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How to Secure Thermocouple Leads

I am making a project that includes a thermocouple. This is my first time using a thermocouple. I purchased Adafruit Universal Thermocouple Amplifier MAX31856 Breakout and on the product page it...

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Connect WisGate Edge Pro to The Things Network TTN

Hi, I want to connect an Arduino gateway (WisGate Edge Pro) to The Things Network (TTN). I have an antenna connected to LoRa1 port of the gateway. I followed the steps below to connect the gateway to...

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RFID DOORlOCK WITH ESP8266

Hello guys, i want to ad more 2 tag on my code, but i don't know how i can do it. code: #include <SPI.h> #include <MFRC522.h> #include <Servo.h> Servo myServo; #define SS_PIN 2 //D4...

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Why my project is not working please help

Hi! I’m making a project with esp8266 nodemcu, dht11, capacitive soil moisture sensor, ultrasonic sensor and Blynk IoT. I made a project where I connected the DHT11, capacitive soil moisture sensor,...

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Where to find .cpp of SERIAL.BEGIN() arduino ide 2.3.2

Recently i have installed arduino IDE 2.3.2 . I have fineshed C++,C,JS,PHP,HTML etc and done coding for attiny44A. Now i am qurious to find how inbuilt functions are defined. Say I want to deep dive...

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Can't find the buffer size for ArduCAM Mini 2MP plus

Can anyone tell me the FIFO buffer size on the ArduCAM Mini 2MP plus camera module. This is the link to the camera module. Arducam Arducam Mini 2MP Plus - OV2640 SPI Camera Module for Arduino UNO...

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Bluetooth which base?

I designed my own NRF52832 based board. Now I want to start my arduino project but there are many options to start from. My Idea was to fork a repository and create my own board in that. I found the...

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Help fixing bug in code

Hi, I've got some code setup where an Arduino receives a number of counts required from a Pi over serial. Some motors are being controlled by a Pi and the Arduino is being used to measure encoder...

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Dollatek 2.8 TFT Touchscreen Driver Question

Hi Guys, Has anyone ever got one of these touchscreens working with an XPT2046 driver on a Mega ? The display works great and now that I’ve finally got it on hardware SPI it’s actually a lot faster...

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Reading Serial Monitor Data and Inputting into MatLab

I am trying to take 3 pressure sensor data readings then input them into Matlab and plot the pressure variations against time on 3 separate lines on a time graph. Any help or guidance would be much...

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Problems with NRF24 project on Arduino Nano

Hi, I'm trying to replicate this project, the final goal is to control 4 servos with a joystick. I have a complex problem that I don't know how to troubleshoot. I started by soldering the joystick...

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Arduino goes into while-loop even though it should'nt

Hello, My Arduino Uno is programmed to communicate with a serial interface. For this, it has to read and write to certain lines. Now, I have a problem with the function that is supposed to read a...

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Tips for Mega-Based ECU for Wankel Rotary Engine

Hello! I am relatively new to Arduino, but my partner has many years of experience. The two of us are trying to build a rotary engine management system capable of a maximum 12,000rpm at a rate of 6...

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Can someone help me with "Blynk" and esp32

Can someone make a code for me that controls 5 servo motors using esp32 board that can be controlled from "Blynk". I already set up Blynk with a youtube tutorial. So can someone please help me? 2...

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Access Arduino IOT cloud MQTT

Is there a way to get access to the data sent from Arduino to Arduino IOT cloud via MQTT without having to set up a new connection to a new broker ? i.e. Arduino publishes one message which I...

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Time of Flight libraries

Hello, I have got the APDS-9960 sensor working with library from Sparkfun, I also see that Arduino has a library, does anyone know if it works with APDS-9930? I need to measure between 0mm to 8mm. Any...

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Scope van variabelen in ISR

Voor een idee voor gebruik in een studio van het Koninklijk Conservatorium denk ik aan een Arduino-oplossing. In een programma-idee zit ik met de vraag hoe ik in een interruptroutine (tijdgestuurd)...

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Follow focus but for the zoom ring..Can't figure out how to do it

Hi ! I'm currently using this script with a nema 17 and a tmc2209 to control the focus ring of my lens with a rotary encoder. #include <ESP32Encoder.h> #include <AccelStepper.h> #define...

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Controlling external power via relay with Nano 33 IoT

Hi, I'm new to Arduino and I have a Nano 33 IoT I'd like to use to switch on a Raspberry Pi 4 B. As I understand it, since the Nano 33 outputs 3.3V and the Pi takes 5V, controlling power directly is a...

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My network scan shows my Arduino R4 WiFi as esp32s3

My network scan does not find my Arduino R4 WiFi with that name but rather identifies it as below: Nmap scan report for esp32s3-CA1CCC.lan (192.168.1.180) Host is up (0.0083s latency). All 1000...

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