Questions tagged [mkr1000]
The mkr1000 tag has no usage guidance.
47
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RTC problems after longer time periods
I'm using the MKR NB 1500 for server sending, an ENV shield for measuring the environment, and an external lithium battery to power the circuit. The internal RTC and WDT on the NB 1500 are used.
The ...
0
votes
3
answers
766
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Problem on Sending float number and multiple float numbers
Im having trouble in sending float number and multiple float numbers.
Im currently working on project matlab and arduino mkr1000. The situation is that i want to send float number and multiple float ...
1
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0
answers
36
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Issue displaying on Adafruit display when enabling GSM communication
I am trying to write to the adafruit display using Arduino MKR1500 when it is connected to the internet. The issue I am facing is when I add the code to connect to the cloud, the display stops working....
0
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1
answer
471
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Comparison of a string received from MQTT/Cloud/Arduino
I am trying to compare the string of data which I am receiving from the MQTT broker. If I receive the keyword faster I want to print "increase motor speed" and when I get slower keyword or ...
1
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0
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67
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Adafruit TFT 1.3 inch display with arduino-rotate the font
I am using Arduino MKR1500 with adafruit 1.3 inch display(https://www.adafruit.com/product/4313) and I want to rotate the font on the screen by 90 degree. I tried setRotation() and added an angle in ...
2
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0
answers
61
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Problem displaying data sent from Arduino Mega to Arduino Mrk1000 using serial communications
I've been doing a personal project.
The idea of the bigger project is to feed my fish using a robot.
My specific problem is that I would like to see some data from the various sensors that I will be ...
2
votes
1
answer
188
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Mkr1000 Wifi Configuration
Is there a package similar to esp8266 WifiManager that supports wifi configuration for Arduino mkr1000?
I have searched everywhere and I got nothing
1
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1
answer
266
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Asymmetric encryption on a Teensy?
I want to monitor an input and then send the information in an encrypted way that can't be easily unlocked even if a malicious actor gets access to the device itself. I'm new to using the Teensy ...
1
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2
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730
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Arduino MKR 10100 control DC Motor
Thank you for reading my post. I have been stuck on this for several weeks now! I am trying to turn ON/OFF a DC motor from Arduino IOT Cloud. I have set up the cloud and added the switch. Everything ...
0
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1
answer
254
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Powering a MKR with regulated 3.3v
I've a low power consumption regulator to get 3.3V from two 1.5V batteries.
I'm going to use it for powering an arduino MKR (MKRFOX1200), so my question is where I should connect it, to the battery ...
0
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2
answers
617
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Can I send data from one MKR1000 to another MKR1000
I want to simply send data from one MKR1000 to the other over wifi, both are connected to the same network, but sending the data is where I get stuck, I've looked through tuts everywhere but can't ...
1
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0
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152
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Multiple Interrupt Pins Generates Wrong Pulses
On MKR WAN 1300 board I added pulldown resistors to 0,1,4,5,6,7,8 pins to count pulses.I can catch interrupts, but sometimes pulses occur on other pins even though they are not touched. For example, ...
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0
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135
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MKR 1000 not found in ports when MKR IMU Shield is connected
I am trying to connect my MKR IMU Shield to my MKR1000 by placing the IMU shield in the MKR1000. When I do this, however, the Arduino IDE and Simulink are unable to find the port that my Arduino is ...
0
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1
answer
528
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How to use more than 2 I2S microphones on MKR Zero?
I am trying to build a portable device that can record from at least 3 microphones. I had a look and saw I2S is good for audio so I bought an Arduino MKR Zero to read them with. I was wondering how to ...
1
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0
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57
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MKR1000 disconnecting when hooked up to RGB 16x32 LED Matrix
This tutorial is from 2012, before the MKR1000 existed. The tutorial says the 16x32 LED Matrix panel is compatible with the Arduino Zero, which the MKR1000 is supposedly related to, so I'm thinking I ...
1
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0
answers
936
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Arduino with external Wi-Fi antenna?
I need to create a project where I need to send data via Wi-Fi using an Arduino.
