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 nrf51 running as a peripheral and an iphone app as central. It works OK when I first use the iphone app to connect to nrf51. Then I quit the iphone app and let...
Application data is stored just before the bootloader. If I do a DFU upgrade with a larger bootloader than the one currently flashed, is this taken care of? That is, is the...
i am using keil mdk5 and i want to use nrf51822.please tell me which software i need for this and which sdk i have to download for this.i am currently troubling with doing...
I'm facing problem while program custom board. I'm using nrf51822 module( link ) & j-link EDU 9.3 version. I think there is some connection issue. Here is my connection
...
Is there any reason why no error is returned when app_fifo_get() fails in app_uart_put() (SDK 12.0.0). Couldn't the lines below:
if (app_fifo_get(&m_tx_fifo, tx_buffer...
Hello,
I'm facing some problems when trying to migrate from secure dfu debug to release mode.
I set the nrf_log to use uart instead of rtt in both debug and release...
Hello.
We are building our project based on nRF52 chip and BLE beacon firmware. Do you know if we need to buy some MAC address range from "provider" or we can code some...
Hi I know i have just asked this question 2 days ago.
and it works 2 days ago.
Thanks to Terje Schjelderup, he solved my last similar question, and kindly reply my problem...
I've tried to use stdlib's random generate function.
and as usally all of the basic C language's random generate functions does, I've used srand with Seed based random...
Hi...
See my advertise_init function to add custom 128-bit UUID.As seen in the answer of this post devzone.nordicsemi.com/.../ i have changed uuid_type but still receiving...
i am using sdk 13.0.0 for nrf52840 running on IAR compiler. I am trying to create new project for AES but i am getting error as no definition for :
Error[Li005]: no definition...
Hi,
I am working on an application which sometimes needs to send a buffer of a couple of KB to a connected smartphone using the nordic uart service.
The function used...
Hello all,
I'm currently modifying my Analog Input circuit schematics to improve precision.
I'm adding after my voltage divider, an opamp as a voltage follower to ensure...
