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.
56 questions
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Can i make this circuit smaller?
I have an external device and I need to detect voltage high/low on two wires. The high=12v, low=0v. I am using an Arduino Zero (3.3v). I am thinking of using A1 and A2 connected as follows...
link ...
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2
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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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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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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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2
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1
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223
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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 ...
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274
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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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0
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118
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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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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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1
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415
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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, ...
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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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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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1
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434
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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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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. ...
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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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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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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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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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1
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510
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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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1
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388
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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 ...
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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
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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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1
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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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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 reason ...
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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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0
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1
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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 ...
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