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 there
Is there any PCA10040 simple demo IAR project? Just like print out "hello world" from any debugging uart? Base on this I can add in more functions gradually. ...
I am using clock signal from external RTC chip to clock NRF52832 at 32768 Hz through XL1 leaving XL2 floating. I have verified the waveform by the oscilloscope and set SRC...
2.4g ble work in 2 mode(not same time) when reset.
when I init 2.4g clock
void esb_clocks_start( void )
{
NRF_CLOCK->EVENTS_HFCLKSTARTED = 0;
NRF_CLOCK->TASKS_HFCLKSTART...
Hello everyone!
I have peripheral device with notify characteristic with 20 bytes length of value and connection time interval - 7.5 ms. So, I want to increase throughput...
Hi,
from the nRF52840's datasheet: Up to 4x SPI masters/3x SPI slaves with EasyDMA .
Is it possible to connect the nRF52840 as a slave with another microcontroller and simultaneously...
Hello,
do I need to do anything to accept new Connection Parameters as a Peripheral when the Central updates them?
I am seeing 'BLE_GAP_EVT_CONN_PARAM_UPDATE' events,...
Hi, guys.
I am meeting a terrible problem when using the SDK14.2 -> BLE\nRF5_SDK_14.2.0_17b948a1\examples\ble_central_and_peripheral
experimental\ble_app_hrs_rscs_relay...
HI,
I am using nrf52 with other mcu and sending scanned beacon to that mcu.
I have set baud rate to 921600 and transmitting data when mcu request.
when mcu request...
Hi,
We am using sdk 12.2.2 and nrf52. We are observing some strange behavior of chip. We have our own customized board.
The issue is mac address shown is different in...
Hi there,
I'm using a PCA10040 board, and the app that I am working on was originally built in SDK 11.0. I'm trying to send a stream of arbitrary bytes over USB using the...
Hello.
I am trying to download a program, but I get this error.
Beacon does not work when downloading in order of Application -> SoftDevice as indicated by the error...
Hello,
In the blinky project, I have added the following peripherals to build up an application
Timer
UART
SAADC
PPI
I have followed the saadc peripheral...
Hi, I want to use the components directory that comes with the SDK as much as possible isntead of the "packs" which comes with keil.
This is what I've selected in a project...
i have two tablets and one peripheral.Now with the code i have i connect to only one device .if i want to connect to same peripheral with another tablet i have to remove the...
Hello:
I have used the nrf52832 .when the radio have get a packet and disable the radio.I find the "NRF_RADIO->CRCSTATUS" register is "1" ,why?how "NRF_RADIO->CRCSTATUS"...
