Questions tagged [mkr-gsm-1400]
16 questions
2
votes
0 answers
Can't Send Text Messages Using TinyGSM Module, but it works if I do it manually using the ESP-IDF Environment - Sim7600
I am using the following device: https://www.aliexpress.com/item/1005003152097545.html?spm=a2g0o.order_list.order_list_main.119.222218028PapM6
I am trying to make an IoT sound-measurer which will send an SMS, once a sound above a certain threshold…
BurgerMan
- 31
- 2
2
votes
0 answers
Arduino crashing during serial print
I am trying to determine why my Arduino MKR NB 1500 code keeps crashing when the serial monitor is open and I look for data. I removed the string functions to prevent it from causing memory fragmentation, but does not seems to have helped.
#include…
Dave
- 69
- 7
2
votes
1 answer
Arduino MKR GSM 1400: Can I tell from code if the power has tripped
Is there a way to tell if an Arduino MKR GSM 1400 has lost power and has to rely on the connected battery?
Ideally, I'd like to do this without adding additional circuitry. Alternatively, can I connect VIn to an analogue input pin?
On the schematic,…
Gineer
- 135
- 4
1
vote
0 answers
Secure upload to ThingSpeak with Arduino MKR GSM 1400 using GSMSSLCLient
I have an issue when trying to upload sensor data to ThingSpeak using the GSMSSLClient with the Arduino MKR GSM 1400 over MQTT. Each time I attempt to establish an MQTT connection, the state is always -2. Below is the relevant sections of my code to…
arnold7800x3D
- 11
- 2
1
vote
0 answers
How to update root certificate(s) on Arduino MKR GSM 1400 (SARA-U201 basically) in order to be able to connect to GCP MQTT?
I wish to upload measurement data to Google Cloud Platform IoT Core with Arduino MKR GSM 1400. I have…
Balazs Bornyasz
- 11
- 1
1
vote
0 answers
Low power microcontroller with gprs/gsm and maybe gps on board
Good day to ya all. I have a general question and a potential problem to solve.
My plan is to make a device which will work on 2 li-ion batteries. The purpose of this board is to take data from 3/4 sensors and send them via gprs to a server.( it…
srdjan subotic
- 11
- 1
1
vote
0 answers
Power Arduino MKR GSM 1400 via VIN
I am working on a project with Arduino MKR 1400 GSM and I would like to power the arduino board using an external power source…
sud.ng7
- 31
- 5
1
vote
1 answer
How to send AT commands to the ubox modem on MKR NB 1500
I am trying to send AT commands to the modem to keep the modem always active. I tried the File > Examples > MKRNB > Tools > SerialSarapassThrough example, but that gave me a +CME ERROR: operation not supported. Here is the output for the commands I…
Dave
- 69
- 7
1
vote
2 answers
MKR1400-how do I troubleshoot a POST request?
I'm successfully sending a GET request (in the setup function, to load certificates,) but my POST request fails with a bunch of AT errors. I suspect this has to do with the way I'm formatting the POST. Any ideas would be appreciated.
Code…
Boris K
- 121
- 6
1
vote
2 answers
Half-duplex for Atmel SAMD21
I'm using an Arduino MKR GSM 1400. I know this board uses the Atmel SAMD21 and the SAMD21 supports half-duplex (USART with full-duplex and single-wire half-duplex configuration). My question is, how can I configure one of the SERCOMs to use it as…
user3866081
- 15
- 3
1
vote
0 answers
Arduino MKR QoS 1 logging with ArduinoMqttClient
I am collecting data with Arduino MKR GSM 1400 and sending data to Azure Cloud (IOT HUB). Currently I use ArduinoMqttClient ArduinoMqttClient
My question is, how to ensure both parties accepted QoS1 ? Is there any logging (in serial monitor) to see…
salvq
- 11
- 2
1
vote
1 answer
Multiple definition error when linking firmware.elf
I just can't wrap my head around on how to properly work with multiple files. My code has been getting quite big so I decided to split all the classes into one file each. So I'm left with 6…
Cowboy_Patrick
- 174
- 1
- 16
0
votes
1 answer
How to check if the MQTT connection is still active?
I am wondering if there is a way to check and see if the MQTT connection is still active.
The reason for this is that I am having trouble with the connection dropping after a short while and not seeming to reconnect.
/*
ArduinoMqttClient - WiFi…
Kody Rogers
- 21
- 4
0
votes
0 answers
Triggering a Sleep Wake-up Event using analog output from a triple axis accelerometer?
I am working on a project that uses a Arduino MKR GSM 1400 and a ADXL335 Accelerometer . I am having trouble setting a interrupt wake up event on one of the GSM's interrupt-capable pin due to the analog nature of the ADXL335's output. The axis…
yurkoon
- 1
- 1
0
votes
1 answer
MKR GSM 1400 Works only when connected to computer
My MKR GSM 1400 works fine when connected to a computer (powered USB) and after opening a serial connection to it. It does not when I plug it into a power supply. My power supply is a 5V 3A with a USB adapter.
void setup() {
// put your setup…
Mike C.
- 103
- 3