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21
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How should synchronous FSMs communicate in a task-based embedded system?
I'm building an Arduino project for a drone hangar system.
It must be implemented using a task-based architecture and synchronous FSMs (each task has its own FSM, and tasks run in a fixed periodic ...
0
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42
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How can I increase EEPROM emulation size on STM32F103 using Arduino Core?
I'm using an STM32F103 with the Arduino STM32 core. The built-in EEPROM emulation works, but the default EEPROM size is limited to 2048 bytes.
I want to increase the available EEPROM size for STM32F1, ...
-1
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0
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46
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Arduino Leonardo Mouse.move() only works once over Serial commands
I'm trying to control the mouse using an Arduino Leonardo (ATmega32u4) via Serial commands.
I want to send multiple commands in sequence, like M,-10,0 or M,0,10 to move the mouse.
Problem:
The first ...
-3
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0
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57
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How would I use the softwareWire library in conjunction with the HK16K33 library? [closed]
The title (mostly) explains the question. Simply put, I'm trying to run multiple HK16K33 4digit 7 segment displays, with different outputs, on one Arduino. Some searching gives me the library ...
-3
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23
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OV2640 - 75 MM is not working with ESP32 cam [closed]
im using ov2640 - 75MM cam with esp32 cam module for collecting the images for my project .using this code .
here is the code -
/**
* Optimized for OV2640 2MP 75mm Camera Module
* Corrected for ...
1
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0
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87
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I want to open a web server with ESP32
I'm not good at English, so I used a translator.
Please understand that we cannot show all the code.
Currently, I am trying to open AP mode in ESP32 and send HTML information to the connected person.
...
0
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0
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30
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Arduino UNO Q with Zephyr OS
I am trying to set up my Arduino UNO Q to program using zephyr. I tried to set up a build enviroment as explained here: https://docs.zephyrproject.org/latest/develop/getting_started/index.html and ...
5
votes
1
answer
73
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sending serial data from processing to arduino
I'm a beginner in programming and looking for a solution for a windows user- interface to change parameters on a arduino board.
The whole target is a control unit for camera, flash and valves to make ...
1
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2
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112
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How to handle N buttons with separate actions in pure C on Arduino without writing N ISR wrappers?
I'm working on an Arduino project in pure C with multiple buttons. Each button has a different action associated with it, and I want to handle button presses using interrupts.
Currently, the typical ...
0
votes
1
answer
121
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Switch with hex codes giving duplicate case error using Arduino
I am working on a project where I have an LCD display text of Morse code and a buzzer to play the sounds for a set duration, and I have an IR receiver and remote as input for the Morse. The issue is, ...
-1
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0
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46
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Distance Measurement System Using Arduino UNO and Ultrasonic Sensor
I am building an IoT system to measure the distance from two individual points by using two HC-SR04 ultrasonic sensors and two 16x2 I2C LCD displays to show each sensor’s reading separately.
Sensor 1 ...
0
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0
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43
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Core dump on using Queue FreeRTOS
I am trying to use Queue to pass on the data from read temperature to a LED Blink Task:
#include "DN_Task_DHT20.h"
DHT20 sensor_dht20(&Wire); // DHT20 sensor object
float ...
0
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0
answers
47
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SAM3X8E / Arduino Due: Timer/Counter not generating PWM on TIOB0 (PB27) — output stuck HIGH
I'm trying to generate a PWM signal on PB27 / Arduino Due pin 13, which corresponds to TIOB0 on the SAM3X8E (used on the Arduino Due).
However, the output pin just goes HIGH and stays there — no PWM ...
2
votes
1
answer
165
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How can I use the PN532 with an ESP32-Wroom-32?
The ESP32 cant find the NFC module (Pn532). I used the I2C and SPI without any promising results.
I used the Example code and edited the Pins
Every time I only Get this result: Serial.print("Didn'...
0
votes
1
answer
82
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Error Installing specific library in PlatformIO extension for VSCode
Currently running PlatformIO inside of VsCode on my Arch Linux machine for an embedded project. I'm coming from Arduino/ESP32 dev and my hope is to use my Nucleo-l476rg dev board within the arduino ...