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.
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Can Arduino Mega2560 Use this 24VDC Relay?
Can a Arduino MEGA 2560 R3 provide enough current out of its pin to activate the Songle srd-24vdc-sl-c relay? Will powering the Arduino with an external power supply help?
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Arduino Mega & WiFi Shield; why web server every time says my A7 pin reads 0V?
I have got Arduino Mega 2560, Arduino WiFi Shield and resistor 1.5K.
Now PWM 2 is attached to the resistor then attached GND. 5V is attached between PWM2 and resistor's up point. I want to read the ...
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Can the official arduino GSM shield library be changed to work with hardware serial on mega
I have a complex requirement that uses a number of libraries that depend on timing I.e. OneWire. When using the official GSM shield on a mega, it loads a version of software serial to talk to the GSM. ...
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Connection problem with Arduino Mega 2560 and GSM shield ( official M10)
As I don't want to stack the shield over the mega 2560 board, I try to connect only the pins that used for GSM communication. Here are my connection:
Pin 3 on Mega <==> Pin GSM Rx on Shield
Pin ...
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2.4" TFT LCD Shield isn't working on Arduino Mega
Even on ebay's website it is mentioned that I can't use 2.4" TFT LCD Shield display on attach to Arduino Mega. The problem is that I bought this shield by mistake. I want to put this shield onto ...
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How to program a CAN-BUS Arduino shield to control car windows?
My project is to control car windows using voice recognition. I have successfully controlled some LEDs using the EasyVR Arduino shield using and Arduino MEGA. Now I want to take control of the windows ...
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Modbus Protocol Compile Error
I have Code for Mod bus Library as below. I have Gone through lots of forum. How to assign device ID, slave address, length using below library function:
#include <SimpleModbusSlave.h>
#define ...
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Problem with Xbee or Arduino? [duplicate]
I am sending three analog signals through the xbees to be written to analog pins on the receiving side so they can be read in Simulink. I connected both of the arduino megas to my laptop and uploaded ...
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Reading three signals sent serially on Simulink from Arduino
I am sending three signals from one Arduino mega to another using xbees. On the receiving end I am using these signals in a Simulink code to control servo motors. Currently it is set up to read from ...
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3.3V, 5V and 9V pins on Arduino
On my Arduino Uno R3 and Arduino Mega R3, there are 5V and 3.3V pins.
However on this page Introduction to the Arduino Board, there is a 5V and 9V pin but no 3.3V pin. The page at Arduino: What ...
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How can I get a unique ID for all my Arduino boards?
Once you have uploaded a sketch to one of your Arduino boards, it is hard to know exactly what source code led to that sketch.
Indeed, you may change the source code of your sketch on your PC without ...
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