Is char array causing a memory leak?
I'll preface this with, I know just enough Arduino/C++ to get in over my head. I'm interfacing with a PS2 optical mouse using the PS2 mouse handler library. The device hangs after a period of time...
View ArticleSensor to SPI bus
I have an issue of transferring sensor data over SPI communication. I mean the SPI does transfer the value but the sensor not working like it only read 0. like for example I attach soil moisture...
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Connection failed arduino WiFI MKR
Hello, I'm using an Arduino MKR WiFi 1010 to control my house. So I can communicate with it thanks to Telegram bots and it does what I want it to do. Actually, my arduino is connected to Telegram, my...
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How can I read a bitmap font?
The font is in bitmap format. How can you organize the print(String text, int x, int y) function? for lcd gray-mode const unsigned char gImage_f6_10[1830] = { 0X22,0X02,0X60,0X02,0X0A,0X00,...
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Did save as now get this error
made copy from a working sketch did save as i open that version now get error also it copy all the files auto matic in the directory < CODE/ > //#include "PluggableUSBHID.h" //#include...
View ArticleMaking clock dimm automatically, messes with program
Hi, I just copied this project: https://projecthub.arduino.cc/mdraber/tm1637-digital-clock-with-time-setup-and-alarm-functionality-b8d46c And besides a ton of weird enters and spaces messing up the...
View ArticleArcade joystick problem
Can some help with this code... #include <Stepper.h> const int joyGroundPin = A0; // Analog pin for joystick ground const int joyLeftPin = 2; // Digital pin for left const int joyRightPin = 3;...
View ArticleHighlight Area on Maps (IoT Dashboard)
Hello! I am working on an irrigation project and I will open different valves in the field to irrigate different areas of a field near a farm. I want to highlight which area is supplied with water...
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Writing multiple values to text file in one write-cycle
Hi, I have 10 beehives. Attached to each beehive I have some different sensors that read data and send data-packages (structs) by LoRa to a TTGO-hub. The hub receives data from each beehive. I want to...
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Adruino GIGA bluetooth
Hallo zusammen, Hier eine Übersicht zu meinem Problem: Ich habe mir für ein Schulprojekt den Arduino GIGA R1 gekauft, da dieser mit einer Bluetooth Anbindung beworben wurde. Seit mehreren Tagen nun...
View ArticleI built a vice robotic car using Bluetooth and AMR voice to connection My...
#include <AFMotor.h> #include <Servo.h> String command; AF_DCMotor motor1(1, MOTOR12_1KHZ); AF_DCMotor motor2(2, MOTOR12_1KHZ); AF_DCMotor motor3(3, MOTOR34_1KHZ); AF_DCMotor motor4(4,...
View ArticleUnicode characters on Max7219
I am trying to display unicode characters on Max7219 module, 4 x (8x8) matrix. Those letters are arabic/urdu. I am using MD_MX72xx and MD_Parola library. Using MD_MX72xx its working fine and...
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Wishlist - Please Display MAC Address on device page
This seems like basic information to obtain, but not being much of a "coder" it took me wrestling with chat GPT for about 2 hrs this morning to figure out how to display the MAC Address of a nano33IOT...
View ArticleConnecting 2 ESP32s, but also using Serial
Hi. So my problem is this. I want to connect 2 ESP32s. 1: Connected by bt to an app on my phone created in MIT App inventor Running an LED WS2812B strip - I think this means it must be serial Connect...
View ArticleWriting to a given address of the program memory of arduino uno from application
Is it possible to write to a given address of the program memory from application in arduino uno? But when I say writing I want the value in this memory address to be loaded into the SRAM when the...
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Problem with bluetooth controlled cart
I bought a kit with some parts to build a bluetooh-controlled toy car, but I can't get it to work, I'm still a beginner and I don't know what could be happening. any suggestion will be welcome. This...
View ArticleMulti Hygrometer Thermometer WiFi connected
Dear all, I hope this message finds you well. I am not very familiar with programming. etc but keen to learn ...I would like your opinion regarding how complicated do you believe this project can be....
View ArticleHow can i upload data from arduino uno ethernet shield to mongodb Atlas
i need help to upload data from sensor to mongodb atlas using arduino uno ethernet shield i was using this code and it cann’t to connect to mongodb atlas i was testing code with static values in...
View ArticleArduino Nano ESP32 burns itself to death while using an L293D motor driver...
"I just connected an Arduino Nano ESP32 to an external motor using an L293D motor driver. I also connected the same GND and 3.3V pins to an INMP441 microphone. As soon as I powered the L293D, the...
View ArticleType of interrupt
I am trying to design speedometer using Arduino nano. The interrupt pin 2 will be pulled high internally. I would be using a reed switch connected between the interrupt pin and negative/ground. Every...
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