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 just buy nRF5340 pdk and look at user guide https://infocenter.nordicsemi.com/pdf/getting_started_NCS_nRF53.pdf . I installed nRF Connect in my PC, and flash HEART...
Dear all,
we produce a device using NRF8001 and never had any issues before, but since last Friday, we cannot connect the device to Windows 10 (build 19041) via bluetooth...
Hello, everyone. I'm a novice who just started Nordic. My goal is to apply button input and timer to implement two functions with one button. (Based on the time the button...
Query on reference designs and layouts
1. "nRF52833-QDAA Reference Layout 1_0 PCB" stack-up seems to need improvement (please check the Core thickness between Layer1 and...
Hello, I'm a novice who just entered Nordic. I'm dealing with button input through bsp example now. And I am using sdk v17.
I succeeded in toggle LED by simply clicking...
Hi,
I am writing an APP for comunicating with my nRF peripheral. I've set the MTU size to 251 and this works fine under bluez or android.
But if I try it in iOS (>10.0...
Hi
I've been working on a project over the past few months, and per a new requirement I was asked to add a debug configuration, as thus far I have worked with only a release...
Hi,
We have a Lattice Ice40 UltraPlus FPGA, SPI FLASH, and nRF52832. We would like to be able to include the FPGA's binary image in our DFU package but it is about 110kb...
Hi,
We are using SES on Windows to program a nrf52832 device with a SDK 16.
We are having problems with the Secure BLE DFU. We are able to perform the DFU on our devices...
We're trying to minimize power consumption on our custom nRF52840-based board and we have some questions about the behavior of HFINT and HFXO. The specification says this...
Hello,
I am currently evaluating concepts on how I can power my nRF52832-custom-board with a LiPo-battery, in order to get a good tradeoff between lifetime and form-factor...
HI Team,
We are using the nRF52840 DK for our development purpose. We have some issues with USB J2 connector and unable to connect the on board debugger. We have tried...
Please note about 9 days ago another user reported similar problem but is his case LED3 and LED4 were blinking. In my case after reset I see LED 3 blink and then about 30...
It had been working fine until just this moment.
Every time i turn it on, it works fine for few seconds and then the red led in the device turns on. I don't understand the...
