Questions tagged [library]
A library is a file that can be included into the code to add new instructions by combining many existing instructions and creating one easy to use instruction to call.
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HX711.h: No such file or directory although every thing is installed correctly!
I'm not quite new to the Arduino, I did some projects and some of which was using hx711 and load cells, they used to work in the past.
However, I tried it today, and it shows this error
HX711.h: No ...
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2
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is #ifdef __SD_H__ considered a bad practice?
Say I'm working on a library^1 to which I want to add support for SD.h^2 but knowing for a fact that many microcotrollers don't support SD.h (therefore they result in compilation errors [eg. Attiny85])...
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MKR GPS shield inconsistent GPS connection/data printing...library issue?
I have been using a MKR WiFi 1010 board with GPS shield for a very long time (year+) and have not been able to solve my problems with the GPS data dropping out.
The setup for my field application is a ...
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Impossible to install the esp_camera library
I cannot install the esp_camera library. When I try to add the .zip, I get "does not contain a valid library.
Everything about this ESP-32 Cam seems to rely on that library, and I can't find a ...
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Get 3-inch e-Paper working on a Nano
Please help!
I purchased a 3-inch e-Paper Display from Waveshare, which appeared to suit my project well. The exemplary little code to show an image was easy to set up and to demonstrate functionality:...
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Keyestudio KS5009 ESP32WROOM32 Smart Home
I'm encountering persistent errors with the sample code provided for my smart home kit project. Despite conducting extensive research and troubleshooting efforts, I haven't been able to find a ...
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Uploading a Library to the library manager from a Github branch
I am trying to upload a library to the Arduino Library Manager. I know the GitHub - arduino/library-registry: Arduino Library Manager list repository, and I have already read the instructions, but I ...
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Using Soft UART - how include library
I want to use the soft serial communication example.
But when I compile it, it sais:
/home/xxx/Arduino/SoftwareSerialExample/aa/aa.ino:28:28: schwerwiegender Fehler: SoftwareSerial.h: Datei oder ...
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Ability to connect 2 or more w5500 Modules and deal with them as objects
I wish to create a rudimentary ethernet in/out - switch/hub where I can (sort of) daisy chain my boards. (I don't wish to use a ethernet switch/router/hub)
One port would be acting as server
The ...
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What library does the Beetle BLE utilize for BLE commands?
I am trying to pair two gloves containing beetle BLE's on each, one set to a peripheral role and one to central to control leds for kids' party jewelry.
The Arduino.BLE library does not work with this ...
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Trying to resolve invalid conversion from 'byte' {aka 'unsigned char'} to
I'm trying to use an existing Arduino library on the Raspberry Pi Pico. The library is here:
https://github.com/j-bellavance/EdgeDebounce/tree/master
It's based on some interesting insight at Jack ...
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Why does analogRead(A0) deliver different Values when called in a library file vs calling it in the sketch directly
I wanted to write a library representing a sensor to later on have an array of sensors.
I generated a file MoistureSensor.h:
#ifndef MoistureSensor_h
#define MoistureSensor_h
#include <Arduino.h&...
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How do you take the simplest continuous reading from a Garmin Lidar Lite V4 using I2C on a Particle Boron v4.1.0?
Hey there Stack community.
I'm working with the Particle Boron v4.1.0.
I'm connecting a Garmin Lidar Lite V4 on I2C.
I'm using the LIDARLite_v4LED.h header file found in the library given for this ...
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With reference to Arduino Keyboard library, it does not have a keymap for UK keyboard, has anyone created a KeyboardLayout_en_UK.cpp file for this?
With reference to the Arduino Keyboard library, it does not have a keymap for the UK keyboard. I have tried to find a keyboard map that shows the hex value for the UK keyboard but I didn't have any ...
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How to drive two Stepper motors and use an Ultrasonic sensor together?
