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My code is having some problems
hi, i am dealing with some problems with my arduino code can you please help me? this is the code: #include <IRremote.hpp> #define IR_RECEIVE_PIN 2 void setup() {...
View ArticleNeed assistance with coding
Hello as I am new to the forum and coding, I hope I do this correctly. What I am trying to accomplish is I have two capacitive sensors as inputs to turn a relay on or off to allow a valve to fill a...
View ArticleMake Hardware Serial port LOW after sending data
I'm trying to send data to a sensor using the ESP32's TX (UART2) pin, and then I want to set pin 19 LOW afterwards. The command analogWrite(19, 0) successfully sets the pin LOW, but afterwards, I'm...
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433mhz protocol decoding
Hi, i own some fishing alarms like And my dog, have eat receiver, so now they are just pinging, but i can't go far away without remote receiver. I want to rebuild it, i have logic analyzer, i received...
View ArticleArduino Uno Programming
I'm attempting to use two slot sensors, in this case Fairchild to stop and start a motor. The motor is working without the sensors. They're wired correctly. Not sure what's wrong. Here is my code: int...
View ArticleSMS with nano 33 iot
I'm trying to get sms working on my Arduino Nano 33 Iot. for my SMS reader, I'm using SIM800L. thanks!!! 2 posts - 1 participant Read full topic
View ArticleAn error message while uploading a code to Arduino Nano
Hello, I was working on my school project (self-balancing robot) and while uploading a code for my sensor calibration this error message popped up: Sketch uses 13836 bytes (45%) of program storage...
View ArticleIde 2.3.2 not running from Desktop (Ubuntu 22.04)
Downloaded the 2.3.2 version and installed. Right clicked on the desktop icon, went to Properties, and checked 'run as program' in Permissions window. However, it will only run if I right click the...
View ArticleConfusing pin numbering in the default sketch
I just received my Arduino Nano ESP32 and wanted to tinker with the default sketch. I added the colors yellow, pink, turquoise and white to the sketch and uploaded it. Only the orange onboard LED...
View ArticleST7789 Display turns off straight after data gets written to it
Hi There, I have this cheap prototyping board that I brought from Temu, It features an inbuilt screen and an ESP8266MOD chip soldered onto some driver board. I figured out how everything was wired up...
View ArticleConnection to Opta via ethernet fails
Problem When trying to connect Opta from PLC IDE via modbus TCP connection fails with error as a status. Wireshark capture shows that Opta sends back an Illegal data address exception. Steps to...
View ArticleArduino 2.3.2 got stuck on pulsating logo on Mac OS Sonoma
Hello, i've read already a lot about this, but couldn't find any solution. My arduino still won't open and is just stuck on the opening logo:/ Please help me, i need to work with this for University....
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Finding center of gravity with 4 load cells and 4 hx711
Hello, I have a project and in this project, I want to find the center of gravity by making the connection as shown in the figure with 4 load cells that I will place on the bottom of a box. How can I...
View ArticleBluetooth problem nodemcu
please help me, library has instaled, esp8266 nodemcu Arduino:1.8.19 (Windows Store 1.8.57.0) (Windows 10), PÅ‚ytka:"NodeMCU 1.0 (ESP-12E Module), 80 MHz, Flash, Disabled (new aborts on oom), Disabled,...
View ArticlePAM8403 weird clicking / banging noise
I'm using an ESP32, a PCM5102, and a PAM8403 to output a 3.5mm Audio Jack output. In my circuit, I'm sending the Audio Signal via I2S to the PCM5102, where a quieter output can be picked up. If the...
View ArticleCompilation error: expected primary-expression before '.' token
Hello people! I've been working on this code and (since I am not super familiar with coding or arduino in general) I cannot figure out - even after reading through a bunch of similar issues - what I...
View ArticlePower an actuator with reed switch
Hello everyone, I have a question. I have a project where I want to power an actuator with 3 reed switches. I want when the arduino powers on the actuator will retract. In the loop I want the actuator...
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Pin inputs giving the wrong result
Hello! When using Arduino & having an input on any pin, I don't get the result I want. I am doing a separate project involving push-buttons, and so I try and see when the Arduino detects that the...
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Custom made Arduino doesn't show up in IDE
Hello, i have designed a custom board which uses the Atmega328p procesor to connect to a nrf24l01 module, it is meant to be purely a proof of concept and is mostly useless on its own. The objective of...
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Esp_memory_utils.h missing in Arduino IDE
My apologies if I've missed something obvious here, but I am royally stuck I'm trying out some demos for a Waveshare TFT / ESP3-S3 combo. They're all dependent on the ESP32_Display_Panel and...
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