Arduino DUE is an microcontroller card based on the Atmel SAM3X8E ARM Cortex-M3 CPU. This is a 32bit ARM core MCU.
0
votes
0answers
27 views
Arduino Due Serial garbage
I have made a custom board based on the Arduino Due but have some problems with the Serial communication with the 16u2 chip.
i have usb connection with the 16u2 chip and was able to load the ...
0
votes
0answers
8 views
Due as USB Host timing issues
I own a UDOO Quad board which features two CPUs (SAM3X8E like Arduino Due and a ARM Cortex-A9) connected with an internal OTG USB.
I am trying literally for months to use the USB Host Shield Library ...
0
votes
0answers
15 views
HM-10 and Arduino Due
I am trying to communicate between HM-10 module (without any breadboard or soldering) and experience problem with reading data from serial.
Here is the code:
#define TO_HEX(i) (i <= 9 ? '0' + i : ...
1
vote
0answers
27 views
How to disable the write protection of the USART mode register?
I have a device which transmits USART with inverted polarity, and I would like to read data from it with the help of an Arduino. I use an Arduino Due, which has a SAM3X processor, so it should be able ...
5
votes
0answers
59 views
Mysterious RX pulses on UART connect on OS X Arduino Due
Arduino IDE 1.6.8, Arduino Due, Mac OS 10.11.3
I am seeing eight mysterious pulses on the RX line when I connect to the serial port using multiple client libraries (Python, JavaScript as well as the ...
5
votes
2answers
130 views
Arduino onboard LED pin number as a constant
To use the onboard LED on an Arduino one usually has to know the pin number (13 in most cases), but is there a constant in the Arduino IDE one can use as well?
So is it possible to use something ...
0
votes
3answers
129 views
Programming Arduino in Pascal?
My question is simple: there is any Pascal or Pascal-class (FPC, Delphi, mikroPascal) programming language for Arduino?
Preferably (I hope I don't ask too much) that language should not be older ...
4
votes
2answers
54 views
How to program arduino due without arduino ide
Is it possible to program the Arduino Due without the Arduino IDE? Is there a standalone program that can be downloaded, and be used to upload a .bin file (which has already been generated from the ...
0
votes
1answer
151 views
Arduino is not responding to a Tiny RTC I2C modules, How to fix?
We have an arduino due with a Tiny RTC I2C module and we're trying to print the current time to the serial monitor. However its not working, currently its printing the time as 2165/165/165 (Monday) ...
0
votes
0answers
22 views
Can we change the frequency of LED illumination
I had a problem during imaging of illumination of 8*8 LED series(rainbowduino V3.0b). The light source has flickering issue. I have camera operating maximum at 15 frames per second. Is there any ...
-1
votes
1answer
10 views
Programing uploading to Arduino due
I am new to Arduino and bit blur on how it works. lack of info on the net about it. please help me with these questions!
Does Arduino due allow you to upload a program on programming port and then ...
3
votes
1answer
113 views
Need some explain before desigin my own custom Arduino Due board
I'd like to ask you some questions about ARM processor from Atmel like the SAM3X8E, the one used in the Arduino Due. I have found this [AVR programming guide] from abcminiuser on avrfreaks very ...
0
votes
3answers
42 views
Serial Monitor not displaying anything
I have a very basic script that is supposed to display something to the serial monitor but no matter what I try the serial monitor won't display anything...I;ve watched about 5 tutorials now and each ...
-1
votes
1answer
51 views
Arduino Due Port Not Found
I've got an arduino due and I'm having great difficulty connecting to it. The problem seems to come and go, I was using it just fine only 3 or 4 hours ago but now it just won't connect. I've got the ...
0
votes
1answer
74 views
Arduino Due interrupt is taken but not executed completely
I tried to build a simple l-meter with my arduino due. I programmed a simple frequency meter with one timer and one counter. The timer takes an interrupt each 10s, 100ms, 10ms and 1ms. But ones the ...
-1
votes
3answers
51 views
Distance sensor
I am adding a distance sensor to existing project that uses Arduino due, do I connect the trigger pin and the echo pin of the HC-SR04 ultrasonic sensor directly to Arduino due which uses 3.3V while ...
0
votes
2answers
47 views
Dimmer on Due: digitalWrite on one pin affects digital value of another
I'm trying to make dimmer for heater using Arduino Due. I'm using a variant of this very common scheme:
My scheme has MOC3043 with zero-crossing detection.
