AJAX with EthernetWebServer
Hello, i am trying to update the webpage i made with the sensor data. I have tried this approach: <meta http-equiv="refresh" content="2"> Refreshing the weboage every 2 seconds but i want to use...
View ArticleDriving a H-Bridge with a PWM ic
Hello. As usual.... running out of pins. I have a BTS7960 40A H-bridge as discussed in this thread here: https://forum.arduino.cc/t/dc-motor-driver-bts7960/606686 I would like to entirely control it...
View ArticleIssues with more than 8 interrupt with arduino GIGA R1
Hi there! I have a problem with interrupts on a Giga R1. I have written a program that controls relays, acquires data from various sensors, and uses interrupts to count pulses and increment the values...
View ArticleMaking a receiver tracking device
Guys, how do I make like a transceiver that follows a specific receiver. Like, my idea is basically putting sensors, for e.x. Ultrasonic Sensor or Infrared Sensor, to determine the distance, after...
View ArticleSERVO Code Simulation
Hey everyone! I am currently completing a project that requires the use of small SG90 Servo motors. Is there any simulator and/or application that I can use to see the results of any code from a...
View ArticleProblems Sensor DS18B20 with Shild LCD
I have a kit, Mega + shield LCD 16x2 + DS18B20 temperature sensor, connected to the notebook's USB. If I use mega and the DS18B20 connected to 5v, the serial works correctly. However, when I put the...
View ArticleESP 32 Wroom-32 pin allocation
I have been able to compile and upload the "Blink / Hello World" test using pin 2 as and output to drive the LED. When I selected pin 15, the serial monitor produced pages of "stuff" without the...
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Bluetooth HC-05 envoi des commandes String
Bonjour, ceci est mon premier post sur un forum, excusez moi d'avance si tout n'est pas clair. Je construit actuellement un R2D2 taille réelle et je souhaite utiliser un module HC05 ainsi qu'une...
View ArticleWhy my arduino code needs to re-upload or reset the arduino to function the...
When I successfully uploaded my code, and test the functionality, it perfectly works, but when I tried once again, the code isnt functioning, and it needs to be re-uploaded or restart the arduino to...
View ArticleSwitching regulator with the feather RP2040
I'm trying to create a datalogging device that can run on batteries. I've been using the arduino nano but I want a battery charger and more program storage as I've had to minimise a lot of code for...
View ArticleQuestion regarding IDE 2 and its support folders
Hi, I've managed to make a total mess of my Arduino software due to numerous old installations of both Arduino and Windows through the years. I've got Arduino folders all over my computer on multiple...
View ArticleWorking hours logic
Hi, I am up to make a project where certain things will be done but in a specific frame of time every day. Firstly, it was ok to have only hours time frame: if (hr >= startHour && hr <...
View ArticleFirst approach with Findr Opta
Hello everyone, I am conducting my first tests with this Finder product. I would like to mention that I intend to use it with the Arduino PLC IDE for the PLC logic part, connecting it to the cloud for...
View ArticleFlexible round/curved Display
Hello, I'm having trouble finding any (round) displays that can be curved along a circular shape. The basic idea is that I want to use Arduino to have a gif or video file play on loop on the display....
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1.8 TFT LCD Screen for Arduino
Hi, I'm using a 1.8" TFT LCD display with an Arduino Uno, and I've connected the wires according to the instructions in the video...
View ArticleCreating a simulate accelerometer
I am looking for guidance with a circuit as I am relatively inexperienced in arduino. I am using a simple circuit design incorporating an accelerometer and microcontroller but are unsure what other...
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PWM Code to for mosfet gate
i have a graduation Project to make 2 parallel buck choppers and control the mosfets by arduino, i should send 2 PWM signals to mosfet gates with 30KHz and variable duty cycle between 10 to 90 % and...
View ArticleTMC2209 stepper motor
Hello guys, I am trying to control a stepper motor on my Controllino Maxi using the tmc2209 driver by Trinamic. I am trying to control a bipolar stepper, only on the dir and step pins, so I don't want...
View ArticleHow do i change it to print data instead of writing it to a sd card
Here is the script #include <SoftwareSerial.h> #include <Wire.h> // Bibliothque pour l'I2C #include "RTClib.h" // Bibliothque pour le module RTC RTC_DS1307 RTC; #include...
View ArticleESP32 - RX320 Serial Port problems
Hi, I have a long standing project to build a front end consisting of an 20x4 LCD, an RS232 module and a couple of encoders - to connect to a TEN-TEC RX320/321. The parameters for the RX320 are 1200...
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