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 am working with the nRF-SDK-for-Mesh v0.10.1 I am able to compile and run everything fine. I am trying to use the "serial" example and perform a DFU, however the...
I have been designing a four layer stack up PCB for nrf52832 SoC with chip antenna (2450AT18B100 Johanson Technology). This is the first time I have been designing a PCB with...
My example has an in-flash-memory data file that needs to be updated much more often than the code. I thought of using DFU for this and like it says here..
devzone.nordicsemi...
Hi!
I've created a peripheral on android with a custom service with several characteristics
I can see characteristics with nrf connect app for android and I can write into...
Hi, I built my app on the ble_app_uart peripheral example. I am looking to replace nrf_delay_ms(ms); with a low power alternative, I figured a function with loop on power_manage...
I just installed nRF-Connect on Windows to be used with the USB-dongle.
It now wants to update the dongle f/w.
So far I have used the dongle with ble-sniffer_win_1.0.1_1111_Sniffer...
Hello,
I would like to know how I can identify the reason for a reset in my device, I have read about the register NRF_POWER->RESETREAS but I don't know how to check it...
Hi,
Now I test flashwrite example using nRF52832 with software version V12.2.0. I want to erase all memory pages with the code bellow:
for(pg_num=0;pg_num<=pg_total_num;pg_num...
In the source files of standard/adopted services, there's a comment stating:
/* Attention!
* To maintain compliance with Nordic Semiconductor ASA's Bluetooth profile...
I impliment NRF52 + W5100's TCP socket as custom code mqtt client as Publisher via LAN. I need to secure connection with SSL/TSL. Is it possible to use Transport Layer Security...
In order to use SDK13 with no limitation (from keil) to build: nrf5-mpu-examples for sdk13 .
I have followed the Segger Embedded Studio - A Cross Platform IDE tutorial...
Hi,
I am using microecc to create a ecdsa signature and verifying with my public key. When calling nrf_crypto_ecdsa_sign_hash() to sign the hash it returns with NRF_ERROR_INTERNAL...
I am using nRF52480 and s140. The example is ble_app_uart_c.
The program works fine with: Scan interval x00A0 and Scan window x0050
However, when I set the Scan window...
Hi !
When operating the Thingy52 with it's factory firmware:
Is the Thingy 52 choose automaticly which BT protocol to use (BLE 4.1 or Bluetooth 5).
I mean:
if i connect...