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...
I am using the gazell protocol of nrf52840 to achieve some functions,but I don't know how to understand the protocol code deeply,anybody has advice or flow chart or relevant...
I want to implement noise sensor based on PDM (pulse density modulation) , But I cant found any PDM driver or API based on Zephyr , I used MP34DT05(st semi-conductor).
So...
I have nrf52832 radios communicating with each other 100%. I have a nrf24l01p that is the 'gateway' to which the nrf52832 sends dump data. I can communicate with nrf24 and...
When i start the nRF mesh app, it crashes immediatly. What do i need to do? I re installed it a couple times and i rebooted my phone a couple times.
The phone is a samsung...
Hi,
I am developing firmware both nrf52 and nrf91.
in nrf52, I activated BLE, usb and uart. Uart communication established between nrf52 and nrf91.
in nrf91, I activated...
Hello, I have done customized board using nRF52832 and when I try to flash code using nRF52 DK(Jtag). I can able to control led's using customized board. But Bluetooth is...
I am using the gazell protocol of nrf52840,how to use broadcast radio mode from host to device based on the gazell protocol ?or can I use the gazell protocol to make it possible...
We have an neural network running on a 52832 using the floating point unit. We started encountering FPU exceptions so we enabled the FPU IRQ to identify which specific instructions...
Hi everyone,
I want to create multiple USB instances using only one nRF52840 dongle. I want to implement one CDC ACM class instance and another one instance that has two...
Hi,
I have a problem with floating point types on nrf9160.
I get an exception when I get to a simple floating point assinment:
void f(int i)
{
float x;
x = (float...
Hi everyone!
I'm new using Nordic Semiconductor products, I have a Nordic Thingy 91 running Asset Tracker application by default.
I want to test only specific things first...
I was thinking of using the nordic thingy:91 for monitoring purposes in seismic areas.
To this aim, I would need to have some sensors deployed in the environment which:...
Hi,
I need to use nrf_dfu_settings.c to detect external firmware in Bank 1 during application boot. I also need to use Falsh Data Storage to save application parameters...
Hi All,
I'm working from the Thread CLI example, and I got a network of multiple thread devices that works just fine (they see each other, and can send/receive messages...