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 Everyone,
I am trying to implement fds in nrf52832 with sdk 15.2. getting some issues. I am using 5 record key's and 1 file id.
Before coming to that, Can anyone...
Hello Everyone,
I am using nrf52832 and sdk 15.2 for ota over serial. I have made bootloader for OTA over UART and tested same with nrfutil using my dfu package file. firmware...
Hi. I my embedded code I read default MAC address internally and mine is read as 73:7F:..... but in reality is supposed to be F3:7F.....
I have read few tickets where people...
Hello,
We are designing a custom board, and we would like to use an external crystal for the low frequency clock source, but we are running into disconnect issues. A similar...
Hi,
I have been trying to get the BLE secure DFU example working on a custom board (nrf52840 - BC840 module). I tried it on SDK 15 and SDK 16. When I flash the BLE DFU,...
I am trying to get the current time and the current time zone. I see there is some modem commands LWM2M commands that appear to have the capability to do that. When I try...
Dear all,
I have an application that requires me to keep advertising until the button is pressed.
I use a timer to read the status of the input pin and then if input is...
All of our initial BLE project development has been done using a the Nordic nRF5_SDK_15.3.0_59ac345 SDK and 10056 eval board. Now we have a production board that is based...
Hi All,
I am developing an application with a custom BLE profile, one in which i would like to notify the central of certain values as soon as they connect. I have built...
Dear Devzone team,
What is the fasted way to fetch and store the Thingy91 measurement and device data outside of the nrf Cloud? If i just deploy the AWS certificates will...
Hello,
We are currently working on a project where up to 40 battery powered devices need to talk with one router/coordinator. Each device features a proximity sensor and...
The instructions do not tally with https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v12.2.0%2Flib_crypto.html&cp=4_0_1_3_9_2&anchor=lib_crypto_installing...
Hello everybody,
I tried to send data while in scanning mode (RX 100%).
I don't get any error when sending but data seems not to be sent (not shown in ANTWARE).
Is what...
Hi
So, Im trying to repeat the ble_central_and_peripheral example but with my own services. To be easier let's call the service " snsr ". So, I did the snsr.c and the snsr_c...
