Questions tagged [adafruit]

Use this tag if your question relates to Adafruit products.

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Auto run python program upon boot up of raspberry pi

I have done up a real time GPS python program with raspberry pi3b+ and Adafruit GPS module, the program can run manually when connected to monitor. I would like to auto run it once the raspberry pi ...
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33 views

Adafruit Neopixel 60LED RGBW Strip showing up with wrong RGB color

We are currently using the Adafruit Neopixel RGBW 60 pixel LED strip with our project, and are currently trying to control it. The strip, however, is displaying incorrect colors when trying to ...
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20 views

Is it possible to consistently apply voltage to two or more devices?

I want to connect two or more of the following actuators to my raspberry pi: https://www.ebay.com/itm/Nano-Magnetic-Actuator-diy-micro-plane-model-servo-micro-actuator-0-5g-/183745663278 However, ...
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1answer
110 views

Raspberry Pi 4 - Adafruit MAX98357 - No Sound from speaker

We are following this: https://learn.adafruit.com/adafruit-max98357-i2s-class-d-mono-amp/overview tutorial to setup our Raspberry Pi 4 with an Adafruit MAX98357 I2S Class-D Mono Amp to a speaker (4 ...
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27 views

Unable to use I2S MEMS microphone in google duo web

I am using Adafruit I2S MEMS Microphone in raspberry pi 3 running raspbian buster. I installed it successfully following adafruit guide. It is working well for recording using arecord. My .asoundrc ::...
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74 views

Raspberry pi with 1.3" oled i2c screen

I'm currently trying to use this 1.3" i2c oled screen with the Adafruit oled i2c library, but I'm currently getting this issue: I have made sure to run the setup.py and all of the code is the same. ...
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2answers
213 views

AdaFruit ServoKit CircuitPython Blinka Library Installation Problem

I'm follow along with a tutorial to get started with using CircuitPython to control servos on my RaspberryPi (https://learn.adafruit.com/adafruit-16-channel-pwm-servo-hat-for-raspberry-pi/using-the-...
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30 views

Adafruit OLED (128x64) display very dimmed?

I bought the Adafruit 128x64 OLED Bonnet and tested it with the demo program. Unfortunately the luminosity is very low and it is not satisfying: I have tried to adjust the contrast from 0 to 255 but ...
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27 views

Adafruit_MotorHAT PI4

I am trying to run the following the code on PI4. from Adafruit_MotorHAT import Adafruit_MotorHAT # pylint: disable=import-error import RPi.GPIO as GPIO # pylint: disable=import-error import time ...
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11 views

Adafruit ServoHat Second Row of Ground Pins [closed]

I am trying to access the second row of ground pins on the Adafruit ServoHat, however, these pins don't seem to work. Here is the link to the schematic diagram of the servo hat: https://cdn-learn....
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50 views

Adafruit ServoHat importing PWM object

I am following the Adafruit page regarding the ServoHat for the Raspberry Pi. I am unclear what module to import to get the PWM class. This is the page about using the PWM class: https://learn....
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1answer
327 views

No module named 'adafruit_circuitpython_servokit' [closed]

I have a Adafruit PWM hat and I am trying to run play around with some servos. However, when I run this line: from adafruit_servokit import ServoKit It returns: No module named '...
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1answer
309 views

Rpi4B buster CircuitPython Blinka Servo Board Installation Problem

I read MagPi 84 Aug 2019 page 44 Melissa LeBlanc_Williams's article on using Rpi4 circuitPython to control a robot using two boards: (1) BNO055 9-Degrees-of-Freedom (DOF) Absolute Orientation Module,...
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1answer
53 views

is the Adafruit read-only script suitable for my project?

I would like to know whether Adafruit's read-only raspi script (described here: https://www.raspberrypi.org/blog/adafruits-read-only/) is suitable for my project. My project is a camera trap that ...
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2answers
125 views

Making the VCNL4040 proximity sensor work on Python

I purchased the SparkX module with the VCNL4040 proximity sensor you can see here: to use this sensor via Python, but on the repo for the Adafruit library it seems like the library is not available ...
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0answers
40 views

PiTFT: Serial only works with HDMI plugged in

I am using a PiTFT 2.8" on an original Raspberry Pi B. I just reinstalled Raspbian and setup the PiTFT using the Adafruit easy install script to launch to console. I have a python script that ...
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0answers
154 views

Safely connect Adafruit's powerboost 1000C LBO to rPi-GPIO

I would like to connect Adafruit's powerboost 1000C LBO control pin to a rPi GPIO-pin. So I can gracefully shutdown my rPi when the LiPo runs low. I would like to connect the LBO to a diode to lower ...
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0answers
150 views

Raspberry Pi 3 B+ not reading time from the GPS

I have a Raspberry Pi 3 B+ with Adafruit Ultimate GPS HAT (https://www.adafruit.com/product/2324) with external antenna. I configured the device to act as NTP server but the NTP server won't work (No ...
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87 views

Adafruit CircuitPython DHT22 reading exceptions

I am using the program from Adafruit's Circuit Python to read the values from DHT22/AM2302 sensor. At the start of the program, I often get the exception A full buffer was not returned. Try again. ...
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1answer
197 views

Adafruit speaker bonnet: no error and no sound

I bought an Adafruit I2S 3W Stereo Speaker Bonnet with the 2x20 header pin pre-soldered and also the speaker set. The bonnet does not neatly stack on top of my Raspberry Pi 3 Model B+ because of the ...
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0answers
91 views

MPR121 capacitive touch is sensible enough?