I need the Arduino to have a U.FL connector to place an external Wi-Fi antenna (I can't use the MKR1000 with ...
0
votes
1
answer
432
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Is it possible to do an OTA update using a GitHub link
I need to be able to download software updates through the internet without having my MKR1000 plugged in. Either that or have new code being pushed from my server (C++) to my MKR1000, and then ...
1
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0
answers
98
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Can't connect to the server
I am working on a specific project that requires a database.
I have done the 'connection' and the "write" of data using a PHP file.
I have even reconfigured everything so it would be possible to ...
0
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1
answer
1k
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MKR1000 and DS18B20 temperature sensor
I am new to Arduino and electronics in general and I can't get my MKR1000 to read correct data from a DS18B20 temperature sensor.
Here is the tutorial I followed.
The issue is: I always get the same ...
0
votes
1
answer
105
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Loops fail after ~5 minutes when making two API calls every 10 seconds using WiFi client
I am running into an issue with a loop call on an Arduino MKR1000. I have tried the solutions suggested in this question and it usually works for 5 minutes and then collapses. I am trying to make two ...
0
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2
answers
291
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How can I calculate approximate cycles per second from pulsed pin on Arduino MKR Zero?
The relevant tech specs for a MKR Zero are:
32.768 kHz (RTC*), 48 MHz
*Real-Time Clock
What I'm curious about is how I might do an approximate calculation of cycles per second from operations.
...
0
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1
answer
769
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Build an improved GSM antenna for arduino mkr gsm 1400
I want to use an Arduino MKR GSM 1400 in my area wich has a bad connectivity on mobile internet. On my phone it's very weak and if i drive to the next village it works sometimes on the arduino with ...
0
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4
answers
4k
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Use 5V SD-Adapter on 3.3V System
I want to use a Catalex Micro SD Card Adapter in Combination with my Arduino MKR GSM 1400. The problem is, that the Arduino uses 3.3V to operate but the SD Adapter needs 5V (or at least 4.5V) to ...
0
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2
answers
223
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Parse UNIX-time from char[]
I want to parse a large number to sync time on my arduino. For this i send it a string with the current time in Unix time format wich looks somethink like this:
1535441277
For this I just call a ...
2
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1
answer
865
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Use SD-Card module in combination with MKR GSM 1400
I have bought a SD Module with the following Pin-Names: VCC,GND,MOSO,MOSI,CS,SCK. I've found many tutorials on how to use it with the Arduino Uno. But haven't found any on how to wire it with the MKR ...
1
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1
answer
1k
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POST request on Arduino MKR1400 GSM not working
Im trying to send a POST request from the Arduino MKR1400 GSM board to a server with a database.
I've tested the server using Postman (https://www.getpostman.com/) and it handles the POST request ...
1
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0
answers
166
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Motor unexpectedly moving at reset
I'm playing with the standard L298N motor board and Arduino MKR 1000. However something strange happens: when I upload a new firmware and when I turn on the Arduino power supply (every time Arduino ...
1
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1
answer
731
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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 ...
-1
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1
answer
557
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Camera on mkr1000 or nodemcu 0.9
My question is: it is possible to connect camera on an Arduino/Genuino mkr1000 or to a NodeMCU 0.9?
If yes which one?
As far as I now ArduCam OV2640 has ported a library for ESP8266 (that is the ...
0
votes
1
answer
2k
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Arduino MKR1000 as Access Point
I want to turn my Arduino MKR1000 into an Access Point. My code is the following:
#include <SPI.h>
#include <WiFi101.h>
#define PubNub_BASE_CLIENT WiFiClient
#include <PubNub.h>
...
0
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1
answer
68
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MKR1000 - Connecting to Pubnub
I don't know if it's a stupid question but I need some help.
I am trying to follow this tutorial and I want to connect my arduino to PubNub. In the tutorial it says that I have to 'open PubNub.h and ...
0
votes
1
answer
148
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Changing outputs infinitely for no reason
Im a student and working on a arduino project for IoT competition and me and my team have built a house and I made this code below.
For some reason when I upload it to my Arduino MKR1000 it constantly ...
