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 developing a system where I have a app and a Rigado BMD-300 Module. I am using, for experiment, the nRF Connect App and in program, I use SDK 14.2 and s132 softdevice...
Hi to everyone,
sorry if this question will result stupid, but I'm really new on programming Nordic microcontrollers.
I'm trying to develop a simple ble application for...
1. Did secure BLE DFU first time for hrs app, BL jump to hrs app
2. Did secure BLE DFU second time for hts app, BL jump to hts app
3. Did nrfjprog HID keyboard app and...
Hello,
I am using NRF52840 board and SDK 14.1, Softdevice 5.0.0-2.
I am testing other devices on my board. However, it seems to work normally until 2, but the connection...
Hi,
I just try the new mesh SDK V2.0.0. And I found that there is an error if I compile the "examples\light_switch\proxy_client" more than one time.
The error is here...
Hi,
I have successfully flashed nRF24LU1+ via ISP. Right now, I am validating using USB to download firmware for future production. Here is the issue.
Our project has...
Hello all,
I'm currently working on a project with a due date coming up soon. I'm using two (2) nRF24L01's with a nRF24L01+PA+LNA shield.
Right now I have my micro controller...
I want to change the advertising data of the advertising packets with time. I did find the solution for the same in this link - https://devzone.nordicsemi.com/f/nordic-q-a...
I have a board with an NRF52832 and an LED driver. I wrote a function that bit bangs a serial stream to an LED driver. It works when I use the nrf_gpio.h library.
However...
I am working with NRF 51DK. I am trying to flash a software on the target device which uses NRF51 microcontroller. I am using NrfGo studio. I am facing an error that, Unable...
Hi All,
I am newbie with nordic, and I need some help.
I am using nRF52832 with softdevice.
I need to generate a 128 kHz clock signal (PWM pulses with 128kHz frequency...
Hello, everyone!
I am a newbie developer about nrf51.
I need to advertise my BLE and save my power.
I have read the document that nrf51 has System-on (including some...
We have a couple of development units that are showing the above error in the nRF Toolbox app. Using the nRF Connect app, the DFU dialog just goes away and the screen reverts...
What is the difference between 'NRF_SDH_DISPATCH_MODEL_INTERRUPT', 'NRF_SDH_DISPATCH_MODEL_APPSH' and 'NRF_SDH_DISPATCH_MODEL_POLLING' in the 'NRF_SDH_DISPATCH_MODEL' related...