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...
Hi,
Apple has released the specifications of HomeKit for hobbyists and non commercial use ( developer.apple.com/.../).
Do you (Nordic) follow Apple by releasing a hobbyists...
Hello i am new to nordic BLE chip. I want to put security feature. i.e. when i press push button by this GPIO library. BLE should be visible only for that time frame, can...
Hi,
I am trying to flash program an nRF51822 module to operate as both central/peripheral role.
So I'm looking for some advice on how this could be done?
Programming...
The old MyPages had a useful feature that allowed one person to ask a question and share it and the answer with the other members of the dev team. Now that the new DevZone...
I have been trying to use app_uart_fifo in an application that also uses the scheduler. Based off my understanding of the tutorial it seems that anywhere where I would want...
Hi,
I use FDS library of SDK13.0.0.
As wrote in the title, pages_init() returns NO_SWAP. Of course, fds_init() returned FDS_SUCCESS initially, so this problem has happened...
Hi,
i wrote a lot of firmwares for nRF51x22 using C language and they works fine.
Now we passed to nRF52 series and we want to use C++ (preferibly C++11) that is more readable...
Hello,
I implemented overall flow related with FDS function including garbage collection,
when I check garbage collection, it is ok, it confirm that the data will be saved...
I have a problem initializing the ble stack when I'm starting my application via a custom bootloader. I'm using the nrf52832 device on a custom board.
My application has...
Hi!
I have interface external piezo element with my ARM controller to get the piezo data. But after sometime my controller is off. I didn't getting why this problem happens...
For ble central devices on nrf52, there are problems with the internal rc slow clock. When I load the project ble_app_uart_c onto the PCA10040, everything works as expected...
Hi, I have a problem with advertising on nrf52840q1aabb chip. I used example code ble_app_template on nrf52840q1aaaa revision and everything works fine but after changing...
Hello,
I have in a multi-sensor application some actual data (including RTC) which appear continuously and which have to be saved in an external RAM connected by I²C. All...
Hello,
I am using 14.0.1 sdk, and hope to use DFU (Secure bootloader),
I am trying to use buttonless app in my app (uart example app),
when copying some codes related...
When I try this demo project, got below information from RTT. Any problem with it? How to deal with it?
Thanks.
RAM START ADDR 0x20002080 should be adjusted to 0x20001FE8...
