Questions tagged [adafruit]

Use this tag if your question relates to Adafruit products.

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Using Adafruit RFM96W with Raspberry Pi for a end node of The Things Network

I am trying to create a Raspberry Pi 3 end node with the Adafruit RFM96W module and raspi-lora library but it seems that the library has no configurable APPSKEY, NWKSKEY, DEVADDR and etc., so I won't ...
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22 views

adafruit_drv2605 AttributeError: object has no attribute 'try_lock'

I am using a Texas Instruments DRV2605 to drive some haptic motors. I am using the Adafruit library here to communicate with the DRV through Python. I need to set some bit registers of the chip but ...
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40 views

How to Disable Hardware SPI Chip Enable/Chip Select?

I'm setting up a Raspberry Pi 4b with a number of Adafruit chips, and thus have used their CircuitPython library to control SPI communication. They've conveniently set up a way to use any GPIO pins as ...
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19 views

Can I use a TP4056 Micro USB 5V 1A instead of a powerboost 1000c to a Raspberry Pi Zero?

I am using a Raspberry Pi Zero and to make it rechargeable I need a Powerboost 1000c (from https://www.adafruit.com/product/2465) would I be able to supplement this for a TP4056 Micro USB 5V 1A? This ...
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1answer
47 views

sudo python3 generates error but python3 does not

I don't understand why "sudo python3 temphumlogger2.py" triggers a module error, while "python3 temphumlogger2.py" executes no problem. Outputs below, and code below that. I want ...
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1answer
49 views

Show boot info on character LCD

Is it possible to show boot log or info on a character LCD that the Raspberry Pi is still booting? I'm using a generic 16x2 character LCD
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1answer
50 views

Converting from RPi.GPIO to circuit python digitalio

I didn't write this code (just made some modifications) but it was using a depreciated library so I'm trying to update to the official circuit python libraries and update everything for python3. This ...
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1answer
31 views

How do I connect my 24 pin fpc to dip breakout board to my rpi zero w?

So I am working on a type of headset and I bought the adafruit 1.3 ips with 24 pin fpc connector and st7789 driver and I'm thinking of using a breakout board to do it. What I don't know is the pin out ...
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40 views

BNO055 RUNTIMEERROR WITH RASPI 3 and UART port

I have some troubles to run bno_simpletest.py correctly. I updated my raspbian, activated serial port, disabled bluetooth, I'm using serial.Serial, I tried both commands in the code : "uart = ...
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1answer
36 views

Cannot pip install adafruit-circuitpython-mlx90640

I am trying to install adafruit-circuitpython-mlx90640, a library for the MLX90640 thermal camera. When I run sudo pip install adafruit-circuitpython-mlx90640 I get an error that no matching ...
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0answers
55 views

Adafruit PiTFT capacitive touch not showing on i2c

I recently picked up one of the overhang versions of the pitft 2.8 capacitive touch and tried the easy install with the 640x480 mirror of HDMI in pixel/xwindows. But I was not getting capacitive touch....
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31 views

Multiple LED strips over Pi4

I am trying to control 3 LED strips independently over Pi using python. As Pi4 only has 2 PWM channels, 0 and 1, I have only been successful in controlling 2 LED strips. I even tried the software ...
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1answer
30 views

Scaling down Raspbian for Adafruit PiTFT 1.14"

I want to use the Adafruit PiTFT (click here) 1.14" with the Raspbian Desktop. How can I scale the Raspbian Desktop down so that it will be normally sized on the 240x135 px screen? An example with ...
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1answer
28 views

PIR sensor shows movement when no movement is present

Completely new in the Raspberry Pi community, so please excuse me if this is a total noob question. Model: Raspberry Pi 4 Model B Component: Adafruit PIR motion sensor I am currently following the ...
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78 views

Adafruit BMP280 Temperature Sensor with Raspberry Pi

I am using Adafruit BMP280 Temperature sensor breakout board with Raspberry Pi 3 Model B. OS- Android things. I am using library: https://github.com/androidthings/drivers-samples/tree/master/bmx280 ...
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35 views

raspberry pi zero I2S record and playback

I am following this answer to enable both audio record and playback on RPI zero. My question is: dose the files ~/.asoundrc and /etc/asound.conf conflict each other? Sorry, I should just comment ...
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1answer
93 views

How can Rpi python 3 uses PCA9685 PWM controller to change direction and position of a servo?

I need help understanding the code in the turn.py file, which is a part of the this project, please look #!/usr/bin/python3 # File name : car_dir.py # Description : By controlling Servo,the camera ...
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1answer
37 views

Raspberry Pi 3 DHT 22 incorrect readings

I have configured the RPi to read value from the DHT 22 sensor. I have used AdafruitDHT library but when I start AdafruitDHT.py script I got totally incorrect value e.g. "Temp=537.7* Humidity=1152.0%" ...
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0answers
113 views

Headless Shutdown of Raspberry Pi using Adafruit-GPIO-Halt

I am new to Raspberry Pi and am trying to use the headless shutdown module provided by Adafruit. I downloaded the script of Adafruit-GPIO-Halt to my Raspberry Pi, installed it to the /usr/local/bin/...
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27 views

How to swap displaying on Adafruit TFT back to HDMI

I’m new here. Recently got the adafruit tft display, tried it out but now want to swap back to HDMI output to display on monitor as before. Original instructions : https://learn.adafruit.com/adafruit-...
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4answers
83 views

Why is my relay switching on automatically when I start my program?

I'm building a little automated hydroponics system using a raspberry pi zero, a 5 volt relay, a pump and a soil moisture sensor from adafruit. So far everything is working, I can pull the pin to high ...
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1answer
53 views

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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94 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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0answers
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
365 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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74 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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1answer
243 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
578 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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0answers
41 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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76 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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0answers
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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61 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
696 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
390 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
84 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
206 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
60 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
227 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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1answer
234 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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1answer
341 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
108 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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0answers
169 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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2answers
42 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
416 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
108 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
29 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
389 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): ...
2
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1answer
6k 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
141 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
125 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 ...