I saw that the app_timer uses the SWI0. Could you explain what it does and what the advantage is compared to "timer_list_handler_sched()" calling "timer_list_handler()" directly...
Hi, I used the sample code "Master Emulator->2.1.7.8226->Example code->nRFUart"
to develop a new project, and encounter some questions...
we update nRF6310...
Hello,
How many RX buffers are in S110 SoftDevice? I know there are 6 TX buffers (so you can send 6 packets per Connection Interval).
How is it on receiving?
Is it e...
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...
I am adding a new module with some new parameters that I export as service on BLE and I want to store in flash using FDS.
Starting from scratch, so installing the fw using...
Hi,
I am working with nrf52-ble-app-uart-relay example from Nordic Playground github. I use SES IDE & nRF5_SDK_16.0.0. There is BLE event forwarding in ble_evt_handler(...
I am using SDK 16 for nRF52840 with soft device S140.
1. I am interested in using mqtt over lwip on IPV4. Available example is for IPV6. though headers of IPv4 exist (\external...
Hi there, Please, if someone can help me (or let me know of other people answered questions), I have multiple questions regarding Nordic's SDK 16.0. My board is nRF DK for...
Due to the covid-19 virus, my school project changed a lot. The new project is the following: "Study the latency between sending and receiving data from a device generating...
Hi, regarding a nRF24LU1, we are developing a system composed by 4-5 sensors (eachone based on nRF24L01) that send acquired values to a single nRF24LU1 receiver connected...
Hello,
I am trying to drive a custom display with the QSPI driver on the NRF52840.
Is there a way to disable the memory addressing on the QSPI driver and just write out...
What's the recommended way to manage cloud credentials on the device? Right now we're storing hard-coded username/password for testing but obviously this is not acceptable...
Hi,
We have a stability issue with nRF52840 DK after it has been upgraded to JLink DLL version V6.60e and firmware OB-SAM3U128-V2-NordicSemi compiled Jan 7 2019 14:07:15...
I have been looking into using Bluetooth Low Energy 5 advertising features like periodic advertising and advertisement chaining, but have not been able to have any luck with...
hello
we want to connect FPGA to 52840 using QSPI interface for data transfer, 52840 used as master, and FPGA as slaver. so we use write opcode PP4O for 4 lines writing...
Hello,
I want to read two files from SD card using nRF9160dk. I tried this code ncs/zephyr/samples/subsys/fs/fat_fs.
The Code:
I am getting the following error:
...
I need FreeRTOS operation in my build. I've adopted the FreeRTOS.h file from the blinky_freertos example, unchanged aside from a larger heap size and setting INCLUDE_xSemaphoreGetMutexHolder...
Hi all,
I have the nRF51822 chip and I want to acquire external sensor (i.e. pressure, temperature) and send the information via bluetooth.
I need to configure the I/O...
Hi
I using nRF52840-DK with 64 Mb external flash memory.
I'm using SPI interface for read / write command with the external flash.
When I'm using single command for...
