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,
Could I get clarification on if the USB peripheral is isolated and won't backfeed?
In my product, VDDH & VDD are powered via a DC adapter that can be unplugged while...
Hello,
I continue to deal with Zigbee and I have another question. I use 2 nRF52840 chips. First nRF as a Zigbee Coordinator (CLI in SDK\examples\zigbee\experimental\cli...
Hi Team,
We are planning for use the NRF52832 Module for our development, In that for Secure data storage exchange we are implemented the some of the crypto mechanisms...
Hello,
When operating the Thingy91 in poor network connectivity environments, the call to getaddrinfo will sometimes block and eventually timeout returning a error code...
Hello,
I am using the nRF52840_DevKit and SDK-v16.0.0. I am planning to build and flash a bootloader with NRF_BL_DEBUG_PORT_DISABLE set to 1, which means APPROTECT and...
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...
