Skip to main content
2,209 questions
Newest Active Bountied Unanswered
Filter by
Sorted by
Tagged with
-1 votes
0 answers
46 views

I am building an IoT system to measure the distance from two individual points by using two HC-SR04 ultrasonic sensors and two 16x2 I²C LCD displays to show each sensor’s reading separately. Sensor 1 ...
Sanniddha's user avatar
  • 9
Advice
0 votes
2 replies
101 views

I'm trying to build my own handheld games console similar to a gameboy. Currently for the POC im using the Arduino Uno, seperate SD Card Reader Module and 2.4 inch TFT Display. I want to put the game ...
user15155666's user avatar
  • 11
1 vote
0 answers
92 views

I decided to program a PWM using an ARDUINO UNO R4 WIFI. I tried to configure the RENESAS RA4M1 microcontroller with the FSP libraries through the Arduino IDE. What I want to do is generate a PWM and ...
Victor Prosper's user avatar
  • 11
0 votes
0 answers
58 views

I'm trying to connect an ESP32 (as Bluetooth master) to an Arduino Uno that has an HC-05 Bluetooth module attached. My goal is to send serial data between the ESP32 and the Uno. Setup: Arduino Uno ...
Osama Tharwat's user avatar
  • 1
0 votes
0 answers
64 views

I am very new to embedded programming and I2C protocol. I would like to develop a command "CMD_READ_V" which will eventually read an analog voltage from the MSP430 A0 and report it back to ...
Cameron Cohen's user avatar
  • 9
1 vote
2 answers
72 views

With an Arduino Nano ATmega328P (Arduino IDE 1.8), the following C++ code (with 8bit operands): volatile uint8_t un8 = 123; volatile uint8_t res8; res8 = un8 >> 1; generates a 16bit shift ...
brewmanz's user avatar
  • 1,230
0 votes
0 answers
28 views

I'm using an Arduino UNO and the IRremote library to decode signals from a Panasonic air conditioner remote. I connected the IR receiver to pin 2, and the code below works in that it prints something —...
Vinay R. Tiwari's user avatar
  • 1
1 vote
2 answers
123 views

I am working on a personal project that consists of synchronizing my addressable ws2811 light strip to Spotify. There is no real-time audio analysis. My python program reads a JSON file, and based on ...
Edouard Marsolais's user avatar
  • 21
0 votes
0 answers
109 views

I am using an Arduino Uno with a SEEED CAN-bus shield and a 4x20 LCD with the Adafruit I2C backpack. I'm trying to make the Uno recieve several different messages via CAN, then display the data it ...
mysteryflavor133's user avatar
  • 1
1 vote
1 answer
101 views

I need to use data collected from a sensor connected to an arduino Uno in a Python code. It's a basic question of getting the state of the digitalPin to my Python code. I first wanted to try my hand ...
Tsuyo's user avatar
  • 29
0 votes
0 answers
36 views

I'm working on a project using Arduino to control a test machine for compression/tension. The displacement is calculated based on pulses from a sensor connected to a digital input. The logic for ...
Lewys Len's user avatar
  • 9
0 votes
1 answer
99 views

I using Arduino UNO with HC06 This is my code include <SoftwareSerial.h> SoftwareSerial BTSerial(10, 11); void setup() { Serial.begin(9600); BTSerial.begin(9600); } void loop() { if (...
CYC's user avatar
  • 39
0 votes
2 answers
55 views

The code can be found in Checking INTF0 Without ISR The code works as expected when the main() function is present but it does not when main() function is left out of the code. I do not want to use ...
santosgcot's user avatar
  • 66
0 votes
1 answer
26 views

I try to write a Temperature Logging station using a RTC 1307 and timestamping my measurements. The issue is at the beginning, creating the filename: #include <dht_nonblocking.h> #define ...
mr_harm's user avatar
  • 61
1 vote
0 answers
58 views

The end goal is simple: use one arduino + nRF24L01 setup to remotely turn on an LED on another arduino + nRF24L01 setup. I'm stuck on the the transmitter side. The transmission keeps failing and I'm ...
Mike 's user avatar
  • 11
0 votes
0 answers
25 views

I seem to have an issue where, when I send 33 bits out through 5 shift registers to LEDs (only using one output on the final register) it loops through array entries 1-15 just fine, but then flashes ...
Peter Sikkens's user avatar
  • 1
2 votes
1 answer
138 views

