Questions tagged [adafruit]
Adafruit Industries is an open-source hardware company founded by Limor Fried in 2005. Use this tag to mention issues with Adafruit products or tutorials.
355
questions
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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 ...
- 23
1
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0
answers
21
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Code not displaying/working DFRobot SIM808 shield data on Adafruit 1.69" ST7789 rounded screen
I have been having trouble with the code below not display and possibly not working and or looping. Before making changes to my code I had a problem where the Serial monitor would print up to "...
- 11
0
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0
answers
40
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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 ...
- 223
1
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0
answers
16
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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....
1
vote
1
answer
64
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CircuitPython - how to connect Adafruit esp32 AirLift with Adafuit HttpServer - incompatible socket object
I am building a CircuitPython weather station based on Adafruit M4 board stacked with Adafruit ESP32 AirLift module. Both work fine together when it comes to making http calls (via Adafruit_requests ...
- 125
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1
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101
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Will an Arduino Nano work instead of Teensy 3.2?
I hope this is ok to post here and I appreciate any suggestions or help and opinions/facts to make this work.
First off I’ve Never programmed an Arduino device!
I was looking at this project:
https://...
- 19
1
vote
0
answers
67
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Unable to use RF M4 Receiver with servo motor
I am trying to control a servo motor with the following code:
#include <Servo.h>
Servo servo;
int const inputPin = 3;
void setup() {
Serial.begin(9600);
servo.attach(9);
pinMode(...
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-2
votes
1
answer
29
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how do I wire a 2nd Adafruit TMP117 board to my Adafruit Metro by I2C?
I want to connect two TMP117 boards to one Metro (ie. Arduino).
(the first, addressed at 48 the 2nd at 49.)
Should 2nd board's 4 wires simply attach (ie. solder) in parallel to 1st board's 4 wires?
(...
- 191
-1
votes
1
answer
56
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ADXL345 to detect sudden and large changes in acceleration
I am working on school project to develop, basically, a shock sensor when the object containing the ADXL345 is thrown to the ground.
I have used the Adafruit ADXL345 sensortest from the library but I ...
- 99
0
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0
answers
746
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Adafruit_SSD1306.cpp fatal error: pgmspace.h: No such file or directory using SSD1306 on Arduino Nano RP2040
I am currently trying to get a SBC-OLED01 display to run under my Arduino Nano RP2040. I use the official example from Adafruit, attached is the code.
/*************************************************...
- 111
0
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0
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324
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String of raw data to Char Hex Array for Bitmap
I'm trying to transfer a monochrome ~4kb image file over WebBT to an ESP32 via BLE.
The EPD display looks for an unsigned char array to represent a bitmap. So..it should be in the format of something ...
- 109
-3
votes
2
answers
342
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Error when compiling program for esp32 with Preferences.h
I'm trying to write a program for an Adafruit ESP32-S2 TFT Feather. I However cannot get it to compile my program involving any use of <Preferences.h>. I can't get Arduino IDE to compile even ...
- 11
0
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1
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79
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A bug with multiple IR detectors
I have a device power by arduino nano atmega328.
The idea of this HW is to detects dropped seed (corn, oil bean etc.) and to count it.
I wrote initial code, but id does not work in an expected way. it ...
-1
votes
1
answer
60
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What are these 18 extra ports on the adafruit-gfx 2.8"
I recently got the Adafruit gfx 2.8" display, which works fine.
It's quite obvious that it requires almost all of the pins on the UNO. However, I don't understand what are the 18 avaliable "...
- 101
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0
answers
125
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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 ...
- 11
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1
answer
39
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Can't get Adafruit MusicMaker and Ethernet to work at the same time
Working on an IoT project.
Environment:
Adafruit Feather M4 Express
Adafruit MusicMaker FeatherWing (amplified, this is a VS1053 at heart)
Silicognition PoE FeatherWing (electrically compatible with ...
- 101
0
votes
2
answers
2k
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What is the difference between SCLK and CLK pins?
Please do forgive me if anything in this question does not make sense, I am very new to PCB and Arduino.
I am following a tutorial through where the person doing it is making a small data computer (...
2
votes
1
answer
76
views
How to combine servo shield with peristaltic pump?