I use two pins to control the dimmer: ...
1
vote
0answers
42 views
Understanding types of timer interrupts
I'm learning this note about timer's api on Arduino Due. Interrupt can be attached with the next function:
void tc_enable_interrupt(
Tc * p_tc,
uint32_t ul_channel,
uint32_t ...
-1
votes
1answer
69 views
Control brightness of 20 watt street LED light using Arduino
I have searched google and I now know that if we change the resistance, we can change the brightness of an LED, but I was wondering how to change resistance by using a micro controller.
0
votes
3answers
169 views
Simultaneously reading data from multiple serial ports
I have three sensors latched on to three different Arduino devices.
The respective Arduino devices are connected on to an Arduino Mega on Serial1, Serial2 and Serial3.
The data from each device ...
0
votes
2answers
51 views
Arduino & ARM - Replacement for avr-libc?
There is very cool avr-libc library that provides direct access for all functions of AVR microcontrollers. I'm writing a project for Arduino Due and I want to use timers and ISRs directly. Is there a ...
-1
votes
1answer
68 views
Arduino Due with Atmel Studio 7
I was trying to switch to Atmel Studio for programming my Due project since it became more and more complex.
I managed to use the Arduino Importer Wizard to load a blink.ino file and included all the ...
0
votes
0answers
26 views
AJ_WSL_DriverStart is unable to start the driver
I am getting the same error as mentioned in below link while running the alljoynThin on the ArduinoDue + GT202 :- ...
1
vote
0answers
24 views
Connecting Arduino Due's DAC output to pc sound card with protection
I would like to connect the DAC outputs of my arduino board to my pc sound card input so that I can use my sounds card as an osciloscope.
I have two questions:
1- if I don't use an amplifier, how ...
3
votes
1answer
193 views
Arduino Due: Interrupt-based ADC hangs processing
I am trying to build an oscilloscope using an Arduino Due and an LCD. I have the LCD running perfectly and started working on using the ADC peripheral to sample signals. Here's what I have so far:
...
0
votes
0answers
56 views
Bluetooth help with Arduino Due
I have been able to establish a successful connection between an RN-42 Bluetooth module and Arduino Uno, but I could not do the same with an Arduino Due. The module connects to the phone but whatever ...
3
votes
1answer
31 views
Due : DMAC BTSIZE trimmed modulo 8192?
On Arduino Due, I set-up DMA transfers using direct control of memory mapped hardware registers.
There is a 16-bit BTSIZE field in CTRLA which indicates the number of (width sized) transfers. If I ...
0
votes
1answer
41 views
Permanent connections with Arduino Due
The Arduino Uno (for some models) has the ability to dislodge its IC chip. You can mount this on a piece of perfboard and, in essence, have a permanent connection. I will need the beefier Arduino Due, ...
0
votes
1answer
73 views
Arduino due - Getting 0xFF (garbage) from serial
I am developing application with serial communication with arduino due.
Like this:
while(1)
{
if(Serial2.available() > 0){
byte l_byData = Serial2.read ();
Serial.println(l_byData,HEX);
}
...
0
votes
1answer
122 views
Migrating from ATMega2560 to ARM based — Teensy vs Due?
I currently have a project that is working on an AtMega2560 platform (heavily derived off the Arduino Mega). It mainly involves a GPS module and SD card.
Going forward I am looking to add a few more ...
1
vote
0answers
53 views
Flash Arduino Due via UART
I would like to write code in Arduino language, compile it in the Arduino IDE, grab the resulting binary code, and flash it to the Due via the TX/RX UART pins, bypassing both the USB Programming Port ...
4
votes
0answers
108 views
On Arduino Due webserver, there is a 5 second delay on Windows, only when connected via native port
My Due webserver was working perfectly fine for months when connected to Linux via the native port.
But when connected to Windows 10 via the native port, if the Arduino webserver is idle for about 5 ...
0
votes
1answer
83 views
Arduino Due SPI speed reduction
I need to reduce the SPI clock speed of the Arduino Due down to about 100 kHz. Unfortunately my hardware doesn't support higher speeds.
With the current maximum divider of 255, I can only reach a ...
