Questions tagged [arduino-due]

Arduino DUE is an microcontroller card based on the Atmel SAM3X8E ARM Cortex-M3 CPU. This is a 32bit ARM core MCU.

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1answer
54 views

Arduino DUE wheel encoder

I have an Arduino due, I am trying to keep track of ticks on two wheel encoders, polling in an infinite loop results in terrible performance. Have any suggestions? It looks like the due might have an ...
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0answers
23 views

How to modify an Arduino Due native USB port VID and PID?

I would like to know if it is possible to modify the VID and PID of the Native USB port of an Arduino Due.
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1answer
42 views

Arduino native USB port and Simulink [closed]

I am trying to communicate through the native USB port of the Arduino Due with a PC. The native port itself works, I have tested this. The problem is, that every time I upload my Simulink model via ...
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1answer
81 views

Dealing with USB Unplugging?

The following code, debugs SerialUSB Native Port, plugged to a PC, and connected through a Terminal Monitor (such as Termite, with any bps, 8N1, RTS/CTS). At start, the ports seeks for communication, ...
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1answer
254 views

Arduino Due 16U2 Programming Port Documentation

Are there any documentation or whatsoever on what the 16U2 does when trying to program the Sam3X in Arduino Due? I reallynwant to know what's wrong with my made up board but can't get pass the No ...
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2answers
51 views

5V alternative to Due?

I've designed a circuit controlled by an Arduino Mega 2560 involving a number of external components all running on and sending out 5V signals. I'm now realizing that the 8Kb of SRAM on the Mega 2560 ...
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3answers
35k views

Arduino Due vs Mega 2560

What can an Arduino Due do that a Mega 2560 can't? What can a Mega 2560 do that a Due can't? I've heard the Due is 3.3V so it can't work with most shields.
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1answer
68 views

Second I2C on Due RTClib, can't start

I am using SDA1, SCL1 for my DS3232 with RTClib on Due. It works on a Mega2560 on SDA, SCL. I ran I2c_test with success after I inserted #define Wire Wire1 However with ds3231.ino this define doesnot ...
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1answer
347 views

SimpleAudioPlayer + sleep function

I have tested the SimpleAudioPlayer example. https://www.arduino.cc/en/Tutorial/SimpleAudioPlayer This works fine, but when I add a sleep(1000) at the end of the loop() function, the music sounds ...
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1answer
39 views

Why does Arduino Due appear to halt after single call to ADC_Handler?

In the simple example below I just software trigger an ADC acquisition and then set the builtin LED's digital out in the interrupt handler. I don't know why the program appears to halt however. void ...
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1answer
56 views

Comments change compiled behavior (sysTickHook weak reference override)

I have a very simple routine that lights up the built-in LED (pin 13) when a system tick timer fires off its interrupt. I override the weak reference to int sysTickHook(void) found in hooks.c. I found ...
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1answer
2k views

Creating Sine wave with DAC and feeding it back

I want to produce Digital Sine wave send it to DAC0 and then receive it back as input on A0 and plot the graph. I am using Arduino Due. I wrote the following code: #define maxSamplesNum 120 #define ...
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1answer
51 views

ov2640 with 18 pin and no arducam shield

I bought this ov2640 camera module with 18 pins and I don't have shield to insert it to. I am looking for a library or working code on this my camera sensor but all I kept getting was arducam examples ...
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1answer
38 views

Where are source files for Due?

Where are the source files containing the definitions and the HAL functions located for the Due? I am trying to do CMSIS programming.
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1answer
460 views

Arduino Due as Triggered DMA SPI Slave is possible?

Is it possible for arduino Due to act as DMA-SPI-slave device which can exchange SPI data (uint16_t TX[10] and RX[10]) in triggered slave mode? I have a setup in which time period is very short (~...
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1answer
50 views

Setup Due counter

How do I setup a Due to count rising edges on a pin automatically without having to waste time on an ISR? I have some wheel encoders, the simplist implementation is direction less where you only count ...
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2answers
61 views

Arduino Due generate 400KHz sine waze

I new in Arduino environment. Found some code generate sine wave but frequency between 14kHz to 84kHz. URL is https://www.instructables.com/SineWave-Generator-for-Arduino-DUE/ I need to generate sine ...
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1answer
168 views

Set SPI MOSI pin to idle low on a Due?