I am creating a project where I need 16+ (possibly up to 20) servos to open/close liquid flow through tubing, which in turn will be controlled by a peristaltic liquid pump (https://www.adafruit.com/...
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1
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1
answer
130
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Reading & writing a configuration file on an Adafruit Circuit Playground Express
I would like to store an application's configuration in a file stored on the Circuit Playground Express (CPX) flash. The application itself needs to be able to update the configuration file. Things I ...
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2
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1
answer
271
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Why is the Adafruit splashscreen logo not displayed properly?
I'm working with a 128x64 Oled display. I have just installed the Adafruit library and I'm running some sample codes. I have not modified the sample code in anyway yet just testing if the oled display ...
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-1
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1
answer
165
views
Using Arduino to allow continuous servo to go in the opposite direction
For my project I am using 6 continuous servos connected to an Adafruit Servo Shield. To run them I use
pwm.setPWM(0, 0, 1000)
and then set a delay to run them for how long i’d like to, then run
pwm....
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2
votes
1
answer
65
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Can this display's address be changed?
I need two displays hooked up to an Arduino MKR Wifi 1010, and I saw this video which shows how to do it: this video. I also would like to have a full color oled display about 1 inch big so I would ...
Samm
-1
votes
1
answer
432
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Can I configure an Arduino via NFC using PN532 with an iPhone as the source?
It seems clear that Apple has intentionally limited the possibilities with NFC, so I understand that I'm going against the grain here. However, I need to support Android and Apple for my device setup, ...
- 129
0
votes
2
answers
113
views
Library that pulls ID3v2 info from MP3s
I'm using an Adafruit Music Maker with a TFT screen on my Mega 2560. I can pull ID3v1 data from the end of an MP3, but I'd like to get the ID3v2 data as I can then push the album cover art to the TFT ...
- 123
3
votes
1
answer
170
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How to install Adafruit motorshield library in arduino-cli
I need to install this library using the arduino-cli software. I don't know what name to use for the library. Using
arduino-cli lib install <library_name>
I have tried Adafruit_MotorShield, ...
- 151
0
votes
1
answer
48
views
Mega 2560 with Adafruit Music Maker and TFT - Pin reroute
I'm building a custom headunit for my motorcycle using the Arduino platform. I wanted to try it as the modular nature of the board and shields looked very versatile. While there does seem to be plenty ...
- 123
1
vote
0
answers
185
views
How to use an Arduino to play audio from an Adafruit Soundboard using audio file name
I'm trying to control an adafruit soundboard with my elegoo uno R3. I'm a beginner programer and I'm trying to get the soundboard to play a sound file by name when I press a button. I have confirmed ...
- 111
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0
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289
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Arduino UNO and PCA9685 - Problem with external power supply
I am totally desperate and hope you can help me.
I've been building a project for a while where I have to control several servos. For this I bought some MG996R servos and a PCA9685 16-Channel Servo
...
- 161
1
vote
1
answer
108
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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 ...
- 170
1
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1
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170
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FastLED and Adafruit Gemma M0 - Getting started
I just bought a Gemma M0 and I'm trying to use it with FastLED. There are several forums that discuss the same errors I get when I try to upload my code, but they all involve editing .h files, ...
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0
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145
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RTClib.h problem
In Library Manager RTClib and DS3231 work somehow with older versions. RTC time can picked only once and then it give bullshit. Using newest versions screen is empty.
In picture first time is right, ...
0
votes
1
answer
191
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Capacitive touch on Adafruit Trinket M0 goes unstable when USB cable from laptop is disconnected
Note that to get to this point, I used much of the helpful information from the Post
How to use capactive touch on Adafruit board in Arduino mode?
I am using a Trinket M0 with the Arduino IDE with the ...
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0
answers
264
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How to correctly use SSL certs with the Adafruit SIM800H
I am trying to use a Adafruit Sim800H to connect to Azure using MQTT with an SSL certificate. My first step is trying to put a new SSL certificate onto the board. To do this I am using this example ...
- 111
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0
answers
205
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Flash HEX onto an Arduino board
The scenario: I have built a device off an Adafruit nRF52840 and I need a way to deploy firmware updates. I have delivered the device to my end user and will need to periodically send him updates.
I ...
