Questions tagged [mkr-gsm-1400]
The mkr-gsm-1400 tag has no usage guidance.
9
questions
1
vote
0answers
19 views
Arduino MKR1400 HTTP requests fail
I am using a MKR1400 with an activated Arduino SIM and trying to set up a basic HTTP SSL connection over GSM. I'm using the example web client sketch found here: https://www.arduino.cc/en/Tutorial/...
1
vote
2answers
47 views
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....
0
votes
1answer
183 views
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 ...
0
votes
0answers
88 views
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 ...
1
vote
1answer
215 views
half duplex for Atmel SAMD21
I'm using Arduino MKR GSM 1400. I know this board uses Atmel SAMD21 and SAMD21 support half duplex (USART with full-duplex and single-wire half-duplex configuration). My question is, How Can I ...
1
vote
0answers
67 views
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 ?...
0
votes
1answer
244 views
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 ...
0
votes
2answers
603 views
Arduino MKR GSM 1400 SSL client example fails to connect
I am using the GsmSSLWebClient example which comes with the MKRGSM library.
The original example works just fine, I get the arduino ascii logo. But when I change the URL the arduino doesn't get any ...
1
vote
1answer
2k views
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 files:
...
