Questions tagged [arduino-zero]
The Arduino Zero is a simple and powerful 32-bit extension of the platform established by the UNO. This board aims to provide a platform for innovative projects in smart IoT devices, wearable technology, high-tech automation, crazy robotics, and much more.
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Use TCC1 timer to generate PWM on personnal board built with SAMD21E18A
I'm trying to generate a PWM signal from TCC1. I have a personnal board built with SAMD21E18A. I want to use pin 27 PA30, in my variant.cpp I have this line:
{ PORTA, 30, PIO_PWM, PIN_ATTR_DIGITAL|...
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1
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Why does my Arduino stop uploading to the Thingspeak server after several hours?
I'm using a Maduino Zero 4G SIM7600 device to upload data from 28 sensors to a ThingSpeak IoT server. It works well for a few hours, then stops uploading the data. Sometimes it starts again after an ...
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1
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Strtok operations on Arduino Zero seem to fail in runtime
I am trying to test functionality of strtok() on a new piece of hardware, as I ran out of memory to develop on my Nano. This is a basic example from the internet involving tokenizing the string and ...
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2
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1
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Remap SPI functions to default pins Arduino Zero via software?
I am looking at the documentation for the Arduino Zero, and I am a little confused.
It indicates that pins 13, 12, and 11 can be used for CIPO, COPI and SCK, but using SPI.begin() puts the signals on ...
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1
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Maduino (Arduino Zero) at91samd21g18 - Unable to connect to the serial port
I have been using this device very little but it was use to work, and it also gave me the same issue in the past, the somewhat I was able to upload again.
I tried to use the reset button, and short ...
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1
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131
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Does Arduino Zero need to be switched between USB EDBG and JTAG port debug use?
I wanted to compare the debug output of the Arduino Zero when connecting via two different debug paths.
Via the embedded debugger (EDBG) connected to Arduino IDE via USB
Via the JTAG hardware ...
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1
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129
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Temperature is not updated on OLED screen - Grove components
I am using 2 grove components in order to display a temperature. I use an I2C High Accuracy Temperature Sensor - MCP9808 and an OLED Screen using this script:
#include <U8g2lib.h>
#include <...
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0
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106
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Putting samd-based board into sleep mode
I'm using a SAMD21G18A based board - the arduino zero, for a battery-powered wearable project (a type of computer mouse). I'm trying to figure out how to put the device to sleep, when it hasn't been ...
- 377
2
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1
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140
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Achieving low power with Seeeduino Cortex-M0+ powered from 12V battery
I have Seeeduino Cortex-M0+, which is similar to Arduino Zero, both using Atmel SAMD21 MCU. It is powered from 12V battery directly to 12V PWRIN jack. Current draw for LED blink test is 18mA. I tried ...
- 207
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106
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Problems connecting to WiFi101 access point
I currently have two Arduino Zero boards (using the SAMD21 microcontroller), each with an ATWINC1500 wifi module attached. I have established one of these units as a wifi access point with a server ...
- 129
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1
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201
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Multiplexer 74HC4067, conflict between channels
I am currently working on an Arduino Zero with a 74HC4067 multiplexer and I am experiencing inconsistencies when testing some of the channels.
My class is the following (it should be functional for 8 ...
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1
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302
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Arduino Zero not recognised as MIDI device via native USB port
I'm currently trying to get an Arduino Zero to show up as a native USB MIDI device in my DAW (ableton). No matter what I try, I cannot get it to show up as a device in Ableton. I have previously used ...
- 101
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0
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108
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Using a level converter to adjust the voltage levels
we are currently working on a device that needs us to connect an sd card reader to 2 Arduino’s ( Uno and zero) , however, we just found that it is not possible to do so without a level converter , may ...
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0
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258
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Arduino Zero and micro SD card not working
I have an Arduino Zero processor (atsamd21g18a) with a microSD shield connected (check images of schematics)
The point is that I cant make it to work, not with sd.h sketch and not with sdfat.h sketch....
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3
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Proper Micro SD card schematic
I am using a micro sd card shield with an arduino zero, and I am not sure I am using a proper circuit with it. This is the circuit I am using right now:
That is all it is there, just a capacitor for ...
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328
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Problems uploading arduino zero bootloader to atsamd21g18a
I am trying to upload the arduino zero bootloader (https://github.com/arduino/ArduinoCore-samd/tree/master/bootloaders/zero) to an atsamd21g18 breakout board that I made. The breakout has a 32KHz ...
