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...
[87] CPU: Unexpected wake from System ON Idle when using FPU
This anomaly applies to IC Rev. Rev 1, build codes QFAA-B00, QFAB-B00, CIAA-B00.
I have the PCA10040....
I made a custom board with the nRF52+SDK11.0.0+s132. The firmware is based on the ble_hrs example (modified to fit my board and modified the application, but the basic premise...
I want to change Variable state( 0->1 or 1->0) when I push the button.
I was searching for example relating to the GPIO.
but I did not find that i want.
Everything...
Hi,
What should i do after i load mesh app in " github.com/.../nRF51-ble-bcast-mesh" adress?i have two board
When i download the app,why doesnt advertising exist.i cant...
Hi,
I am working on an Eddystone application for broadcasting advertisement URL to both Android and iPhone devices using the nRF52DK with the latest SDK 12.2. I have read...
Hello,
our company wants to launch a new device using Bluetooth.
We use your chip and your Softdevice S110 v8.0.0, what Bluetooth licences are we required to pay, and...
Hi,
I am using SEGGER Embedded Studio 3.10h on OS X and SDK 12.1.0. I get this error
main.c:614: undefined reference to `ble_dis_init'
even though I have:
...
Hello,
We have found a bug in nrf_bootloader that can prevent the application from starting up properly.
In nrf_bootloader_app_start.c, the nrf_bootloader_app_start()...
I saw the example of Andriod nRF Master Control/Connect app triggering the FOTA for mbed platform without using any button. Unfortunately, I don't have Andriod device and...
during the pcb design of nrf52, is it compulsory to totally copy your reference pcb layout . since our case need to design a small size device, so i have to modify the pcb...
Hi,
I wanted to know whether Bluetooth 5.0 will ever be supported on the NRF51 series chips or we need to migrate from NRF51 to NRF52 in order to have Bluetooth 5.0 in...
hi,I have a issue about pairing.
anyone can tell me the process of pairing and binding ,how the event BLE_GAP_EVT_SEC_PARAMS_REQUEST generate;
Do you have same example about...
Hello,
I am developing a board, with nrf51422-qfaa chip. To match the antenna I'm using the BAL-NRF01D3 balun. I currently have problems with antenna not working and I'm...
I am running an appliction with S132 soft device, build on top of SDK 12.0.0. Problem is that the application sometimes stops running for ten seconds, or even more, when Bluetooth...
Hi all,
may be you can advice me on a solution.
I need to be able to wake up a system when one of the pins shows more than 1v and I also need to wake up system when...