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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.

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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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 (MacBook Pro 2021) will not recognize the board; it…
carsoap
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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); delay(1); analogWrite(A0, 4095); …
misk94555
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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 works (confirmed by the serial print statements); the on-board…
Jeff Schaller
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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 failed error: espcomm_upload_mem failed error:…
NVCyberPro
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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 different locations. More specifically, in the Demo…
BeingPool
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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 provided to me produces an error for this board.…
Duke9236
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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 consistantly for UDP sessions (in my case ICMP ping…
Lukas
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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 that working, but I would also like to connect an…
HannahPlaysCello
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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.The Flash chip used here is the Winbond 25Q128J.…
Aashyk Mohaiteen
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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 power supply and others appear to measure…
rfii
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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(#2923 on Adafruit). This is the one that has 2 set…
Siburmax
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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 does not matter if I manually insert a timestamp or…
Javier
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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 SCK -> SCK MISO -> MI MOSI -> MO CS -> 10 RST ->…
JL Ecole Decroly
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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 initializes a bunch of separate sensors in this…
christopolise
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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 bootloader to this chip like…
Brit
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