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1
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315
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5V pin out, 8 pins and micropython/circuitpython support: does such a board exist?
For a project, I am looking for a board to connect eight different neopixel-strips to, on eight different data pins. Because of the great length between the board and the first pixels of these strips, ...
- 145
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1
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202
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Linking the Arduino Bootloader In Atmel Studio
I have been trying to get the Arduino bootloader to compile into my firmware binary in Atmel Studio. I got the bootloader project to link and compile. I use ArduinoCore and the bootloader as a ...
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1
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Forcing bootloader startup through program
I am trying to find out if it is possible to trigger programmatically the double-tap on reset button function, implemented in modified version of Atmel's SAM-BA bootloader. The board of interest is ...
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1
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387
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Arduino zero programming port recognized as EDBG USB port
I am using Arduino Zero with Windows 10. I tried following the procedure listed in Getting started with Arduino to set up my Arduino/environment, however, when I connect the Zero's Programming Port to ...
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0
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205
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Compile error with Arduino tensorflow lite library
I was reading the article about tensorflow lite on SAMD51 here and tried it and failed to compile.
It was the example from the arduino tensorflow lite lirabry and doesnt seem to compile.
Selected ...
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Free touch big electrodes (arduino zero)
I want to try making big electrodes 20cm*1 cm
but i got an effect i dont understand.
In the picture red and blue are the diffrent electrodes
at first touch the blue one and it rises.
then i touched ...
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1
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386
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Arduino Zero RTC alarm not running loop
Using an ATSAMD21 with the Arduino core, I'm running into an issue where the RTCZero alarm callback won't continue running the loop() function. If I schedule another alarm inside the callback, the ...
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1
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403
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Multiple variant.cpp entries for same physical pin
Some variant.cpp files have more than one entry that points to the same physical pin. For example (from Arduino Zero's file):
// 14..19 - Analog pins
// --------------------
{ PORTA, 2, PIO_ANALOG, ...
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1
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2k
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High-frequency PWM on an Adafruit Feather M0
I'm trying to get a Bluefruit Feather M0, which has a SAMD21G on it, to do high-frequency PWM by accessing timer registers directly, rather than using the Arduino API to do PWM at ~1 kHz or ~500 Hz. ...
- 201
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1
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565
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Arduino Zero to Arduino Zero SPI configuration
I am in the planning stage of chaning two ATSAMD21 with a Zero or Nano 33 bootloade r in a SPI connection. The rational for this is that i am in need of 30 pin GPIO expansion and using 2 mcp23s17 ...
- 213
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1
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125
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How to conect multiple output pin from sensors to a single digital pin on a arduino
Hello i have several power management IC that have an active low indicator for a fault, it would be a waste to dedicate a single digital pin for each of them. So i thought of to interface them to a ...
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Audio Zero not responding on MKR Zero
I have a Arduino MKR Zero set up with a sd card in it and a speaker hooked up to the ground and DAC0. I have a .wav file on it called "test.wav" and it is 8 bit mono 88200hz recording. I am using the ...
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0
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Bootloader and AtmelStudio
I am having issues getting the main program to run after flashing via BOSSA with a bootloader. Jump to the bottom for my question and TL;DR.
Here is my current situation:
UF2 bootloader successfully ...
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0
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219
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How to get a hex file for Samd21 from .ino file
Can you generate a .hex file from an .ino file for the Atsamd21-zero?
I can generate a .bin file but not a .hex file.
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What is the fastest way to data to another Arduino SAMD21 boards
Hello I would be needing to transmit data from one arduino to another as fast as possible? how do I achieve this?
Since my application need a lot of pins (its a compact system so mega and due are not ...
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139
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Adafruit Feather M0 Basic Proto doesn't show up
I bought a Feather M0 basic from Amazon here. I installed all the board definitions and stuff from here I restarted the IDE and when I plugged it in, the Feather doesn't show up in ports or device ...
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0
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Arduino core libraries
We have worked with a company to design a custom board based on the Arduino Zero and have also had them do some programming for us.
In doing so, they have had to modify the following Arduino core ...
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0
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53
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Short Occuring Between Digital IO Pins on Arduino ZERO
I have a couple custom SAMD21 boards (similar to Arduino Zero) connected to a screen from which I am trying to read PWM screen touch signals.
