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 want to use UART to send and receive data, so I refer to ble_app_uart example to add the UART function to the ble_app_hrs_freertos, but I found it returns error...
Hello,
I am currently trying to get a slightly modified version of the blink example from zephyr to work on the nrf5340.
As you can see below, I am starting two threads...
I want to use the OTP register for production, but I don’t have permission to read the contents of the OTP register。
The following are my steps:
1.Allow the UICR area...
Hi,
I have a question regarding the nRF5340 Development Kit.
I use nRF5340 in the BLE Central role, I'm using a similar code like in the example central_bus.
Sometimes...
We have noticed that generating LE Secure keys [ nrf_ble_lesc_keypair_generate() ] takes 2.5s. That causes our external, 1s watchdog to trigger. Is there any way to improve...
Hello,
I was going to email my local FAE about this, but figured I would post it here for anyone else who may have the same/similar question. To preface, I have reviewed...
Hi,
Of late, I've been evaluating Zephyr in its support of the nrf5340. I've come across several deficiencies that need to be addressed:
1. All callbacks (for the most...
I have an application for NRF5340 which I was trying to add BLE HCI RPMSG into the network core. I went ahead adding the necessary build configuration in such a way I would...
Hi Team,
Recently, I am developing spi functions. There is a function that makes me confused --"nrfx_is_in_ram".
I am not clear that what types belong to RAM data. ...
The datasheet for the nRF52840 states, in section 5.3.6.7, what retained registers do and then, rather unhelpfully, states that details can be found in individual peripheral...
Ian currently using Nrf52840 development kit and SDK 4,0 fir the zigbee and the thread. SDK 4.0 is being used for the project due to some functions that are not present in...
Dear NCS experts,
When trying to debug in VSCode by hitting F5 (or Menu: Run->Start Debugging), compilation fails with: fatal error: zephyr.h: No such file or directory...
Hi,
We are facing a very long startup delay with nRF52840 and I would know if there are some possibilities to reduce it.
I have made some measurements in different configurations...