I learning to program the ATmega328p microcontroller in C and Assembler: In C, I define DDRB = 0x24. In Assembler, I define DDRB = 0x04 Can someone explain this difference in addresses (does that ...
Mohammed A. Alameedi's user avatar
  • 23
0 votes
1 answer
74 views

I'm working on a project where a Mixer mixes the perfect drink for you. However I used every digital pin for sensors and now I thought I could just use the Analog Pins to control the Relays for the ...
Inuri's user avatar
  • 11
-2 votes
3 answers
148 views

I'm currently trying Arduino C and trying to figure out the best way to convert the given added values into the correct seconds, minutes, and hours. I'm aware this needs division and modulo; it's just ...
Ryan Llewellyn's user avatar
  • 21
0 votes
0 answers
57 views

I am attempting to turn my generic Arduino R3 (an ELEGOO UNO R3) into an IoT device by connecting an ESP8266 ESP-01 WiFi module. Here are my wiring connection: GND - GND TXD - RX IO2 - 3.3v (through ...
realistdream's user avatar
  • 9
2 votes
1 answer
622 views

I keep getting the error in the title when trying to upload a sketch. I have tried to switch to different USB ports, resetting the ESP32 camera wrover, resetting the IO extension board and the UNO and ...
nathan-blackburn's user avatar
  • 33
1 vote
1 answer
104 views

Hi i have a problem with my device. I used arduino uno, old keypad, SD card reader, and low quality speaker. Every singel pice works perfectly but all together it doesn't work like i want to. Keypad ...
pawko774's user avatar
  • 11
0 votes
0 answers
182 views

Im working on a project using an Arduino Uno and a SIM800C GSM module where I need to record phone calls directly to an external SD card. However, I'm unsure which AT commands to use and how to ...
Swap's user avatar
  • 11
1 vote
1 answer
175 views

I am having issues with properly setting up the fast PWM mode 15 in my Arduino Uno (ATmega328). Most of the registers seem pretty straight-forward, but I am not sure about a few of them.. For example, ...
paxel's user avatar
  • 25
0 votes
1 answer
60 views

Below is a description of what the Arduino should do, however I found that after the first loop in main, the pins are not activated again: The mainRoutine function retrieves the current time from the ...
M V's user avatar
  • 1
-1 votes
2 answers
158 views

I saw this code: uint8_t broadcastAddress[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; I know uint8_t holds a byte, so how does this line of code work when a single element, 0xFF, is in itself one whole ...
bittybytey's user avatar
  • 13
0 votes
0 answers
418 views

Is it possible to connect Arduino project in android studio? I have here the Arduino Uno 3 and my GP2Y1014AU0F Compact Optical Dust Sensor. Im having a problem, I think the implementation ("com....
Matthew Seril's user avatar
  • 3
0 votes
1 answer
70 views

Sensors values: float temperature = 29.5; float humidity = 32.56; float lightLevel = 17365.83; int co2 = 452; int noise = 583; String dataString = ""+String(temperature)+","+...
DevilCode's user avatar
  • 1,104
0 votes
0 answers
85 views

From a DHT sensor, I'm reading the ambient temperature and my goal is to display the temperature on a quadruple 7-segment display, ending with the letter C for Celsius degrees. I receive the ...
Daniela_02's user avatar
  • 1
1 vote
1 answer
83 views

#include <SoftwareSerial.h> void setup() { uint8_t ubrr = 103; UCSR3A = 0x00; //reset; Bd factor is not doubled, UCSR3B |= (1 << RXEN3) | (1 << ...
Muhammad Fouad Alharoon's user avatar
  • 77
0 votes
1 answer
50 views

I am trying to control the intensity of an LED using a PWM port on an Arduino, and capture with a camera the resulting brightness of the LED at a given setting. What I would expect is that at a ...
Justin Murante's user avatar
  • 1
1 vote
0 answers
48 views

It is not recognizing the BME280, however, when I run the I2C Scanner, it finds them.... I have checked many times and I can't find any problem / solution.... Please help! enter image description here ...
Ruben de Jesús Moraga Ramírez's user avatar
  • 11
2 votes
0 answers
81 views

I've been programming my Arduino Uno R3 just fine, but when I updated to the new editor (I took a long break), it doesn't detect my board. I've looked around in a bunch of places for a solution but ...
Tzvi L's user avatar
  • 65
0 votes
1 answer
81 views

