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...
The design I am working with has no RTC. Is it possible to use nrf_drv_timer to "wake up" the CPU? I understand I will not be able to use app_timer code, so I was trying to...
Hello,
I am trying to use an interupt from an analog devices ADXL343 accelerometer.
With a power supply of 3.0V to my board, I only get a 2.1V on the interrupt, and I...
Hello! What does the real marking of the nRF24L01 + chip look like? I have not such, but very similar. The problem is that the module after a while ceases to go to sleep,...
I am using a STlink to flash a nrf51822 module , and i am using Keil to do that, i flashed the module but when i am scanning it to find it in my mobile i cant find it, i doesn...
Hi ,
Does the Application update depend on bootloader version? . I changed the boot loader but application remains same on my device , hence the device is not booting up...
I have an application with three other tasks beside the sdh task. I'm trying to integrate softdevice to my existing freertos application, but soon after the task scheduler...
Hi,
What would be the procedure for updating the firmware of device through another host micro controller UART? (Not with PC tools like nrf go studio, nrf connect, nrf jprog...
Sir,
I have a MDBT50Q-UFL evaluation board. I am using Keil uVision 5 and flashing is done through ST-Link. I downloaded the example files from http://developer.nordicsemi...
Hi,
I have Ublox EVK-NINA-B3 on table, which has totally different pin layout than NRF52 DK (not sure why): https://www.u-blox.com/sites/default/files/EVK-NINA-B3_UserGuide_...
Hello everyone! I am a beginner and I need help in understanding advertising data. I am migrationg from SDK 13 to SDK 15.2. In SDK 13, the advertising data with manufacturer...
Dear Engineer,
work on sdk15.2, pca10040 eavl board. one as central run this code
\nRF5_SDK_15.2.0_9412b96\nRF5_SDK_15.2.0_9412b96\examples\ble_central\ble_app_multilink_central...
I am starter developer of nRF51822 custom board.
in this board 16 mhz crystal is connected externally with XC1 and XC2 pins(37 & 38)
nRF5_SDK_12.1.0_0d23e2a rar file is...
Hello everyone,
I know that there are many similiar questions on the DevZone but i am not able to get it work and i dont uderstand it yet.
For example: https://devzone...
(Mesh_v2.11, SDK_15.0.0, NRF52832)
Hello,
I wonder if a device can relay DFU packets even though mesh_relay is disabled by nrf_mesh_opt_set(NRF_MESH_OPT_NET_RELAY_ENABLE...
I am trying to set up the nrf52840 dongle on IAR using an I-jet for debugging. I have iar version 8.32.1. I am using example project ble_app_blinky from the ble_peripheral...