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...
I'm trying to download nrf5 sdk 11.0.0 version but I can only find version 13 and 12 in the nordicsemi.com. I really need sdk 11.0.0 because some of my sdk 11.0.0 files which...
Hi I am using Jlink board(v9.3), when connected to my pc (window 7), I can't select nRF5x programming.
nRFgo studio version I am using is 1.20.0.2. I tried uninstalling and...
I am using the following code during stack initialization:
// Register with the SoftDevice handler module for BLE events.
err_code = softdevice_ble_evt_handler_set(ble_evt_dispatch...
Hi,
I migrate my code to FreeRTOS environment.
I use SDK12.2.0 ble_hrs_freertos code example as a startup project.
My question is how i need to init gpite?I receive...
Hi I am using Jlink board, when connected to my pc, I can't select nRF5x programming.
Version I am using is 1.20.0.2. I tried the uninstalling everything and installing....
I have been able to get all the MPU based projects to work from this Github site (which has been very helpful!) with the exception of this one.
The accelerometer values...
For a device that has APPROTECT enabled, it is required to use nrfjprog --recover to re-enable access.
What is the mechanism that nrfjprog uses to perform the --recover...
With the nRF52, is the RTT functional when APPROTECT is enabled?
I would expect not since the RTT relies on memory accesses which should be disabled with APPROTECT
Hi,
In SDK11, it was possible to call app_sched_execute() from a function that was itself called from the scheduler:
void app_sched_execute(void)
{
void * p_event_data;...
If you dont have an external 32Khz crystal for the nRF52832, besides the higher power consumption, are there any other issues ? e.g. CPU starvation affecting my app during...
Hi all,
I work with a nrf52, my project send and receive Beacon data.
when i work only with 2 card all works fine but when there are several transmitter and 1 receiver...
I've got an nRF52 application which is based on the nRF OpenMesh github.com/.../ but has been vastly customised. The application either acts as a mesh device and allows a...
As the title，I recently want to use nRF51822 to communicate with SmartCard in ISO7816 interface. but I don't know how to do this.Can anyone share the example code online ...
Hello,
I am using the nrf sniffer from adafruit to pick up ble packets from my NRF52. Everything has been working fine for the past 3-4 months. Yesterday I wanted to test...
