Questions tagged [arduino-mega]
A microcontroller board based on the ATmega2560 or 1280 chip. Use this tag for questions specifically regarding the Mega, and not just general Arduino usage.
1,822 questions
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nRF24L01 using sender as receiver and vice versa with RF24 library
I have two nRF24L01 modules (I tried 2 with antenna and 2 without antenna) paired with their power base module and connected to two different Arduino Mega 2560 boards.
I'm able to send from one module ...
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Arduino Mega2560, Ethernet Shield & OV0706: "Camera not found"
I want to take a picture with the OV0706 and save it to an SD card. I'm using an Arduino Mega2560, Ethernet Shield (with SD slot) and an OV0706. I tried the tutorial for this camera from Adafruit, but ...
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3.5 inch TFT LCD connection diagram with mega r3
Forum post
I would like to ask if someone has this shield fully working?
My biggest problem is the touch screen that I couldn't manage to make work.
Here is the code I am using:
// ic: ili9327
#...
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Turn ESP8266 into an Arduino IDE-like "sketch uploader" (over hardware serial)
I have an ESP8266 module which has downloaded a hex file for an Arduino Mega2560. This hex file (call it mega2560.hex) is sitting in the ESP's SPIFFS file system. What I want to do is basically ...
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Arduino keeps restarting with L9110 and DC motor
I am trying to control a DC motor using the L9110 motor driver and Arduino MEGA 2560.
Here's the code.
#include <Arduino.h>
const int rightA = A3;
const int rightB = A2;
void setup() {
...
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Connecting multiple ultrasonic sensors(hc-sr04) to a single arduino board.(mega)
I am currently working on an alarm system using multiple sensors and one arduino board and I am getting readings from 2 of the sensors but one gives a constant zero and a constant buzzer sound even ...
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Using MFRC522 along with other inputs (Bluetooth, keypad)
I'm making a little parking lot, which includes mostly opening a servo motor using either keypad, Bluetooth (hc-05) and freshly added, RFID (RC522).
I can't get inputs from other sources if I want to ...
CommunityBot
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DS18B20 Error in Proteus 8.13
I am using the below code to check temperatures from 36 DS18B20 sensors using Arduino Mega 2560. If any one of them go above 50 deg. celsius, then it sets the output pin to HIGH.
I am trying to run ...
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How to connect Arduino Mega 2650 and motor driver shield with separate power source?
I am building a robot that runs only when a matching RFID tag is identified..for that I need a motor driver shield for running the motors and a RFID module. The problem is if I attach the motor driver ...
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Connecting Arduino Mega 2560 to Python with PyFirmata
I am currently controlling two servos using the Arduino IDE, but now need to integrate my Arduino code into a Python script. I read about how to use PyFirmata and went through the process of uploading ...
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After an USB disconnect the program I've uploaded to the Arduino Mega 2560 doesn't work properly anymore, why?
For a race simulator I'm using several Arduino Mega 2560 boards on which the code that will post below will be running. (not my code! But freely available on the internet)
Everything works fine, just ...
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How can I improve ELM327 response stability on Arduino after setup verified with OBD-II scanner guide?
I'm using an Arduino Mega with a Bluetooth ELM327 adapter to read live data from my car’s OBD-II port — specifically RPM (PID 010C). The goal is to log data to an SD card or display it in real time.
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HMC5883L Magnetometer X, Z values constant, only Y value Changes
I have a HMC5883L module connected to an Arduino Mega 2560 via +5, GND, SCL, SDA. The Arduino code is from the MagMaster-master example, as follows:
#include "Wire.h"
#include "...
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Software serial communication problem between ESP8266 and Arduino Mega for plant monitoring system (using Blynk IoT)
We're using the ESP8266 to receive data from the Arduino Mega board, where our sensors are connected. Supposedly, our ESP is connected to the Blynk App. However, the values showing up in our dashboard ...
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Two Arduino boards with I2C sensors
I have been searching the internet about how to transfer data from multiple sensors from one Arduino to another using I2C, but no luck. All the code and tutorials online focus on multiple slaves with ...
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