I have a project where we have 2 nrf51 that need to be time synced with eachother.
The problem is they are placed on the body one on the back and one on the chest of a person...
on the page
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fsdk_nrf5_v16.0.0%2Flib_crypto_backend_micro_ecc.html&anchor=lib_crypto_backend_micro_ecc_install
step...
Hi,
In our one of the product we are using Nordic nRF52840 MCU and we compiling this application code in windows with SEGGER Embedded STUDIO IDE Version 4.30a and Tool chain...
Hi,
We made an online course on Bluetooth Low Energy, includes BLE Fundamentals & Architecture, step by step implementation of Environment Sensing service development...
Hello, I am using nRF9160 PCA10090 DK. I want to make my board as central device and scan for all nearby BLE devices and display its rrsi value and device id on a terminal...
Hi Dears,
I have submit a issue for about two weeks but no response yet, would you please help me for handling it?
The link is https://devzone.nordicsemi.com/f/nordic...
It's really really really annoying that the DevZone contains so much outdated infomations and deadlinks .. especially after moving to the new website !!! :-(
Hi
I have a custom board with no external crystal. Using S130 works fine, but I want to enhance communication with some data being sent over ESB using timeslot API.
...
My English is still poor, but I hope you can understand me.
Press the button to call ble_advertising_start(), which may occasionally restart main.
I set a short timeout...
I am using the FreeRTOS port included in a nRF52832 with nRF5 v11.0.0 + s132. From main() I create a task and I pass it some input data as argument. That data is encapsulated...
Hi,
I am struggling with I2S. While I was debugging my I2S data handler function, I found something interesting. I copy one element from a uint32 buffer into a (static...
Hello all!
Simple question: What is a SNR value for BT LE? I read 20 dB are OK, but I would like some sources/informations to back this number up.
Thanks!
Cheers...
I am using a custom nrf51822 board and S130.
I am trying to pull data from a sensor over SPI and then immediately send that data over SPIS to another processor. Is this...
While trying to implement a simple qdec demo application, I find that QDEC_SAMPLEPER_SAMPLEPER_512us above works ok, yet QDEC_SAMPLEPER_SAMPLEPER_256us does not work at all...
I have a case where I'm using a timer/counter as a counter with one PPI channel routing a GPIO rising edge to the COUNT task. Another GPIO rising event controls the counting...
I have an nRF52 paired to a central device. In order to delete the pairing on the nRF52 I clear the persistent data (dm_init_param_t).
I notice, however, that even though...
Hi all,
I'm a grad student trying to innovate on the BLE concept. I require a continuous signal as a source: preferably unmodulated, but a long duty cycle could also work...
The NRF52 product specification (aka, datasheet) has 3 chapters in it all relating to TWI: TWI (chapter 49), TWIM (chapter 33), and TWIS (chapter 34).
Which section (TWI...
Hi,
I'm trying to interface SIM808 with nrf51822 over uart using nrf_drv_uart. Everything works well for some time, but then uart starts reporting error code 1, NRF_UART_ERROR_PARITY_MASK...
Hello,
I am working with the GPIOTE library to get a GPIOTE_IRQ from a peripheral.
I have several questions regarding the library and how IRQ works.
1.How do I clear...
Hello,
I am using SDK7.1.0 for NRF51822.
In my subroutine, I would like to disconnect with the peer device, and re-advertise. But when after re-advertising, I found the...