I have a Rapsberry Pi 3 A+ with an Adafruit Capacitive Touch HAT for Raspberry Pi (MPR121) and the idea is to plug it to the wet soil of a plant and it detects when I touch the plant (or a leaf) and ...
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117 views

Unable to get accurate RPM with Adafruit Stepper Motor HAT v0.1

I'm trying to drive some stepper motors using a Raspberry Pi 3 B V1.2 and an Adafruit Stepper Motor HAT v0.1 and am having trouble setting them to the speed I want. The motors have a step angle of 1.8 ...
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16 views

Is it possible to use Adafruit's Arduino libraries for my Raspberry Pi alone? [duplicate]

I have a MPR121 touch sensor, LSM303DLHC accelerometer & magnetometer, & SSD1306 128x64 display, and I don't have a Arduino.
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2answers
38 views

How to get the i2c ground signal to pass into the rasberry pi

I want to build a circuit, that is a Raspberry Pi Zero W, powering 8 Adafruit Alphanumeric displays (or even more). The max, theoretical current draw from an Adafruit Alphanumeric is 280mA. ...
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1answer
228 views

Adafruit PAM8302A -> Raspberry Pi 3

I want to connect Adafruit PAM8302A amplifier to the Raspberry Pi 3 Model B+. What I need? How to do this?
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2answers
88 views

I2C Detect shows that Rasberry Pi keeps assigning the same address to 2 devices

I'm trying to hook up 2 Adafruit Quad Alphanumeric displays to my Rasberry Pi 3 B+. From what I understand, all I need to do is hookup the displays in series to the SDA SCL outs, and the I2C chip is ...
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1answer
24 views

Changing FeatherWing Address via Solder Jumpers [closed]

I'm connecting two 7-segment LED's to the SDA and SCL lines of a Pi and controlling the display using the example Python code. Currently both displays show the same number. I want them two show ...
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1answer
258 views

Trouble accessing Sensirion sht21 though multiplexer tca9548a using i2c and python

I can't reach my sht21 sensor throughout the Multiplexer tca9548a (adafruit). When I run it with python3 in the raspberry pi's terminal, I get this error report: Traceback (most recent call last): ...
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1answer
4k views

I2S Recording combined with I2S Playback

I have a Raspberry Pi Zero and I am using the Adafruit I2S MEMS Microphone together with the ADAFRUIT I2S 3W CLASS D AMPLIFIER BREAKOUT - MAX98357A. I did follow the two respective tutorials and I ...
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1answer
94 views

Adafruit_Nokia_LCD module on Raspberry Pi Zero W

I'm stuck with this Adafruit module. I was able to install without errors on a Pi2, but when I tried to replicate on my Zero W the installation goes fine but then I cannot import the module ("...
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0answers
118 views

Compute module 3 versus compute module 3 lite difference

I want to buy Compute module 3 and from looking at the description the difference between CM3 and CM3 Lite is that the Lite version doesn't have on board SD card. So if I buy the lite version I can ...
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1answer
260 views

Sharing SPI Adafruit PiTFT and RFID RC522

I have a Pi Zero 1.2 connected to an Adafruit 2.8" PiFTF screen and a RFID-RC522 board. I also have a thermal printer connected to TX/RX, but I don't think this plays a part in my question. The TFT ...
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2answers
336 views

Can't blink a LED using SPI interface on Raspberry Pi v3

As a part of my PoC project, I'm using single 5050 LED made by Adafruit. I wired it like this (LED - RPi): DI (Data Input) - SPI0 MOSI CI (Clock Input) - SPI0 SCLK GND (Ground) - GND VCC (5V) - 5V ...
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0answers
220 views

PI4J + Adafruit LCD with MCP23017

Got this device. Python example char_lcd_plate.py is working perfect. But I would like to manage it with Pi4J. I copied bits from python example LCD_PLATE_RS = 15 LCD_PLATE_RW ...
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0answers
227 views

How to fix adafruit 7" display resolution problem on PI3?

I recently bought adafruit 7" display to be used with my PI3 to see if it will work. Well, it sort of works. The screen comes up everything is displayed but the resolution is screwed up. I have tried ...