Why does the microcontroller need both a bootloader and ISP?
Greetings everyone, I hope that the category is adecuate for the question. This question is just out of curiosity and to understand better the function of ISP in microcontrollers. I'm an electronics...
View ArticleSPI Slave with SAMD21G18
Hello everybody, I would like to transfer data read from sensors by SAMD21G18 (on a custom board) to Raspberry PI4 using SPI. So I will have my MCU acting as slave and Raspi as Master. In particular I...
View ArticleProblem with arduino uno and hootloader2
I loaded a bootloader onto my Arduino Uno R3 using Atmel Flip. Once I did that, I was no longer able to load anything onto the Arduino Uno as it is not detected by the Arduino IDE. I tried updating...
View ArticleI2C Devices adressieren (VL53LXX-V2)
Bin noch nicht so erfahren im Einsatz von I2C. Habe hier einen TOF-Sensor VL53LXX-V2 an einen ESP32-Wroom angeschlossen und die Auslese funktioniert. Jetzt sollen ingesamt 5 dieser TOF-Module an den...
View ArticleFall detection using mpu6050
void loop() { mpu_read(); // function used to read the data //2050, 77, 1947 are values for calibration of accelerometer // values may be different for you ax = (AcX - 2050) / 16384.00; // AcX,AcY,AcZ...
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How to use 2,1inch RGB 480x480 round display with ESP32-S3?
Hello everyone! I am a beginner in programming, in the past couple of months i started to use arduino to work with small displays like GC9A01. I was able to make them work and meanwhile i searched for...
View ArticleESP32-S3-WROOM-1 FOTA issue
Hi, I am working on ESP32-S3-WROOM-1 Chip for one of our IOT application. I am trying to load the bin file from S3 bucket to ESP32 via FOTA using the esp32FOTA.execOTA(); In the Below part of the code...
View ArticleModbus vs rs485
is rs485 a communication protocol or modus is a communication protocol? If we we want to send data via arduino uno to slave using rs485 do we need to use Modbus ? 6 posts - 6 participants Read full...
View ArticleNextion display
Hello Guys! I am new to arduino and the nextion display! I have a project that we are using 6 ds18b20 sensors and 1 DHT22 sensor for temperature and humidity. The problem now is that only the first...
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Arduino doesnt recognize Airbeam3 port
I'm using esp32 ver2.0.3 board - esp32 dev module ,and i followed the instruction for reprogramming AB3. but in tool menu and port section only COM3,4 are shown..can anyone help me on ho can i solve...
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Portenta Ethernet connection
Hi guys! I'm trying to make a custom pub for Portenta boards and I'm stuck with the ethernet connection, I have been trying to copy the connection from breakout board but I use easy Eda and the...
View ArticleI need help with a combination game
I made this game and don't understand why it isn't working, I don't think I've made any coding errors, but no LED is even turning on, anyone know what may be done wrong? //This game is a combination...
View ArticleLeds only showing values max Power
I have a Led Arduino circuit that runs 4 parallel leds. They only run at max values of 255 of anything. Here is my code. #include <Servo.h> int redPin = 10; int greenPin = 11; int bluePin = 9;...
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Arduino Mouse.move() doesn't work properly for some parameters in my...
On serial monitor i send arduino x and y coordinates for mouse move. it does move to given coordinates. But not for all parameters. for example for x,y=(200, 125), (200, 131),...
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ArduinoBLE & Generic Access Service
Hello, I am trying to make GoPro camera emulator who can receive commands from GoPro remote control. I am trying to add characteristics to Generic Access Service 0x1800, but ArduinoBLE make them...
View ArticleReliable Voltage For Pro Mini 5 Volt Version
Morning, I am using the Arduino Pro Mini 5 volt version in my projects. I have been using a 6 volt linear regulator to power the board through the raw pin. I was told that 6 volts wasn't enough and...
View ArticleCode isnt working at all
hello my code isnt working its supposed to detect the object with a sonar detector and light the red or green light up the closer it is the faster it beeps the code is const int trigpin= 8; const int...
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Help with a dc motor circuit
Hello, I am wiring a vertical lift bridge system for my students and am unsure of the circuit I have built. I have 4 dc motors with transistors and diodes working off 1 push button and the arduino....
View ArticleProject Help(Smart Agriculture)
I'm writing a project of smart agricultrure using IoT devices and arduino. I need help in implementation of my practical aspect. is ther anybody willing to help me out? I'm in London. 1 post - 1...
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Problème avec commutateur DIP*4 et LEDs
Salut salut, Pour un projet personnel, je dois créer un parking mais aussi : - pouvoir ouvrir/fermer une barrière avec des servomotor - Afficher le nombre de places restantes - Avoir des LEDs qui...
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