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...
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...
i have 3000 bytes of data placed in flash from 0x20000. i want to calculate hmac for the same data.First, can we calculate hmac for such huge data?If yes, then how can i calculate...
I'm using SD 110 and the PCA10001 board.
I make the call to:nrf_gpio_port_read(LED_1), where LED_1 is on, or high. This call always returns a 0. How can I read the state...
Hello!
I'm trying to advertise my custom service. After setting everything up, when calling ble_advertising_init I receive error 0x7.
static m_adv_uuids[] = {0x1523...
Hi,
I ported some SDK code into my device (SDK 10 adapted for S110v7x) where I can successfully Bond my device and use the Services I need (ANCS on my case). I have simplified...
Hello,
I have a project that I want to transfer it from nrf51 to nrf52 (the changes are from nrf51822 to nrf52832). I followed the migration guide. And now it debugs so...
Hi all.
I have phone with nrf Tollbox and central device with DFU, SD130 2.0.0, SDK11.
I would like flash application to central by OTA when I enter password in nrfToolbox...
