Hi, I'm developing a keyboard-pcb with NRF52840. I'm doing this as a hobby and are not that experienced with integrated circuits. Anyway, I designed and produced a pcb, but...
Hello,
in cases where the LTE signal strength is extremely low, we observed that the LwM2M /4/0/2 RSRP rolls over from -128 to 127. We found that the nRF Connect SDK uses...
The at command documentation says that ENVEVAL is only available in system mode 2 (CFUN=2). Is there a reason why the command can't be run in any other mode? For example if...
I recently completed a field-upgrade path from an nRF5 SDK 17.1 application (with the legacy Secure DFU bootloader) to a fresh NCS-based firmware stack, while preserving user...
Hi, I am trying to understand the Friend and LPN behaviour. For that I am refering to nRF sample application light" and "light_switch". Below is the setup details: 1. On one...
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))? ...