The two boards are identical - same components and same ...
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1
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436
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Large(ish) strings failing to send over WiFi101 using WiFiServer
I've based a sketch off the vanilla WiFi101 server examples.
If I define a const char array like this:
const char HTML_index[] = "<html><head></head><body>test</body>&...
- 195
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0
answers
243
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TinyDuino RadioHead compile error with TinyZero
I have a stack of TinyDuino boards including
TinyZero and 433MHZ Long Range Radio TinyShield.
I previously has this processor and had no problem compiling the sketch
and uploading it.
With the ...
0
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1
answer
337
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Output clock signal on MKRZERO
I have to port a Project written for an Arduino Micro to an MKRZERO.
It communicates via UART with an IC and should also provide a clock signal.
The former code I have used is this:
#define ...
1
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1
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442
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How to change the FFT function of the Arduino Uno for the Arduino Zero?
#define LIN_OUT 1 // Include the resources for the linear output function
#define Adafruit_ZeroFFT 256 // Sets the ZeroFFT length to 256 points
#define MERR 10 // Number of error values to ...
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0
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The code does not produce the serial output
#include <Streaming.h>
#include <StopWatch.h>
#include <Albert.h>
#include "avdweb_AnalogReadFast.h"
const byte adcPin = A0;
void setup(void)
{
Serial.begin(9600);
while(!...
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1
answer
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Arduino Zero Compiling Issues for "Test-AnalogReadFast-SAM"
#include <Streaming.h>
#include "StopWatch.h"
#include <Albert.h>
#include "avdweb_AnalogReadFast.h"
const byte adcPin = A1;
void setup(void)
{ Serial.begin(9600);
while(!Serial);
...
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1
answer
215
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Can not find the download Zip button in the GitHub Page
I want to download a zip file for the following code from the GitHub. I am pretty new in the GitHub. Can anyone help me how to download the Zip folder for the following code from the GitHub library? I ...
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0
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279
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Arduino Zero AnalogReadFast Compiling Error
#include <Streaming.h>
#include <StopWatch.h>
#include <Albert.h>
#include "avdweb_AnalogReadFast.h"
const byte adcPin = A1;
void setup(void)
{ Serial.begin(9600);
while(!...
- 29
1
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1
answer
735
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Arduino MKR Zero problem with new UART comunication
I'm currently using an Arduino MKR Zero board and I need to add a new communication because the Serial1 on pins 13 and 14 is already used by another device.
I've followed this tutorial from Arduino ...
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1
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616
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Multiple I2C devices on Arduino
I'm design a custom PCB based around the Arduino Zero/Adafruit Feather M0. The plan is to use a few I2C devices. I just had a few questions about whether I've designed the board correctly.
You'll ...
4
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1
answer
4k
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Built-in capacitive touch detection with SAMD21 development board (Arduino Zero Compatible)
I bought this SAMD21 development board which shows up as an "Arduino/Genuino Zero (Native USB Port)" when plugged in. And I've successfully got a blink sketch running on it all good so far:
The ...
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2
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2k
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Arduino Zero timer setup
Where would I find information on how to configure the Arduino Zero's timers?
Because this...
// Timer stuff
// Set up the generic clock (GCLK4) used to clock timers
REG_GCLK_GENDIV = ...
- 133
5
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4
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4k
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Library to set internal analog gain of the Arduino?
My original question was if there is a library that covers the internal comparator and differential and gain modes for the Arduino Uno, Mega 2560, Leonardo, Due, Zero, M0.
The answer is obvious: "No". ...
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1
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692
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Run program from SRAM on SAMD21?
I am looking for an example of how to load a program from sd card to SRAM and execute it from there on the SAMD21.
I understand that the given MCU use the Von Neumann architecture and all code is ...
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1
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794
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Arduino Zero - Stepper control (interrupt)?
I have a stepper controller board that I need to pulse every 40 uS or so.
I also have I2C sensors and Serial writes to preform.
Currently I run an update call in a tight loop, but the I2C sensors ...
- 133
1
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1
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1k
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Arduino Zero: Enable RTTI
I need dynamic casts for my project, I'm getting:
error: 'dynamic_cast' not permitted with -fno-rtti
It appears that RTTI (run-time type information) is disabled with the fno-rtti compiler flag.
...
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