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 all, to optimize the BOM and size of our device(Tag based on nRF51822), the external divider was replaced by software configuration to measure the battery voltage. In...
Hello,
I have seen, that the BLE MAC is increased by one, in dfu_transport_update_start() (dfu_transport_ble.c).
Can someone give me a short explanation, why this is done...
I have successfully compiled BLE application using tutorials provided on nordic website.
but when I start doing debugging for better understanding find out that I can not...
I configured the bootloader to preserve one page of data ( I configured #define DFU_APP_DATA_RESERVED 0x400 on the bootloader project
I also made the same thing with my...
Hey,
We got a problem when trying to figure out how to detect the custom services from Unity. We are trying to read data and afterwards to do some manipulations of objects...
I am trying to implement the following sequence, using SD s130 :
GATTS Queued Writes: Stack handled, one or more attributes require authorization (var #1)
First thing...
I started with programming my nrf52 dev kit board with the soft device (v2.0.0-7) programmed using nRFgo, and then bootloader (from dfu_dual_bank_ble example) programmed using...
setup, I have a 3.3 V battery divided down to the bandgap range using a 56k and 10k resistors, so the voltage at the ADC input is 3.3 * (10/66) = 0.5 V，but the fact is 0.498V...
When I run try to generate code for a simple Blood Pressure profile I get a run time error. I'm using Plugin 1.2 with Studio 1.0.2095. Any ideas on how to fix it?
1:25...
I'm putting out this scenario I don't understand, yet, to see if anyone else might have experienced the same thing.
I have a demo with a central and peripheral that bond...
Best Regards,
while messing around with nRF51822 S130, timeslot API and nRF Master Control Panel, we noticed that:
Issue : if a packet is formatted correctly, but the...
Best Regards,
I am developing a firmware version for nrf51822 based on Softdevice S130 (old v8.1) and Timeslot API.
Currently, I can freely transmit and receive packets...
I'm using the NUS service for a sensor design. It was working fine for me. I don't know what is changed, but I experiences the next problem.
When I connect my sensor using...
What is the RF Connector on NRF52 Preview DK? It looks like U.FL/IPEX/MHF but it does not have the central pin. I want to find a converter to SMA. Could you please suggest...
Hello,
I am currently working on a hard metal project involving Nordic product with Bluetooth.
I have to implement Bluetooth Smart for a bare metal project and I've already...
