Making own library
Hi , i like to make a new library foe esp32 BLE . Is there any link to guide me through so could make on my own 5 posts - 5 participants Read full topic
View ArticleOLED won't initialize?
Hi all -- this is my very first post here so I'm sorry if I make any mistakes, but I'll try my best to get the point across This project includes an Arduino Uno R3, an LED, a servo motor, an...
View ArticleBluetooth examples error
I am using an Arduino Nano esp32 and the Arduino IDE. If I open the SerialToSerialBT example and try to build, I get the compilation error message - Serial Port Profile for Bluetooth is not available...
View ArticleMaking Moisture Threshold to Open Water Valve
Hello Everyone, I wanted to make a water valve open if moisture levels fall under a certain threshold. Not too familiar with coding on the Arduino IDE and just needed push in the general direction....
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Resetting microcontroller using MCP2221's GPIO pin
Back story: Thunkit Electronics once made a 100% through-hole version of Arduino UNO called Makit THT. They use MCP2221 as it's the only USB - UART converter chip that comes in a DIP package. These...
View ArticleLimit Switch Issue for Stepper Motor Application
Hi all, I have been having this problem using the stepper.h library with a limit switch. The prepose of this code: Stepper motor is a linear actuator that drive a load forward and back per cycle. The...
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Ways to access structs
Hi All I am studying structs at the moment and according to the tutorial in the link below (from minute 14), there are a number of ways to access and modify structs....
View ArticleConfig save, read from file with loop
Hi! I need to tell i'm not too professional in c, now learning, i readed books, and mutch of forums, and i have a question. And my english is poor. I try to create a function to configuration save and...
View ArticleConnecting to ArduinoCloud with new 4G module
Hi, I'm trying to connect to ArduinoCloud with the new 4G module (EMEA) using Portenta C33 on the Portenta Mid Carrier. Http requests and SMS etc. work all fine but haven't seen any tutorials or code...
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SPI Master - trouble with signal burst
SPI Master on Arduino Nano I'm having problems to get the SPI commnication to work on an Arduino Nano. The final project shall connect an RaspPi (master at 3.3V) with an Arduino Nano (slave at 5V) via...
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Flame rod / UV scanner with Arduino?
I've been looking for example projects of people making flame detectors with microcontrollers. Most people seem to be using the IR type of sensors and it seems fairly easy to replicate. However I am...
View ArticleR4 Wifi + USB Host Shield NOT WORKING
Background Info: I'm trying to use an Arduino R4 Wifi (bought through the official provider from Amazon), connected to a pre-soldered USB Host Shield with the 74HC125 chip ($19.39 - USB Host Shield...
View ArticleMunchhausen by Proxy / Factitious Disorder Imposed on Arduino
I have been seeing new users with more solutions than I had in two years by bringing half-baked code (copied or gpt generated) and "solving" their own post with no solution, just selecting their own...
View ArticleDF robot MP3 save last mp3 played before shut off?
Hi, I am currently waiting for my df robot mp3 player to arrive in the mail so I unable to test hence why I am posting. The mp3 player has the ability to cycle between mp3 tracks but I was wondering...
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Verifying Electrical Schematic for humanoid Robot
Hello! I am trying to build a servo transformer robot, and I want to verify my wiring diagram, to make sure I'm not missing something. I'm planning on using 32 SG90 Mini servos, as well as an arduino...
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Fail to compile for Arduino Nano ESP32
Hardware: Arduino Nano ESP32 Laptop: MacBook Pro Apple M3 Max, Sonoma 14.4 Using Arduino IDE 2.3.2, [macOSApple Silicon, 11: “Big Sur” or newer, 64 bit] installed esp32 version 3.0.0 by Espressif...
View ArticleCombina stepper mas encoder rotativo
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View ArticleEncoder rotativo mas steper
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Combina Encoder rotativo mas stpper
#include <Stepper.h> #define <Steps 32> volatile boolean tundetected; volatile boolean rotatiodirection; const int PinCLk = 2; const int PinDT = 3; const int PinSW = 4; int RotaryPosition...
View ArticleReading switch with resistors to analog input, break before make issue
Another of my SimRail train simulator controllers. This time a simple one, a 4 position industrial style rotary switch and a button, to operate the wipers and wash the windscreen in the virtual...
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