Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
Hi,
I'm using SES v4.52b, a nRF52832 module (BL652) and nRF5 SDK 16.0.0. I'm trying to build a generic SPI Read and Write functions with the following:
The device I...
Hi there,
I am in the process of developing a custom PCB using the nRF52833 SoC. This board is quite simple, and doesn't use many of the pins of the nRF52833 SoC.
I am...
nRF5_SDK_16.0.0_98a08e2\examples\peripheral\uart. In the SDK 16 ,UART example,why the legacy driver nrf_drv_uart.c is used instead of the sdk recommended nrfx_uart.c.
Secondly...
hello,
I'm using SDK 16.0 with nrf52832, for storing some information iam using flash storage, during initialization, we are giving a starting and ending address to flash...
Hi friend,
We have a project with BLE connection. It sends out the Manchester data and the data modulates with 125KHz. Can we use PWM to do that? Will the data format be...
My platform is SDK16 with softdevice, MCU nRF52840. I used 2 pin to generate PWM at 125KHz for Manchester coding. I want them are at different pin polarity. For example, if...
Hi all,
I am working with the nRF52 dev kit and the ecg sensor MAX30003. Using MBED to develop firmware.
I am using this library and the example code from maxim ( https...
Hello,
I need to develop an application for nRF51822 that uses SoftDevice 110 v8.0.0 using SDK 12.3 and extend it to use buttonless DFU for the legacy DFU bootloader of...
Hi, support team
I need to realize two-wire uarte receiver(with low power), in the scenario there is no data come from TX in most time, so after receiving the data I need...
SDK: 15.3.0
BOARD: custom nRF52840 pre-product
Hi, I want to implement usb dfu trigger library.
but, faced with a problem.
My project are started from usb cli...
cli_agent_router and multi_sensor example with nRF5_SDK_for_Thread_and_Zigbee_v4.1.0 nrf52840
problem: The coordinator restarts occasionally, and the zed cannot rejoin until...
Hello,
I am trying to configure the SAADC for the NRF52810. I read that I have to enable it via the sdk_config.h. Here I find an entry for:
NRFX_SAADC_ENABLED - nrfx_saadc...
I have two related questions about nRF52 (nrf52832) which I have not been able to pinpoint from the documentation.
Can the 32MHz crystal connection be replaced by...
Hi. I’ve developed a custom device based on nRF9160 and now have a problem of fixing GPS signal. With the same antenna and same conditions sometimes it takes up to 10 minutes...