I am working on an autonomous robot using two 4-pin stepper motors, HC-SR04 ultrasonic sensor, 2 L298N motor drivers (one for each motor), and an Arduino Uno. My problem is that when I use the stepper ...
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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 ...
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Using library functions in timer ISR ESP32
I'm trying to use a library function in my ISR function that uses the internal timer to trigger every 1 ms. The chip that I'm using is an ESP32-C3-MINI. Here is my current code:
main.cpp
#include <...
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What is the best way to create a library from existing functions?
I was tasked to take functions that work, and create a library with these functions.
Take a look at the following function that existed inside a program:
char* Num_to_HEX_char_array(int32_t value)
{
...
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Unable to get my created library to work - while it compiles
I am experimenting with creating my own Arduino libraries. Unfortunately, while the program compiles, the end result does not work.
For purposes of experimentation, I have broken down the library in ...
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564
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ESPAsyncWebServer code not compiling
Error messages
Arduino: 1.8.14 Hourly Build 2020/12/15 11:33 (Windows 10), Board: "Generic ESP8266 Module, 80 MHz, Flash, Disabled (new aborts on oom), Disabled, All SSL ciphers (most ...
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1MHZ Attiny85 RF with MANCHESTER library
I'm trying to set up a transmitter made by the following components :
Attiny85 (I need 1MHZ speed)
Cheap 433mhz transmitter (FS1000A)
The library I am using is the Manchester library GitHub.
The ...
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Just installed Arduino 2.0.3 - what is windows path to associated libraries?
Just installed Arduino 2.0.3 and I attempted to build a sketch which includes a library that I manually installed in version 1.8.19 and it can't be found:
In my program I have
#include <DS3231.h>...
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52
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Adding RTC Library for Arduino Project in Visual Studio
I am working in an Arduino project in visual studio. I need to get and set time to a RTC clock. That's why I am adding a ds3231 header file in my project from GitHub. When I want to build "it's ...
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1
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Making library for arduino
I'm learning library making on arduino , I want to make a library that works with arrays a user sets, e.g:
User sets array of int,
when a certain function is been called the library will check if ...
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658
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I need help with creating a menu using u8g2 library
I want to make a project with a (Nokia 5110) display using u8g2 library.
Here I have the code for my program:
#include <Arduino.h>
#include <U8g2lib.h>
#include <TM1637Display.h>
#...
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1
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38
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Confusion regarding PID library?
PID library is available(built in) in standard installation of arduino IDE or do we have to download it additionaly after installing our IDE?
How can i check which of libraries are available in my ...
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Is there a FreeRTOS library for an Arduino Nano 33 BLE?
I can't seem to find any library online so I can start developing FreeRTOS tasks for the Arduino Nano 33 BLE in the Arduino IDE. Is FreeRTOS incompatible with this Arduino?
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Best way to "hack" a library without forking it
I'm using Visual Studio Code and PlatformIO.
I added some libraries to my project using platformio.ini:
lib_deps =
olikraus/U8g2@^2.34.4
crankyoldgit/IRremoteESP8266@^2.8.4
plerup/...
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709
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Library not found when using the arduino-cli command (although working with the Arduino IDE)
I have a sketch which I can upload without problem with the Arduino IDE. I installed the arduino-cli Version: 0.28.0 Commit: 06fb1909 Date: 2022-10-18T15:53:04Z. I want to compile and upload a code ...
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Is there a way to strip a library from all unused parts and defines, automatically?
Say you want to investigate part of the code you use from a rather large library, but it's buried between all kinds of #defines and classes etc, that you're never gonna use in your code.
Is there a ...
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#define from main (.ino) not considered by comiler in own libaries
I have got the problem, that my #define from main (.ino) is not considered by the comiler in my own libaries. This #define MQTT_MODULE is only considered in the main (.ino) programm, but not in ...
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84
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Can I run Arduino code on a 6502?
I've been doing projects with the arduino boards for a long time and accordingly also with the libs from adafruit etc. But that was too boring for me and I wanted to get more into the matter, so I ...
