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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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I developed a quick custom PCB using the ATSAM3X8EA-AU as I wanted to use Arduino to program it as an Arduino DUE, I kept most of the schematic the same, however I used pin A14 pin 52 as an analog ...
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I have given two square waves as input to an Arduino Due's digital pins, and I'm trying to find the propagation delay between them. For this purpose, instead of using micros() I want nanoseconds ...
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I have this exact LCD shield: http://www.lcdwiki.com/2.8inch_Arduino_Display SKU: MAR2808 Driver IC: ILI9341 It works on an Arduino Mega 2560 using the old libraries the manufacturer (I assume) ...
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I have 4 Arduino boards pushing data over UART to 4 serial ports on the Arduino Due at 115200 baud rate. Data format - <Short URL>,<Number of the Node> Eg: px.ht/d/mCxG,1" Arduino Due ...
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I have a project where I need to store data (~16 Mo) on a memory and be able to fetch the data fast (<36000 bits/s) with DMA because I have other signals to take care of. Currently I use an SD card ...
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I'm using an Arduino Due to make a feedback loop using python, but this does not seem to function. The python code I'm using is the following: from serial import Serial board = Serial('COM11',9600) ...
celestin's user avatar
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I need to send data as fast as possible from an Arduino DUE to an extern DAC. To do so I use DMA & SPI and I want DMA to fetch data from the memory and send it to the SPI which will just relay it ...
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I was trying to learn how to use UDP protocol to use in my automation project to send commands to an Arduino Due on ethernet with an ENC28J60 breakout board which I have connected to the Due from SPI ...
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Good Morning to everyone, I am a PhD Student in experimental fluid mechanics at the University of Naples "Federico II", Italy. I am working on Arduino Due card and i am novel in applications ...
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I have run into this issue where my code will upload to my Due but fails to execute. I have verified the code works on a SparkFun Redboard. The only code difference is that the SPI pin assignments ...
Ender's user avatar
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I needed SPI with CPOL=1 and CPHA=1. I read, that I could achieve this via SPI_MODE3. Further, I read to put the CS low and CS high code after SPI.beginTransaction(...) and before SPI.endTransaction() ...
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I am attempting to use radio modules to receive a value from a sensor, either 1 or 0, and complete an action. The only problem is that I would like the action to only complete once per state change, ...
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I am working on a project using Force Sensors to build a keyboard for MD patients. I have connected the sensors (each with 4 input pins) to digital pins to Arduino Due. I want to adjust the threshold ...
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I am looking for a very low frequency application like below 300Hz. What is the minimum sampling rate in Arduino due? I am very new to this. I see in the datasheet that max sampling rate is 20MHz.
Nimasha Pilippange's user avatar
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It's been harder than I expected to find a reference source or usage guide. There's a number of sources I've looked at along the road to this question: The Due is listed here and here as having 512KB ...
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How do I trigger automatic conversion on the ADC on the DUE? If this was the uno, I could just do sbi(ADCSRA,ADATE); sbi(ADCSRA,ADSC); but for the due, I seem to have to use adc_configure_trigger(ADC,...
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I am finding that setting duty cycle on PWM channels 4 or 5 has an influence on whether channel 6 generates output. The following is a design of experiments view of my tests and results, where the ...
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I am attempting to read and write from/to an EEPROM chip, and have got access to this 64 kbit device. It appears I can write to the device and read from it, but there appears to be some strangeness ...
J Collins's user avatar
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I am looking for a reference document or documentation system that concretely relates at minimum: Screen printed pin name/number SAM3X8E pin number Register number Channel number Port name In my ...
J Collins's user avatar
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I would like to know if it is possible to modify the VID and PID of the Native USB port of an Arduino Due.
Daniele's user avatar
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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 ...
Lemonbonbon's user avatar
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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 ...
Daniel Williams's user avatar
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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 ...
Adam V. Steele's user avatar
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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 ...
Adam V. Steele's user avatar
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Where are the source files containing the definitions and the HAL functions located for the Due? I am trying to do CMSIS programming.
FourierFlux's user avatar
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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 ...
Paul Nnamdi's user avatar
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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 ...
Marlin Turbett's user avatar
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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 ...
FourierFlux's user avatar
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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 ...
Wan Aideed's user avatar
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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 ...
GoldenMoose's user avatar
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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 ...
FourierFlux's user avatar
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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, ...
Brethlosze's user avatar
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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, ...
Brethlosze's user avatar
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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 ...
sarah 's user avatar
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(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 ...
PMF's user avatar
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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 ...
Brethlosze's user avatar
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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 } ...
Erik's user avatar
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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 in ...
7E10FC9A's user avatar
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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 ...
gailulun's user avatar
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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 ...
Ranstor Flash's user avatar
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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\...
never's user avatar
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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 ...
Abdalrahman Seliem's user avatar
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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 ...
Sven Onderbeke's user avatar
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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 ->...
Tank12's user avatar
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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 = ...
7E10FC9A's user avatar
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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 "...
Daniel G's user avatar
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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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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 ...
PMF's user avatar
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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 ...
PMF's user avatar
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Does anyone know why these 4 resistors are there (attachment)? It seems like they are useless since connected in a loop to GND. Full schematics here: https://store.arduino.cc/arduino-due
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