why use 50ms and 400ms connection interval for testing the maximum data throughput(2M,247byte payload)?
Because 50ms can only send a pdu , and 400ms can send up to 8 pdu...
Hi,
I am using Keil IDE to develop nRF51822 project.
in main(), the command line
APP_SCHED_INIT(APP_SCHED_MAX_EVT_SIZE, APP_SCHED_QUEUE_SIZE);
has Error : L6218E...
Hello,
I'm new to the Nordic SDK and I would like to ask you for help with implementation of PORT events for revision < 3 in "low power" mode instead of "high power" mode...
Hi Nordic,
I've built a ble app with a custom protocol, but am struggling with storing bonds, when running under freeRtos.
What I see:
central app crashes (hardfault...
Hello All,
I am new to this forum, I have been using nRF51822 for a while, and its a great little BLE chip. I am usinga BLE keyboard to send a key to iphone and I captured...
I WANT COMMUNICATION BETWEEN A NRF51422 AND NRF528321 BOARDS, IN WHICH IN NRF51422 BOARD I WILL MEASURE PWM COUNT(IT IS PHERIPHERAL) AND SEND IT TO NRF528321 BOARD WHICH IS...
Hi,
I've been working on a way to detect and prevent replay attacks when beacons are used for sensor data. This is mostly used for home automation sensors, where I have BLE...
Hi everybody,
I'm trying to hide some characteristics till the user write the right value to a secure pin characteristic the devise exposes at the beginning.
I already...
i tried add ancs to my project based on s132 ble_app_hrs demo, when i use iphone6 to connect, the uart display as follow,but when i receive a message or a call, the software...
i have an external nrf51422 module, and i can to erase it using nrfgo studio by nrf51 DK, but i can't program it with nrfgo studio , or by keil .
and i can't open the program...
Trying to get the debugger working with Eclipse on SDK 12.2 using the nrf52832. Using the ble_app_hrs example, I can flash the application and the "Nordic HRM" device shows...
Hi guys,
I am experimeting using the experimental_bootloader_secure_serial
example, but I am not having luck with the example code. I tried using the
BLE secure bootloader...
Dear Engineers!
have a questions about the Input circuit of nRF52.
I have to monitor the signal LEVEL from some sensor. The signal can be Positive or Negative current...
Hi,
I have a board with a NRF52 (3rd party board), there is a 32MHz crystal with the correct load capacitors on, but the crystal is outputting 1MHz on a scope (Tektronix...
Hi,
I'd like to output some audio data through i2s. It's quite easy to understand your examples provided on infocenter, however, I can't get my code to work.
Here is...
Hi all, I'm working on sdk11.0.0 and s130 softdevice. In my project I need to take data from sensor board through uart and send to mobile through ble for every 500ms. Sensor...
Hi guys
I want connect nrf51822 (Raytac MDBT40) by my phone(HTC battery one android 4.4.2).
I use softdevice 130(ver.2.0.0) and SDK 11 demo code under KEIL ARM 5.
...
when i run sudo nrfutil dfu serial -pkg my_package.zip -p/dev/ttyACM0 i get the following error:
pc_ble_driver_py.exceptions.NordicSemiException: Failed to send init packet...
Hi
I am working with mbed targetting for ReadbearLab Ble Nano. I am trying to encrypt payload before sendind it with:
include "nrf_ecb.h"
...
int main(void)
{
...
Hi, i'm using keil and i would like to run the fpu_fft example to perform a fft. The example works if I set 128 or 256 as number of input vector data as you can see in the...