruit MPU6050 6-way gyroscope and accelerometer and an Adafruit NAU7802 connected to a load sensor. I have code for ...
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1
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Having issues understanding what "#define GET_STATUS" does
I am trying to use a Waveshare 4.2inch e-paper display with an Adafruit Feather Adalogger M0, but am having issues with two separate instances of #define GET_STATUS being defined differently in ...
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Troubleshooting UART communication between nano 33 ble sense r2 and Adafruit Feather 32u4 with LoRa Radio Module
I've tried connecting the gnd's for both the boards and have connected rx to tx and vice versa in both the boards. I've powered both by batteries, and I'm trying to get sensor data from the nano, and ...
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Adafruit Feather M0 WiFi - ATSAMD21 + ATWINC1500 Firmware updater
I have a Adafruit Feather M0 WiFi - ATSAMD21 + ATWINC1500 that indicates the firmware installed is too old for the Wifi101 library (Version 0.16.1). I have been trying to do a firmware update but ...
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How to prevent the application code from getting stuck in forever loop when using SerialFlash library in Arduino-Adafruit framework
I have been working on a project that runs on Adafruit's Bluefruit nRF52 board. I used the SerialFlash library for Arduino provided by Paul Stoffregen: https://github.com/PaulStoffregen/SerialFlash....
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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 ...
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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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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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2
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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 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. ...
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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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