- 11
1
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0
answers
32
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Issue displaying on Adafruit display when enabling GSM communication
I am trying to write to the adafruit display using Arduino MKR1500 when it is connected to the internet. The issue I am facing is when I add the code to connect to the cloud, the display stops working....
- 67
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1
answer
1k
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How to fade LED in a defined time using FastLED
I'm using FastLED library, Arduino Nano and 5 addressable LEDs (WS2812B).
I'd like to create the sequence in the image attached. (all in white color for example)
I know how to turn ON each LED every 0....
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1
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0
answers
30
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Driver configuration not showing the right numbers on the Graphics Test example's serial monitor for Adafruit IlI9341 library
I have a 2.8" Color TFT Touchscreen from Adafruit, and I'm currently trying to set it up. I've been following this guide to set up the screen. The screen powers on when connected to power, but it'...
- 71
0
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1
answer
216
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Adafruit Thermal Printer unwanted gradient
I have thermal printer from adafruit and when printing images I have problems getting a proper black.
I tried playing with the dot print time and the dot feed time using the setTimes function, but ...
- 9
1
vote
0
answers
95
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How to use 5v and 12v addressable led strip together
Hi guys I’m new to this forum and also not much experience about led lights question already asked but didn’t get any detailed answer I want to know can I provide working data signal to 2 different 5v ...
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0
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72
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SD Card Library interferes with Adafruit
Im currently working on a datalogger that uses oled i2c displays and current sensors. Both of them uses adafruit libraries. To write the data, im using arduino's sd library, but somehow, the sd ...
- 31
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0
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500
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Calibrating Adafruit TCS34725 for RGB colors
I am new to Arduino. I am currently working on a project which requires color detection using the TCS34725 Adafruit sensor module.
For the project, I need to calibrate the sensor with RGB colors. ...
- 11
0
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1
answer
637
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HX711 Ridiculous speeds
I'm using a SparkFun HX711 board and an Adafruit AdaLogger (M0) Featherboard. I have cut the trace on the back of the HX711 to get a faster data rate (should be about 80 sps). I did this by reviewing ...
- 134
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1
answer
82
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Adafruit OLED 7 Pin Display - Abbreviations
I can't remember for the life of me how exactly I set up this screen in previous models, partially because the references I'm using in my code have different names from the pins on the Adafruit ...
1
vote
0
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120
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Adafruit soundboard with esp32
Board: ESP32 Development Board
I am trying to get the adafruit soundboard code to work on my ESP32. I have installed espSoftwareSerial but I keep getting errors with their sample code.
I receive
...
- 111
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0
answers
46
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Servo make partial rotation and stop working automatically
I'm using this board in my robotic arm project:
Adafruit PCA9685 16-Channel Servo Driver (
https://learn.adafruit.com/16-channel-pwm-servo-driver/using-the-adafruit-library)
I've connected all of my ...
- 111
1
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0
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104
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DHT-sensor-library-master
I only uploaded the library to check whether it has installed correctly. It's installed and i am having this error. Using library DHT-sensor-library-master at version 1.4.1 in folder: C:\Users\Mcniven\...
- 11
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0
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69
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Adafruit CCS811 Air Quality Sensor
in my arduino project I use the Adafruit CCS811 Air Quality Sensor Breakout - VOC and eCO2, I need the references and sizes of these components, knowing that I have found the electrical diagram but ...
2
votes
0
answers
396
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Send sensor data through GATT with Adafruit Bluefruit
I have the BLE Module Adafruit ItsyBitsy nRF52840 Express and I want to send sensor values from a Hallsensor to my computer. I was able to have the right data checking with the Serial monitor.
int ...
- 21
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1
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420
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How do I set up communication between the "Seeeduino Xiao" and the "Adafruit Bluefruit LE UART Friend - Bluetooth Low Energy (BLE)"?
I've seen normal Arduino boards connecting to it no problem (Uno, Nano, etc.). I'm trying to connect it to my Seeeduino Xiao. It has UART compatible pins, so I'm fairly certain wiring isn't an issue. ...
David Short
0
votes
1
answer
180
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Error Compiling for board Arduino Nano while using Adafruit GFX
Whys is this happening to me??
I have to meet a deadline please help!!
Here is my code.
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h&...
