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...
Hi,
I am working with the Red Bear BLE Nano 2 (nrf52832) and programming it in Arduino IDE .
I am trying to merge the BLE_HRM example with a TWI example to be able to...
Hey,
I have a problem with receiving data on my Android app.
I'm sending several data via Services & Notfication Characteristics from my NRF52840 Application to my Android...
hi,
I have some problems about pwm register.
1.NRF_PWM0->MODE
2.NRF_PWM0->COUNTERTOP
3.NRF_PWM0->LOOP
4.NRF_PWM0->DECODER
5.NRF_PWM0->SEQ[0].PTR
6.NRF_PWM0-...
I use rRF52832. After doing "Flash Tab -> Erase" of Keil's development environment, it became impossible to connect at all. I tried using nRF 5x Command Line Tools (nrfjprog...
I'm trying to port the _12.3.0_ DFU bootloader_secure example to my custom nrf51822 board.
The example can run perfectly on pca10028 board, but not on my 51822 board even...
Hi All,
I am developing an application on nRF52840 Preview DK which does not need the Soft device. But it needs the MBR to run a bootloader for Firmware update purpose....
Hi,
Now I am using nRF52382 to make a product which needs a accurate one second timing. Then I use the project "nRF5_SDK_15.0.0_a53641a\examples\peripheral\rtc" and "nRF5_SDK_15...
Hi there!
Device: nRF52 DK
App: nRF connect
Compiler/IDE: Segger Embedded studio
SDK version: 14.2
Soft device: s132
Problem description: I am trying to run blood...
Hi,
I am reading a BMX055 via I2C which consists of three sensors with three addresses.
I got the easyDMA running to read 10 times the gyro using the PPI and the data...
Hello,
my first question is about TX carrier frequency accuracy measurement. The equation given in the whtie papers is
(|f_measured - f_programmed|) / f_programmed <=...
Why is the event length of the BLE Central HRS demo set to such a high value of 320*1.25ms = 400ms?
The demo seems to work ok with the BLE Peripheral HRS demo using the...
Does the Battery Service Client (ble_bas_c) module handle subscribing to notifications from multiple slaves? In my use case, I have the nRF52840 dev kit connecting to multiple...
I need to keep track of time on a device featuring the nRF52 and have an RTC run continuously in the background. The drift should not be more than a few seconds over a year...
Hello I try to use P0.09 as GPIO with this simple code but not working. (Works well with pin P0.08)
#include <stdbool.h>
#include <stdint.h>
#include "nrf_delay.h"
#include...
