Hi guys,
In the iot sdk in mqtt.h there are typdefs for "mqtt_topic_t " and "mqtt_subscription_list_t".
I'm trying to set several topics (5) and subscribe to them.
...
Hi,
I am using nrf5832 that is running a coap server example.
I have modified it a little so it reads sensor data via i2c and returns the data using the coap callback.
...
Hi,
I would like to receive some suggestion about finding a CHEAP smartwatch / wristband already available that has these minimal features: BLE (with SDK / GATT profiles...
Compiled with Keil4 software compilation and C of the mixed program, the error is:Branch offset 0x00000228 out of range of 16-bit Thumb branch, but offset encodable in 32...
Hi,
I am currently working on a prototype with Silicon Labs Thunderboard sense. I am looking for a replacement product that has NRF BLE module. All I need is a BLE module...
I would like to hide BLE advertising from normal BLE devices.
And only be able to see such advertising with dedicated scanner.
I was thinking of changing access address...
Im making a project were i have two robots each one with a device connected with a mobile phone. But at same time i want that, when they are near each other they exchange...
Hello Nordic DevZone,
While trying to recover nrf52832 chip using command nrfjprog -f nrf52 --recover, I received the following error: Recovering device. This operation...
Hi ,
The following problem is happening in my case with old android devices. I found your answer from other thread.
"The phone first sends a LL_VERSION_IND and then it...
Now I use sdk15.2.0 hrs project to add the spim.
the mode of the spi is timer+ppi+spi.
question:1.I can't enter the led_timer_handler on time;2.I can't get the right data...
Dear All,
I am trying to use the external crystal as the source clock of the softdevice, as well as of the rtc. I am not sure if all this is possible and because I am...
Hello, I am trying to use PWM in the simple coap client example. Unfortunately the PWM is not working, I do not get any signal on the output pins. If I remove the line with...
I am currently involved with a project using the nrf52840. Page 96 of the Product Specification document (4413_417 v1.1) shows the electrical specifications for the HFXO....
Hi,
The datasheet of nRF52832 says operating temperature (TA) as -40 to 85DegC and storage temperature as -40 to 125DegC. Please confirm whether the IC can be operated beyond...
Hello,
I am working on nRF52832 having SDK 15.3.0, Windows 10 and Segger Studio IDE.
My query is, i want to restrict my nRF board connection to a particular custom application...
I am using Ubuntu 16.04. I have installed NRF CONNECT for desktop. Once I try to launch BLE app, it's loading forever. Can someone help me with this?
Here's the screenshot...
Hi there, in my project I use nrf52840 and coap server/client relationship so the question is can I receive multiple messages at the same time on the server? I found some...
I've searched the history of devzone and see there was already a similar question for different type of microcontroller and the answer was to contact representative of Nordic...
HI,
We are developing a 2d -3d mouse with nRF5_SDK_14.2.0_17b948a "ble_app_hids_mouse" application.
For knowing the battery discharge rate of our product we are trying...
Hi,
For my application I need to combine the NUS example with the aes crypto codes.
I am encountering lot of errors while doing so. I noticed that aes code has a lot of...
Hi All
I am considering nRF9160 (ARM Cortex M33). How can I trace the systems calls or instructions using ETM? Can I store the traces on the device (in a trace buffer) and...