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 quite new to the nrf9160. Trying to run the gps example https://github.com/ExploratoryEngineering/nrf9160-gps . But everytime I get an error Failed to start GPS. I am...
Hello, the SDK example ble_peripheral\ble_app_uart includes the code below in order to forward data from the UART over the BLE. What it does is wait for a CRLF, or a certain...
hello
i have created 1 custom service for that created 3 characteristics.
with that 3 characteristics i'm trying to notify by using nrf connect app.
my question is...
We are looking for a BLE-enabled chip which can bind to a smartphone, with the aim of performing proximity tests. to make sure the person in possession of the chip is indeed...
We want to design a small tracker for key rings like car keys etc, it will be linked with mobile app. Is it possible to do so?
Whatever I have read till now is it is possible...
Hi,
We are planning to run the nRF52840 in CKAA configuration 3 (attached) in Normal Mode. When we boot, our regulator will provide VDD = VDDH = 1.8V. Reading through the...
Our product is using NRF24L01+ and PA to transmitter data. It pass all the test of FCC PART C but the BAND Edge measurement.
The below 2 pictures is NRF24L01+ Band edge...
Hello everyone,
I have been dealing with this issue for some time now, and I think it's time to find a definitive solution, I am sure there is one!
For my projects,...
I had some questions when using nRF5SDK160098a08e2\examples\dfu\secure_bootloader\pca10056_s140_ble for OTA test. Who can help me answer my question?
1. Can I return the...
Hi,
i have created some custom characteristics and i am enabling read and write characteristics in that, but when i am trying to write or read some data it seems that it...
Hi everyone,
I am trying to connect my nRF 9160 DK and Thingy:91 to TIM (Telecom Italia Mobile) CAT-NB1 network provider from Brazil. I am using the Asset Tracker and...
Hello,
For my project I want to use broadcast packages to send data to multiple devices at the same time.
I've seen that there is a beacon application that "should"...
Hi,
I'm trying to develop a custom service and am following a few examples in trying to do so. The software crashes for me everytime after advertising the new service...
I am building a custom device that incorporates the nRF9160. For testing I would like the device to work in China. I believe NB-IoT is the only network that is supported by...
Hello,
I have multiple records that I want to update during the runtime of the program.
What is working:
1. I can write in memory for the first time initial values...