I have an SPI slave connected to Due. I send the SPI slave into sleep mode. During sleep, I need to pull all pins low, including MOSI. What's the best way to pull the SPI-4 pin low on a Due? Here's a ...
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1answer
173 views

Arduino and Processing Call and response not working

I have been trying to develop a connection from the arduino IDE to Processing so I can send data measured on the arduino Pins to processing to display. I first packaged the 10-bit integers I was ...
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2answers
150 views

Keypad pin as an interrupt (Wiring or programming)

I have this project of a "phone". It consists of: Arduino DUE, 4x4 Keypad, SD Data shield, a phone receiver detect (on/off) an Amp and a Speaker. In the beginning, after the phone receiver ...
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1answer
3k views

fatal error: avr\wdt.h: No such file or directory in arduino due

I am using Arduino DUE for vehicle tracking gps/gprs device. Before using Arduino DUE I used Arduino UNO. When I am trying to load my code in Arduino DUE It shows me "fatal error: avr\wdt.h: No such ...
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1answer
75 views

Register writing by compound assignment and pointer in Arduino due

I'm confused with register wrting method by compound assignment and/or pointer because I don't know where are some of the values come from. Example 1 REG_PMC_PCER1 |= PMC_PCER1_PID36; // Enable PWM - ...
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1answer
684 views

Writing data from multiple sensors in burst mode to an Arduino Due

I need help developing a simple sketch that can read data simultaneously from 3 analog accelerometers and send it in 'burst mode' to be stored on an SD card, to reduce the effect of latency. I used ...
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1answer
610 views

Arduino Due connection with FLIR Lepton

I'm trying to connect a FLIR Lepton to an Arduino Due. A thread by pureengineering talks of rerouting some pins. I am not sure what they precisely mean. Does this rerouting mentioned in the link also ...
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1answer
1k views

Communicate with custom usb slave device with DUE?

I have a arduino due which i know has usb host mode. The usb library that comes with the due supports mouse and keyboard. I have another usb device (diacnostic tool) id like to talk to, it use a: USB ...
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1answer
50 views

Can Arduino Due be programmed with both USB ports connected?

It seems, due SAM-BA (SAM Boot Assistant) inside ATSAM3X8E being listening to both Native USB and UART USB ports after a Reset for programming, allowing talking with SAM-BA, this time from your PC, ...
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1answer
397 views

Arduino Due - wireless programming via Xbee

I would like to integrate an Arduino Due into a project, which probably will evolve over time and will need some re-programming. Instead of having to disconnect and pull out the Arduino Due out from ...
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0answers
60 views

Using ICSP pins as SPI in Arduino Due

I am using two RFID sensors operating on SPI with arduino Due. They will not be operating at the same time. Is it favorable to use the ICSP pins as SPI pins for one of them, or use them in a one ...
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6answers
6k views

What is a faster alternative to parseInt()?

I'm making an LED spectrum analyzer with an Arduino Due and my PC. The audio processing is done on the PC, and then sent to the Arduino. The exact data sent is a 'coordinate', or more specifically, a ...
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1answer
73 views

How do I get the size of my program at runtime?

(This question is specific for the Arduino Due, but maybe there's a general answer to the question) I'm using DueFlashStorage to store application data in the flash memory of my Arduino Due. That ...
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1answer
45 views

Do I need an Microchip ATSAM3X8E Evaluation Kit?

I am intending to use the Arduino Due processors into my own designs. We have a very extensive (dozen of thousands of lines in .c code) sets of Arduino Due functional codes, and now I intend to move ...
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1answer
64 views

How can i call lcd.begin() from several different code files in a proper way?

I have a project split into several files: //Loop.cpp #include "LiquidCrystal.h" void setup(){ LiquidCrystal lcd(12, 11, 5, 4, 3, 2); lcd.begin(16, 2); } void loop() { //Code } ...
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Generating Externally Triggered Complimentary PWM with Arduino Due

I need a 2KHz complimentary PWM waves with adjustable duty and phase that is triggered by an external 4KHz source. After reading the datasheet I think there might be 2 way to do this: Use a TC unit ...
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0answers
158 views

Program the Arduino Due with the ESP32

I'm trying to do OTA firmware updates for the Arduino Due with the ESP32. Now so far I'm able to get the firmware from a website and transfer it over UART. Now I'm looking to get the firmware and ...
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1answer
103 views

How does one wire OV7670 camera with Arduino Due?

