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Questions tagged [adafruit]

Adafruit Industries is an open-source hardware company founded by Limor Fried in 2005.

Adafruit Industries is an open-source hardware company founded by Limor Fried in 2005.

The company designs and manufactures a number of electronics products, sells a wide variety of electronics components, tools, and accessories via its online storefront, and produces a number of learning resources, including written tutorials, introductory videos for beginners, and the longest running live video electronics show on the internet.

The name Adafruit comes from Fried's online moniker "ladyada", itself an homage to computer science pioneer Ada Lovelace. The company's goal is to get more people involved in technology, science and engineering. Project kits are designed to deliver practical systems—not simply academic exercises—and to encourage more women into the field.

Source: https://en.wikipedia.org/wiki/Adafruit_Industries

Official website: https://www.adafruit.com/

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BitBanging a MHz protocol with the MicroPython Inline Assembler on PyBoard

I'm trying to use a PyBoard v1.1 to drive the protocol for Adafruit's NeoPixel LEDs SK6812RGBW using Micropython's inline assembler. Protocol As can be seen in the linked data sheet, a single LED is driven by assembling 4 8-bit rgbw values. Each…
mkirche
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How to read for data from CDC device connected to Android using usb-serial-for-android?

I'm using this library to send and receive data from a Feather 32u4 device. The Feather sends some canned data when the port is opened, and then echos back what is sent to it. I'm having issues understanding how the read and write methods work in…
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DC Motor won't run with Adafruit Motor Shield

I'm very new with Arduino and Adafruit and I'm trying to get a DC motor running with my Adafruit Motor Shield V2.3, but it's not running. I have connected the motor to the right terminal (M3). I recently asked this question and was told I need a…
GoatZ
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Can't Drive DC Motor with Adafruit Motor Shield V2.3

I'm pretty new with Arduino and I'm trying to run a DC motor with an Adafruit Motor Shield V2.3. I followed the instructions on the Adafruit website but my motor doesn't start when I upload the code. I have connected it to the correct terminal (M3)…
GoatZ
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Bluetooth I Spy

I want to develop a mobile app that listens for broadcasts by a BLE device. My idea generally is patterned on the game "I spy". In a room full of objects, there should be a numerous Bluetooth beacons. The beacons will have a button and when the…
kwasidev
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Circuitpython for (1x4) matrix keypad

I am still learning about Circuitpython and I have trouble working with a keypad. So I have a Feather M4 Express board(FM4E) and (1x4) Matrix keypad. The (1x4) Matrix keypad has 5 pins where I think four pins are for the numbers on the keypad (1…
belle
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Using UART to check data receiving from SPH0645 Mic I2S protocol

I'm trying to interface these SPH0645 Mics (I2S) to a STM32f767ZI board. I have wired it correctly, now just trying to test the mic by passing the data through UART to my pc. Hoping someone can point me in the correct direction. I have tried…
Vikranth Ghandi
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Problem in sending and receiving commands from PC to Arduino via usb serial

I am trying to send commands and receive data from Arduino beta Metro M4 express (programmed using circuitpython) via USB. The version of circuitpython is 4.0.1 and Python version is 3.7.3. I could able to send the data via usb but having problems…
Krish
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Raspberry Pi - Python Deployment - Pipenv

Goal. I want to build a small weatherstation using a Raspberry Pi 3 B. For measuring temperature and humidity I use an Adafruit DHT22 sensor. There is a Python library to read the sensor. https://pypi.org/project/Adafruit-DHT/ After making a…
Michael S
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Swift saves bmp as “Flip row order”

I'm using Swift in iOS and used the code based on this SO post to save a UIImage as a bmp Convert UIImage to NSData and convert back to UIImage in Swift? The data I create and save is recognized as a bmp in Photoshop and Preview but can’t be read by…
Gallaugher
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'numpy.float64' cannot be interpreted as an integer

I am trying to use NumPy matrices to pick colours and brightnesses for dotstar LEDs, but when the matrix elements are about to be picked I get a numpy.float64 error saying it can't be interpreted as an integer. I don't know where numpy.float64 has…
zacccczn
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How to install Adafruit-GPIO library in Docker

I'm new to Docker, so there could be something I'm doing wrong. I'm trying to install Adafruit-GPIO in a container, but I keep getting this error and I'm not sure how to solve it. I'm building the file locally on a Windows 10 pc, using Powershell.…
killsburydouboy
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Connect and Control Adafruit Flora with Computer via Bluetooth LE

Perspectively I have to create a haptic Feedback in a Unity 3D VR-Scenario. Therefore I want to make some wearable bracelets or bands to wear around arms, legs, etc., with a Adafruit Flora, some Lilypad Vibe Boards, a Flora Bluefruit LE module and a…
J.Lorenz
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How to control the motors via XBees wirelessly?

I am trying to control a motor wirelessly through XBee Proto Shields. The motor is controlled via an adafruit motor shield with one XBee ProtoShield stacked on top. WHat I am trying to do is, to send a signal from one protomshield connected to the…
Hassan Raza
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How to capture display and stream to an RGB led matrix with FFMPEG

I am trying to use FFMPEG to capture a raspberry pi's screen/display and stream it to an RGB led matrix but cannot figure out how to capture the screen/display properly. I am working with an example program (provided by Adafruit) that takes a video…
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