Hi,
When creating and adding an characteristic to service, what the meaning and difference between these two variables:
attr_char_value.init_len
attr_char_value.max_len...
Hi all,
I have compiled the ble_app_hids_keyboard example for a nRF52832 on a Laird DVK-BL652 breakout board.
I have a tablet running android 5.1.1 and the nordic nRFConnect...
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...
Hi,
What is the meaning of "NRF_CLOCK_LFCLKSRC_RC_250_PPM_250MS_CALIBRATION"?
It means use the internal RC clock source, but what is the meaning of "250_PPM_250MS_CALIBRATION...
My application uses the WDT. In my application, I use a soft reset to enter the bootloader. Because the soft reset does not reset the WDT the program will reset while in the...
Hi, current i'm writing a program in nordic nrf51822 chip and I facing the problem of region RAM overflowed with stack after adding the BLE code as shown below :
//***...
I have a RFID application in which there is a Reader and a tag. The Reader reads the tag information once the tag is in the Reader's range. The tag is an active tag.
The...
I'm working with app_fifo_uart and I'm seeing that my event handler gets the event 'APP_UART_TX_EMPTY' repeatedly. Multiple times a second. Is there any reason for this? Can...
I am using my nrf51-DK with mBed for prototyping. I noticed recently, that the DK had stopped broadcasting a BLE service, so I followed instructions to update the firmware...
I was under the impression that HomeKit was an extension of the MFi Accessory Interface Specification, which relies on the iAP protocol to access additional functionality...
Hi, I'm trying to run the ble_app_uart_s132_pca10040 demo but I can't get it to work.
We're using Keil 5.17 and downloading the example from the pack installer.
The packs...
Hi,
I always see HardFault when I debug a float point code. But it can run smoothly in run-time.
Firstly, I use code Style-1.
float val
val = (int32_t)NRF_ADC->RESULT;...
Hi,
We decided to add NFC functionality to our nRF52 open source sensor beacon design, RuuviTag: http://ruuvi.com
I would like to ask your opinion about the antenna...
I'm quite new to the Bluetooth development in gereral...
I want to design a Hardware using the nRF51 Dongle as the reference Design.
The plan is to take the Altium Files...
Hello Nordic Team,
i've get my things working and i figured out how i can set service data and to display it in nRF Master Control.
Now i want to CHANGE my service data...
Hi,
I'm wondering if I'am able to direct advertise when I have established connection (edit: according to this established connection nrf5x is master (central role))? ...
Hello!
everyone:
I use nRF51822 UART Demo(ble_app_uart),test uart interrupt receive data, baudrate is 38400.
if start advertising ,rx loss data ,else rx receive data perfect...