The parts that I want to interface together are: Arduino Due OV7670 Camera Module 3.5" TFT Touchscreen LCD (uses MCUFRIEND_kbv library) My goal is to get the video feed from the camera to the ...
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1answer
122 views

How to improve the sampling rate of Arduino due ADC?

I am now working on a project, which needs a cheap analog acquisition device with a sampling rate of no less than 5MHz. Before, I only used Arduino, and rarely operated the registers on Arduino. I ...
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4answers
6k views

How to package a 16 bit integer to send it with serial.write?

I am trying to display the values i get from reading a potentiometer (0-1023) in the program called 'processing'. when I just use Serial.write(integer) and display the value on a line graph in '...
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1answer
3k views

Reading Two Quadrature Encoder using a single Arduino Due

I am working on an autonomous robot in my summer vacations. I am currently working on running the motors of my robot in a closed loop. In order to do so, I have to interface two Quadrature encoders of ...
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0answers
39 views

DHT-sensor-library-master

I only uploaded the library to check whether it has installed correctly. It's installed and i am having this error. Using library DHT-sensor-library-master at version 1.4.1 in folder: C:\Users\Mcniven\...
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3answers
874 views

PCA9685: how "unset" PWM signal?

I use my Arduino with Adafruit PCA9685 servo controller. To set PWM signals I use the provided library: https://github.com/adafruit/Adafruit-PWM-Servo-Driver-Library It allows easily set PMM signal ...
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1answer
215 views

Extracting .hex from Arduino Due

I have an Arduino Due that was programmed by the Arduino IDE, to cut things short I lost access to the original sketch (.ino) file, there is no way of recovering it no matter what. I know that in the ...
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0answers
89 views

Black screen when using higher SPI-speed for RA8857 LCD-controller

I'm using an Arduino Due that talks via SPI to an LCD (800x480) with the RA8875 controller chip. The most recent datasheet I could find is: RA8875 datasheet. Everything works as expected when using ...
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1answer
83 views

Why NVIC_EnableIRQ handler function only run once?

I have a code that spit out random number when the ISR register is ready: #define TRNG_KEY 0x524E47 uint8_t lut[10] = {0xF6, 0x12, 0xAE, 0xEC, 0xD8, 0x7C, 0x7E, 0xE0, 0xFE, 0xFC}; uint32_t msk = ...
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0answers
53 views

Arduino Due Serial Port Not Showing - Mac

Using a Mac (Big Sur 11.1) When trying to set up the IDE I was able to install the package that contained the Due board, but the serial port for my Arduino Due isn't appearing in Tools -> Port ->...
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0answers
62 views

Connecting MPU6050 to Arduino Due but using Jeff Rowbergs Library

I am working on a personal project in which I need to collect accurate data from the MPU6050 using an Arduino Due. I can interface and read data from the MPU using the SLC and SDA pins and the "...
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1answer
189 views

Arduino due erase button and power switching

Last days I have been investigatin schematics of arduino due board. The purpose of proper understanding of schematics in crucial for me, beacuse I indend to build myself my own board with some minor ...
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2answers
37 views

How to remove Arduino Due and Mega shields without bending pins?

What's your suggested technique for reliably removing Arduino Due and Mega shields while minimizing the chance of bending the strip header pins? For example, there's a similar discussion here where ...
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1answer
396 views

How to enable exception handling on the Arduino Due?

While the question here gives some hints, the solution provided there does not directly work on the Due, since it uses a different compiler and toolkit. Also, the Due has more than enough flash for ...
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1answer
13k views

Manual Arduino Due Installation

Not sure if this is the right place to post this. I have an Arduino Due I'd like to start using. I've been using Unos, Megas etc no problem. The newer IDEs have removed the Due support. I've been ...
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2answers
212 views

Memory allocation on Arduino Due never returns NULL

I'm working on a project that uses quite a bit of RAM to store and analyze data that is sent from the PC. The program heavily relies on malloc/free, which normally works just fine. However, if the ...

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