[Nano ESP32-S3] Motors are working off of completely wrong Arduino pins
[reposted due to incorrect title] @UKHeliBob Hello! I'm having some weirdness with my circuit containing Arduino Nano ESP32-S3, logic level converters (LLCs), and L298 motor drivers with motors. I am...
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LED matrix with ArduinoESP
I am trying to build this clock,INTERNET CLOCK WITH RGB LED MATRIX 64x64 But im using a 74x74 led matrix from a surplus. The issue here is some difference in the connector, pin E does not exist on my...
View ArticleQuestion regarding ground. Connecting a 24v sensor with external power supply...
Hello, I wanted to connect this 24v sensor to my arduino, I would power it using a 24v power supply, my question is, do I have to connect the ground of my power supply to arduino GND? 13 posts - 4...
View ArticleMatching Arduino pin name to ATMEGA chip pin
I’m in the process of designing my first custom PCB around the ATMEGA4808 (32 pin). I’m not sure that I select the correct processor pins for my needed hardware The ATMEGA should drive a TFT or OLED...
View ArticleCan someone please tell me what's wrong
my NRF24l01 wont work when i press a button, for transmitter i use uno, for reciever i use nano transmitter #include <SPI.h> #include <nRF24L01.h> #include <RF24.h> RF24 radio(5,3);...
View ArticleArduino OPTA - Error updating wifi firmware
I'm using IDE 2.xx with OPTA and i made a program to connect by wifi. The PLC as reported 2 errors "AlPlcLoad failed " and "WiFiFirmwareUpdater". I try to upload firmware as recommended but the PLC...
View ArticleArduino Opta Reset LED Flashing Red
I am using the Arduino Opta on one of my projects. There is an LED above the reset button. Occasionally, this LED flashes red and the device stops functioning. I cannot find any documentation in the...
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Controlling 24V Led Strips with my PC (links provided)
Hello. I am try to control 5 to 15 meters of 24V Led Strips with my computer via an Arduino Uno. These are the strips My Arduino Uno came from this kit I am following this guide, following the diagram...
View ArticleArduino Mega and HC-05 Bluetooth Communication with ESP32
Hi, I have connected my Arduino mega with an HC-05 and am trying to get it to communicate with an ESP32 through Bluetooth. I managed to connect the two and the ESP32 serial is able to receive data...
View ArticleMatter protocol
Hello devs, I'm facing problem while creating SDK environment for using matter protocol with esp32 boards, as it is not compatible with windows system and also prerequisite for SDK is Linux and Mac...
View ArticleNeed developer for Arduino mDash
Need help imnediately! We need a developer for Arduino mDash to help with ca.pem file. 2 posts - 2 participants Read full topic
View ArticleI want to make a can counter
im new to arduino and i wish to program it to count cans for me is there someone that might help me on this matter.. gratly appreciated... 5 posts - 5 participants Read full topic
View ArticleHow to connect 12V ANNIMOS 150KG servo to UNO R4
Hello, I want to connect this 12V ANNIMOS 150KG servo (https://amzn.eu/d/gj097pm) to UNO R4. Any pointers how to do it as this one is 12V and not the standard 5V servo. Thank you 4 posts - 4...
View ArticleError compiling for board ESP32 Wrover Module
I have tried ti uninstall the arduino IDE app and download it again, but the error still occurs. This is my code: #include <WiFi.h> #include <WiFiClientSecure.h> #include "soc/soc.h"...
View ArticleNeed help with Pro Micro
Hello, I have a problem for which I have been unable to find a solution. I stupidly loaded a sketch that prints "hello world" every second in a loop. The IDE cannot load a different sketch because the...
View ArticleControl surface and multiplexing, solving latency problems
Hello! Beginner in programming and electronics, I made a midi controller with an arduino pro micro, 64 pots 10k connected to 4 multiplexers 16 channels and 2 pots 10k directly to 2 analog pins. I used...
View ArticleAdding an SD card module to a project with 3 sensors and 3 OLED screens
Is it possible to add an SD card module to a project with OLED displays? 3 posts - 3 participants Read full topic
View ArticleHow to remove cc1plus.exe: some warnings being treated as errors
hi everyone, I am facing some problems while working on a project i am trying to use the position of gyro (using GY6050.h library) to rotate the servo motors. Down below is the following code. for...
View ArticleHelp with Serial library
I'm working on a project on Tinkercad using 2 Arduinos, where I press a button on one and the other lights up a light, and vice versa. This is my code: int buttonPin = 7; int led8 = 8; int buttonState...
View ArticleHow to combine coding
how do I combine the coding below? I want to make a project to monitor the house to remain safe with two methods, namely monitoring via camera and also providing a password on the door. #include...
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