Hello All,
We are using nrf52840 board interface with wiznet550i.
We try to implement mqtt tls 1.2.we get following errors..
I get certificate verification error -0x2700...
Hi,
i am using SDK v8 with softdevice v8,using master control panel pc application,added custom service and characteristics to application,problem is characteristics value...
There is the board mark on the chip like n51822CEAAD01350A0, where DO is Build code, 1350 is tracking code(YYMM), A0 is lot code.
My question is how can I get those codes...
I'm trying to debug a randomly occuring Hardfault. In trying to trace down the source I read the CPU registers use the Nordic hardfault_implementation.c which grabs the register...
Dear nordic employee
my purpose is send a data the length is from 150 to 273
when my server device send data by sd_ble_gatts_hvx（the send length is fixed 10 bytes） ...
Dear nordic employee：
The service I want to find is the sound service of the thing52 thingy sound service
I tried to modify the HRT_central_client project to find the...
Hello, boss, I used twi read/write data from others device, I find a strange problem, When in no-blocking mode, mainly loop use "sd_app_evt_wait" TWI can't write data to others...
Hi, all. I have been going through the mesh examples and have been able to do the light switching, dimming etc examples and have used the RTT as well as physical buttons to...
Hello everyone,
My problem is the next one :
I bought a Nema 17 stepper motor (this one : https://www.pololu.com/product/2267 ) and it’s driver (this one : https://www...
It appears to be an error in the function signature `sd_ble_gatts_hvx()`.
Since the call is made via software interrupt, the const qualifier is cast away regardless.
So...
I am trying to implement the HAL interface for USB devices in Mbed for the nRF52840. Mbed is currently on nRF SDK14.2 so I may not have all the most recent bug fixes for the...
Hi,
I would like to run a different LWM2M client other than leshan LWM2M. Could you please answer me following questions:
i) Can i run any other LWM2M client written in...
Hello,
To improve the performance of SAADC, I would like to isolate the SAADC from the bad effect of DC/DC and RF.
I assume that SAADC has some noise because of DC/DC...
SDK 15.2's scanning module tries to connect to advertising peers that pass filter criteria when the nrf_ble_scan_init_t connect_if_match field is set true even when the advertisement...
Hi Forum!
I have to understand NRF52 chip for my job! I used to work with STM32 before. It has "Interrupt" (e.g when I receive one byte via SPI, It generates one "SPI_Rx_Interrupt...
Hi, all. I would like some serious help. I have three nRF52840 boards and have been running all the examples from the blinky to light switch/dimming. I am, however, stuck...
Hi,
could you please explain me what nrf52840_peripherals library (located in nrfx folder) is actually doing and what do the numbers next to the definitions mean ?
I see...
Hello everybody, As part of the evaluation of the nrf52840, I have made range measurements. In the course of this I was also concerned with the question to what extent the...
hi,
I am compiling nrf52840 light switch sample code in an embedded studio, I am getting the error as extern "C" {: Invalid argument, how to get out of this
I just began working with the NRF52, using the SparkFun breakout board. I'm developing in Segger Embedded Studio. I am aware that there are drivers for this chip in the SDK...