This is a simple Arduino UNO project that can turn on and off the LED light with push button or light censor. The push button is perfectly working it turns on and off the LED light without any problem....
Valentine Lancin's user avatar
  • 11
0 votes
1 answer
235 views

I'm facing a problem that I've tried everything and it doesn't solve it. I just want to read the acceleration on the serial monitor and plotter for now, the code runs, works and is OK, I've already ...
Jay Jay's user avatar
  • 1
0 votes
1 answer
60 views

I am having problem desinging ardurino code that turns mini servo acording postion of 10kOhm Potentiometer. This is my code: #include <Servo.h> Servo myservo; // create servo object to ...
Jann's user avatar
  • 1
0 votes
0 answers
48 views

For a group project I was trying to use the Arduino BLE to connect to my computer, which would be connected to a website that would then return an appropriate value to the Arduino BLE. The issue ...
user24663900's user avatar
  • 1
0 votes
1 answer
73 views

I have a python script producing an output which I want to send as SMS. Here is the Python code to send message over serial port. def blinkLED(color): ser.open() ser.write(color....
Sammy Camara's user avatar
  • 1
0 votes
1 answer
404 views

I have the arduino uno r3 and the adafruit data logger sheild (https://learn.adafruit.com/adafruit-data-logger-shield/using-the-real-time-clock-3). Below is my code, however when I try to compile I ...
sophivar's user avatar
  • 3
0 votes
1 answer
75 views

I am new here! I have a school project that I am working on. I am trying to make a etch-a-sketch using an Arduino Uno, Arduino IDE, and p5.js. On the Arduino I have two potentiometers and a button. ...
K-PopCorn's user avatar
  • 51
1 vote
1 answer
313 views

I have a school project that I need help with. I am trying to create an etch-a-sketch with p5.js and an Arduino. I have two potentiometers hooked up and one button. The potentiometers should control ...
K-PopCorn's user avatar
  • 51
1 vote
1 answer
550 views

I am tyring to connect my arduino to P5.js through node js for a school assignment. We need to download the Serial Port application from github, install it in our terminal, connect our arduino, ...
K-PopCorn's user avatar
  • 51
-2 votes
1 answer
57 views

I was trying something for my first project working with Arduino about an automatic trash that open when a hand get close to her. While I was coding, I got an error. Here is the code: #include <...
cheggouri mehdi's user avatar
  • 1
-2 votes
1 answer
431 views

I want to execute the blink example in Arduino UNO using LED pin 13 (inbuilt) And I want to use Python to do so.... "I did upload the Standard Firmata code in Arduino using the Arduino IDE" ...
SpR's user avatar
  • 1
0 votes
1 answer
99 views

I have an Arduino Uno Program that takes a string (a command) send via Telnet from a TeraTerm Console to set I/O Expanders. The first 4-5 strings I send always contain junk characters before the ...
user23736704's user avatar
  • 11
0 votes
0 answers
358 views

I'm encountering an issue where my AS608 fingerprint sensor works flawlessly when connected to an Arduino Uno but isn't being detected when connected to a Wemos D1 R1 board (ESP8266). The sensor doesn'...
MEHAL WIAM's user avatar
  • 11
0 votes
0 answers
595 views

I am a beginner with arduino, and I've just bought a uno r4 wifi for a project I want to make. To get practice using the board over wifi, I tried to use the example sketch "AP_Simple Web Server&...
Rob S's user avatar
  • 1
-1 votes
1 answer
310 views

I am trying to control my servo with PyFirmata2 (Using an Arduino Nano). It works half the times and stops at random angles the other half. Why aren't the results consistent and reliable? Same result ...
Rayaan's user avatar
  • 9
0 votes
1 answer
296 views

I have some code that I can use to turn my TV off and on with an arduino nano and an IR LED. It works great. However, I want to run it on an uno r4 wifi so it can be controlled remotely. When I upload ...
Tim's user avatar
  • 13
0 votes
0 answers
165 views

I'm trying to receive data from the MySQL server hosted on AwardSpace to my Arduino MEGA2560 using the SIM7600CE, but I'm not receiving any response. The SQL code attempted to extract the data and ...
All44000's user avatar
  • 1

1
2 3 4 5
…
45