1
vote
1answer
425 views
Speed of built in DAC/ADC in Arduino Due
Can someone tell me how fast the built in DAC (and ADC) in an Arduino Due can be written or read? I currently don't have the equipment to measure but need the information to plan my next steps.
I ...
2
votes
1answer
71 views
Arduino due dying after connection, gets hot
I have an Arduino Due (made in Italy) which suddenly (after working nicely for some time) started a new behavior: If I connect it to my computer via USB it is recognized and connects. The "On"-led is ...
1
vote
1answer
55 views
Arduino sketch does not repeat
I have a Problem with my code.
My Goal is to receive a Ethernet message via UDP and send the message back via CAN.
It works fine but only with the first packet I send. When I send the same packet ...
2
votes
0answers
22 views
Reading Reveive Hold Register from USART in SPI Mode on Arduino Due
Sending with this function here works fine:
uint16_t usart0spiTransfer16(uint16_t spiMessage16) {
uint16_t sdo = 0;
byte firstByte = spiMessage16;
byte secondByte = (spiMessage16 >> ...
0
votes
2answers
152 views
Unable to upload sketch on Mac OSX El Capitan
I recently dusted off an old Arduino Duemilanove to play with. I can connect it to my Mac laptop with the same USB cable I used previously and I'm able to monitor the serial port and see the output ...
0
votes
2answers
84 views
Arduino Due uploading error using Eclipse plugin “avrdude: stk500_recv(): programmer is not responding”
I have a Arduino Due that I'm trying to upload a sketch to. I follow the tutorial http://playground.arduino.cc/Code/Eclipse to get the board running with the Eclipse plugin.
However uploading the ...
0
votes
0answers
41 views
How to use Due PB0-PB7 pins as an external interrupt
In my board I need to use PB0-PB7 ports as an external interrupt sources.
Is it possible?
I spent a lot of time to understand that. Seems the easiest way is to update variant.cpp file by adding ...
1
vote
1answer
541 views
Graph plotting on Python using Tkinter Canvas
I'm trying to plot a graph with python using the canvas widget, I'm currently sending data in from an arduino sensor sketch ..does anyone have an idea on how I can plot this graph in real time on ...
1
vote
1answer
201 views
Graph plotting on Processing from Arduino sensor data
I am trying to plot a graph on processing but I'm having challenges going about it. The processing sketch below does work for plotting only one axis, and I'm trying to plot all three axis on the same ...
1
vote
0answers
47 views
How to add new pins in the Arduino Due
I want to modify (extend) g_APinDescription array defined in the variant.cpp.
It is necessary for new pin addition. I want to use PB0-PB7 ports as an external interrupts.
I tried the following code:
...
0
votes
1answer
123 views
Why does Arduino Due Native Port change serial ports after every reset? (Linux)
Previously I had my Due connected via Programming Port for weeks, and it never changed serial ports after pressing the reset button. Recently I switched to having it connected via the Native Port ...
1
vote
0answers
94 views
Errors when deploying Simulink model to Arduino Due
I am trying to connect an Arduino Due to Simulink to run it in external mode. I am unable to successfully deploy to hardware.
I'm testing it with a blinking light model: A pulse generator connected ...
-1
votes
3answers
1k views
Plotting a real time graph of sensor data from Arduino on Processing, MatLab or Python
I have an accelerometer connected to my Arduino Due to spit out data on my serial monitor as described in my earlier post. I'm trying to find a sketch I could use to plot a continuous real-time graph ...
0
votes
2answers
62 views
Are DAC pins useful for anything besides working with audio?
Whenever I run into information about DAC, it seems to be related to audio processing. Are there any other use cases where DAC might be useful, or have any advantages over regular ADC PWM output on an ...
1
vote
1answer
105 views
pushing accelerometer data in packets from an arduino due to the pc and unto processing
I'm quite a newbie to this and I've been struggling for sometime now with my school project, trying to find a way to send accelerometer data from my MMA7361 in data packets, I understand that I have ...
0
votes
1answer
44 views
433Mhz transmitter interference when using long cable, only on Arduino Due
When the 433 transmitter is wired close to the Arduino Due (within 12" away), it works as expected. But when I put it on the end of a 15' cable, it has the following 2 symptoms:
-All the other nearby ...
1
vote
1answer
43 views
USB detect on Arduino DUE
I want to know when something is connected to USB port by blinking an LED.
I suppose have to check PB10 UOTGVBOF, but how to do this ?
