My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
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...
