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Ps2 controller to arduino

Hello to everyone! I've just bought a ps2 remote controller for my arduino nano and uno. I've downloaded a ps2x lib, connected everything according to the code - and nothing worked. Already trying to...

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Tiny Sorter on Arduino Uno R4 Minima...or not?

Hi, I tried to make this project: experiments.withgoogle.com Tiny Sorter Tiny Arduino Sorter Powered by Teachable Machine I had to buy a new board, and choose to buy the more recent Arduino Uno R4...

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Connecting 4 DC motors with MOSFET transistors

I need to connect 4 6v DC motors to an Arduino for a school project. Can I connect 4 6v DC motors to an Arduino with a breadboard and MOSFET Transistors? I connected them with a quad motor driving...

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Rejecting disturbance, and tracking the reference speed of a DC motor

Hello all, I need to code an Arduino program to tune a PID controller to reduce overshoot in reference tracking or to improve rejection of a disturbance at the plant input. I am using Arduino uno, dc...

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Tiny Arduino Altimeter plan walkthrough & brainstorm

Hi everyone, I am embarking on a journey to build a mini arduino altimeter for my estes rocket. There are a few tutorials out there, like this one, but instead of having the altitude output of a...

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Help Connecting Arduino Uno R4 WIFI to WIFI

I am currently using this guide to connect my Arduino Uno R4 WIFI to the internet and I am stuck on the very first step. Under the "First configuration" section, it says to "Power the board and wait...

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Waveshare 2" LCD display interfacing

I am using the Waveshare 2" full-color LCD display to display some text. When I upload the code, the text briefly displays, but after around 2 seconds, the text is overwritten by a new background. My...

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Wiring multiple 4-20mA signals to arduino uno

I have a pH controller that can output two 4-20mA signals. One for pH, and one for temperature. The outputs on the controller have a + and - I've wired a single output with a 220ohm resistor between...

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DF Player problems

(Some back story if you do not want to read it skip to the next paragraph) I am making an electronic monopoly game with my brother with two Arduinos communicating with I2C. One has the controls and...

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Trouble Controlling Stepper Motors with Serial Input

My program requires Serial input from MATLAB in order give the specific direction of my stepper motors. This is the code: //COM3 //pins int Zpins[] = {8, 11, 9, 10}; int oppZpins[] = {10, 9, 11, 8};...

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Control dc-dc current potentiometer for led

I am using a dc-dc boost to take 12v up to 32v to power led strings. It has a current limit adjustment to limit current which is needed for higher power leds, using a potentiometer. I have 3 amps...

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Giga and Motor Shield Rev3

I am about to test out this combination (Giga + Motor Shield Rev3) when they arrive today. I note that the Giga I/O pins are not 5V-tolerant. But the Motor Shield doesn't seem to match up with this at...

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Driving high power LEDs

Hi all I'm currently building a soapbox together with my kids and we are adding some LEDs to it, some of them I'd like to control via an Arduino. I have the coding knowledge so the software side is...

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Writing to a Remote Bluetooth Characteristic

I'm trying to write to a remote characteristic on a Nano 33 BLE board from an esp32-cam but I get no result. Here is the code for the AI thinker esp32-cam , the "central" device: #include...

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If/Else statement

I'm obviously new. Tinkering around but have no actual experience with this. I want pin 2 (relay) high when the temp sensor is between 1 and 55 degrees, and pin 3 (heater) high when the temp is below...

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Pro Mini to USB Converter Advice in 2024 Please

Time for a recent question here w/ regards to connecting a Pro Mini Atmel 328P to Win10 for programming. Here is a converter today on Ebay described as " FT232RL FTDI USB to TTL Serial Converter...

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Led light Clap Switch Issue

I am currently working on my first ever arduino project, a clap switch for a led light but it doesn’t seem to be working , please I need help I will type out my code below #include <Arduino.h>...

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2.4” TFT LCD Project guidance

Hello, I am rather new to arduino and I need help trying to figure out how I need hook up a particular LCD. So I got this 2.4” TFT SPI LCD and it has 8 pins( GND, VCC, SCL, SDA, RST, DC, CS, BL). I...

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EEPROM put with part of an array

A simple EEPROM library question ... I have data being sent to me as array of bytes. byte data[6] = {0x10, 0x00, 0x1A, 0x1B, 0x1C, 0x1D}; // DATABYTE0 = High memory address // DATABYTE1 = LOW memory...

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New User/Adding 'If/Then' Statements to LCD screen

Hello everyone! Coming back after years so very unfamiliar with this. Just copying and pasting and learning how to use codes again. Copied a code courtesy of Zaidi Mat Nawi from YouTube that prints...

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