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How to configure 16x2 character LCD to work with 8bit?
I have the LiquidCrystal library installed but all the examples are for 4bit connection, I want to drive the LCD with 8bit.
In LiquidCrystal.cpp file it says;
When the display powers up, it is ...
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Library fails to compile
I want to try out this library:
https://github.com/connornishijima/arduino-volume3
I downloaded the zip file from github, renamed it, and included it as a library in the IDE.
So run one of the ...
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120
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Fluctuation in 4 half bridge load cell via combinator
I'm currently using a Sparkfun 4 Half-Bridge load sensor (50 Kg) with combinator and amplifier both are from the Sparkfun. Link:https://www.sparkfun.com/products/10245 (For Load Sensors)https://www....
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38
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TVout characters don't line up
I am messing around with the Arduino TVout library and I have created some multi-character tiles (I don't know what else to call them). Just to start out, I created a simple X that spans across 4 ...
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861
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PlatformIO - Creating a library including a 3rd party library
I'm using PlatformIO, and I'm trying to create a library who uses another library in it.
(1) For that I created an empty library called ABCD.h stored in a newrep github repository.
(2) 3rd party ...
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Create a library when using PlatformIO
(1) I'm trying to work with libraries in PlatformIO format", for , of a library, located in Arduino's libraries, where code is llocated under \src directry.
(2) Any other library, not it "...
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Arduino create Json Array with double values and 2 decimal point
How i can create a Json Array with double values and 2 decimal point using the ArduinoJson Library?
https://arduinojson.org/v6/how-to/configure-the-serialization-of-floats/
In the folowing small ...
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Please help me navigate the stepper motor object definition in the documentation
I am trying to use the stepper library and the stepper object is documented like this
This function creates a new instance of the Stepper class that represents a particular stepper motor attached to ...
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1
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125
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How to use two timers 1 and 4 simultaneously in Arduino Mega 2560
I activated timer 1 and its interrupt on the 2560 board and it works properly. Now I want to run Timer 4 as well. I installed the Timer 4 library, but when I compile the program, I get the following ...
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AccelStepper motor current position
When using the AccelStepper library to control the motor, I need the current position of the motor at any given time when in motion. However, the functions in this library blocks so currentPosition() ...
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132
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Odd behavior of defines - is this Arduino specific and how does it work?
A question I have long had regards an interaction between #define statements and a library header include. I've seen several Arduino libraries use this rather convenient configuration system where you ...
user47164
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Undefined reference to function in custom library
Hello I am making a private Arduino library but am having trouble understanding how it is linked. Why does this h file work, but when I move the definition of board_led to a matching c file, it throws ...
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Is it possible to use mathematical sets and their operations in arduino?
In python there is the object set that resembles a mathematical set, namely, you can remove elements from it, add elements to it, you can calculate the intersection/union between two sets, etc.
Is ...
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Arduino HX711 load cell lots of drift
I am trying to make this 50kg load cell work with this HX711 chip. I currently have the following connections :
Load cell red -> E+
Load cell black -> E-
Load cell white -> A-
Load cell ...
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Problem adding library in the Arduino IDE
Currently, I'm trying to build image processing on ESP32 using OpenCV GitHub - joachimBurket/esp32-opencv: Shrinked OpenCV for ESP32. Then I want to put this library into Arduino IDE.
But, I'm having ...
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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, ...
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Error compiling arduino sketch to seeduino xiao for RF24 Module
I am trying to get 2 rf24 modules talking to each other. This is my first real arduino project so bear with my ignorance please. I could get them to work with 2 arduino nano but, when trying to ...
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813
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Add library to CLion project
I have a new project created with PlatformIO in CLion. I've copied the Servo-1.1.8 library into the include directory.
#include <Arduino.h>
#include "Servo-1.1.8/src/Servo.h"
Servo ...
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