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 looking for some tips to speed up a DFU transfer.
I have 2 BLE, I implemented a DFU master in the first one using SDK11.
Transfer duration is about 3mn30s...
Hi, I am trying to do firmware upgrade of nRF91 over BLE using nRF52 on the nRF91-DK or Thingy91 board. They both have nRF91 and nRF52840 chips on them which are connected...
I am currently working on a Heart rate sensor(max30102). I have connected the sensor to my nrf52 DK as follows: GND -> GND VDD -> VIN SCL -> P0.27 SDA -> P0.26 INT -> P0.17...
Hi everyone,
I have lately had some problems with my application which has different characteristics enabled, such as nus, battery service, dfu etc...
The problem I am...
Hi team,
I have 2 Thingy:91s, 1 is maybe new, not sure if I have used it before and 2 has been used before and reprogrammed over SWD many times before.
I wanted to test...
Hello,
I am working on my nordic board to make an https request to download some data that is about 4200 bytes. It is failing because of the BSD_IP_MAX_MESSAGE_SIZE=4096...
SDK 15.1 API 6.1 and i use SES
I removed previous as i was trying ot use fstorage. I switched to fds calls and it seems to work better.
However, does the fds calls take...
Hi,
I'm trying to configure the watchdog timer for my application but I am running into some "weird" things.
Is it correct that the reload value cannot be set once the...
Hello，I am using SDk14.1.How can I use NRF52832 connect to a specified host?I already know the MAC address of the host but have never connected to it。Can NRF52832 initiate...
Infocenter "Download offiline documentation" link is broken (see attached images). This occurs when using either IE or Chrome.
Please advise how to download SDK API.
Hi, Unfortunately, I'm stuck on this issue with running SDK-mesh example on Dongle. 1) I did: - took the project: nrf5_SDK_for_Mesh_v4.0.0_src\examples\light_switch\client...
I saw in this reply that the number of friendships a friend node can handle was limited by available RAM on the friend node. I set MESH_FRIEND_FRIENDSHIP_COUNT to 50 and after...
Now I come across such a problem, when the device is sending serial port data, at the same time to the mobile phone and bluetooth connection for related business processing...
Hi,
I am trying to implement energy efficient(batt powered) application for nrf9160, using UDP/DTLS/LWM2M as comm stack. Got "hello world" working, but now I am really confused...
Hi,
We're developing a product based on Zephyr for the NRF52840 (currently seems to be Zephyr 1.13 OpenSource variant). When doing power measurements, it seems that the...
