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Questions tagged [mkr1000]

The tag has no usage guidance.

0
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0answers
23 views

WiFi.getTime() is repeatedly failing (returning 0) - why?

My WiFi is working, but for some reason the WiFi.getTime() function on my MKR1000 is repeatedly failing and returning 0. It has worked before. This is happening across multiple Arduino programs. Any ...
0
votes
1answer
23 views

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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2answers
32 views

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
votes
1answer
75 views

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
votes
2answers
64 views

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
votes
2answers
39 views

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 ...
0
votes
1answer
73 views

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 ...
0
votes
1answer
87 views

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 ...
0
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0answers
40 views

Mini USB Host 2.0 and MKR1000

I have a MKR1000 board mounted on top of the MKRMotorCarrier and connected to an IMU Shield that uses GND-3V-SDA-SCL pins, which leaves the MKR1000 available with RX, DAC0/A0, SCK, MOSI, GND, TX, MISO,...
0
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0answers
44 views

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
vote
1answer
140 views

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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0answers
57 views

Arduino (MKR FOX) code not running if not uploaded (battery or USB powered)

I have an MKR FOX that turns a relay on/off depending on an ultrasonic sensor's value. The problem is, the code only works if I click "upload" on the Arduino IDE, meaning it doesn't work if I just ...
-1
votes
1answer
144 views

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
1answer
220 views

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
votes
1answer
33 views

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
1answer
59 views

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 ...
0
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0answers
174 views

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
votes
1answer
85 views

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
votes
2answers
220 views

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
1answer
491 views

Arduino MKR1000 and DHT11 not giving correct output for temperature and humidity

I've been trying to follow this tutorial to wire my Arduino MKR1000 to a DHT11 temperature and humidity sensor, but my output consists of either 0's or 255's for both values. I've tried several ...
0
votes
1answer
157 views

How to change IIC (I2C) clock rate on MKR1000

The IIC clock defaults to 100kb, need to increase it to ~200kb. I've tried: changing the constant TWI_CLOCK and rebuilding Wire.cpp calling initMasterWIRE(200000) after Wire.begin(). I'm using a ...
0
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0answers
152 views

BLE shields for Arduino MKR1000

I have a requirement of connecting a BLE shield to an Arduino MKR1000. The MKR1000 has an operational voltage of 3.3 V, are there any things to consider when selecting a BLE shield? If you have any ...
1
vote
1answer
253 views

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
1answer
291 views

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
2answers
1k views

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 ...
2
votes
1answer
489 views

Making two Arduinos/MKR1000 communicate

I am trying to create a project in my free time just for a bit of fun - it consists of two MKR1000 (one acting as a web server connected to one laptop, and the other acting as a web client connected ...
0
votes
1answer
252 views

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 ...
1
vote
0answers
410 views

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
votes
1answer
153 views

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();...
2
votes
0answers
296 views

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
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1answer
555 views

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
votes
3answers
588 views

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
votes
1answer
289 views

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 ...
2
votes
0answers
304 views

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" #...
0
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0answers
734 views

WebSocket Client for Arduino MKR1000

I use this code to start a websocket connection between Arduino mkr1000 and my API. I use the Echo websocket to make a quick test for it. But it always gives me Handshake failed. WiFi connected IP ...