1
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0
answers
388
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just get my mkr1000 in macOS Sierra 10.13 and no way to connect
I have connected the device via USB, downloaded the latest version of Arduino IDE (1.8.5) installed (automatically offered) the drivers for the mkr, and there's nothing in the serial port selector ...
0
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1
answer
206
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How do I lower clock speed for MKR1000? [closed]
According to data sheets, the MKR1000 runs a SAMD21 Cortex-M0+ processor at 48 MHz. For a project I need to drop that down to 16MHz to get some accurate timing in us. How can I do this? Most of the ...
0
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2
answers
3k
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SSID was not declared in this scope
so I am new to arduino and coding in general, I am trying to use the arduino to remotely survey plants, I am using this guide: https://create.arduino.cc/projecthub/arduino/plant-communicator-7ea06f. ...
1
vote
1
answer
1k
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WiFiSSLClient will not connect to servers with LetsEncrypt certificates
I'm trying to send data from an Arduino program to an app running on Google App Engine but WiFiSSLClient.connect() always returns false.
This is despite
the server being up and running;
the code ...
2
votes
1
answer
632
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WiFi101 Client HTTP POST fails after 3rd request
I would really appreciate any help, my home project has been put on hold for weeks as I haven't been able to figure this out. In a nutshell, I'm connecting to my wifi network, measuring temperature ...
1
vote
2
answers
3k
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How to use multiple SPI slaves in MKR1000 if it doesn't have Slave Select (SS/CS) pin?
I'm using a Genuino MKR1000 and I want to use the SPI interface, which I've seen that there is no Slave Select (SS)/Chip Select(CS) pin usage.
How can I use the SPI interface with multiple slaves ...
1
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2
answers
1k
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Making two Arduinos/MKR1000s communicate
I am trying to create a project in my free time just for a bit of fun. It consists of two MKR1000s (one acting as a web server connected to one laptop, and the other acting as a web client connected ...
0
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2
answers
462
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How to control MKR1000 from outside your local network
I want to send an HTTP command to MKR1000 from outside my local network.
So far, all the googled resources point to getting the local IP (example 192.168.0.10) of MKR1000 and sending a command like ...
2
votes
0
answers
514
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How to attach Arduino MKR1000 to a shield meant for Arduino UNO?
I have an Arduino MKR1000 and need to interface it to an Adafruit Music Maker shield, which has pinouts for an Arduino UNO.
Maybe I'll have to attach female headers, and then jumper pins over.
Which ...
0
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1
answer
246
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where does access point's IP address come from for sketch AP_SimpleWebServer.ino in Github WiFi101 examples
I don't understand where the access point's IP comes from.
Sketch uses WiFi.beginAP( ssid ) ..to start the AP.
Then, printWifiStatus() gets the access point's IP with:
IPAddress ip = WiFi.localIP();...
3
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0
answers
339
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Is Arduino WiFi101 library fully compatible with Arduino MKR1000 with WiFi HW?
Will all the classes in this library work with the MKR1000 with wifi hardware?
The guide mentions "wifi shield".
So, does the library work exactly the same with the Arduino MKR100 (with the onboard ...
0
votes
1
answer
980
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Powering Down Arduino MKR1000
The MKR1000 is still pretty new and I'm having a hard time getting good information on it. I'm using the Arduino IDE but don't find any functions to sleep the MKR1000. Most libraries I encounter are ...
0
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3
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1k
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millis() function always returns same value
I'm trying to program an Arduino MKR1000 and I am using the millis() function to emulate a traditional timer. The problem is that any call to millis() inside the debounceTimer() function returns the ...
0
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1
answer
979
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WebSocket client for ArduinoHttpClient conditional if with readString() incoming data buffer
I'm having issues implementing a web socket on the Arduino/Genuino to procress a string received and do something respectively.
I'm using SimpleWebSocket example, edited for my purpose, from the ...
4
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0
answers
632
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Arduino WebSocket Client "Connection Failed"
I use this code to connect Arduino MKR1000 to API through Web Socket, but it didn't connect to the server.
Can any one help me to correct the code.
This is the Arduino code:
#include "Arduino.h"
#...