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...
This is a question for the developers of the nRF Connect Android app, or anyone else who might have the details.
The app has a really useful test hardness in it now that...
Hi,
I am working on implementing secure DFU. I have complied and loaded the secure DFU using gcc and am trying to upload a package using nRF Toolbox on android.
I have...
Hello Everyone,
I'm a beginner for nRF52 and my aim is to learn and develop system on nRF52. I have bought nRF52 development board and installed Keil MDK on my system....
Previously i've been using the nRF dongle using the BLE NUS Central example to communicate to another nRF DK with the BLE NUS Peripheral example via serial/termite and ble...
Hi there,
I am new to the nRF world and I might be asking a very stupid question with obvious answer but I couldn't find any hint from the Infocenter nor the Tutorials...
Hello guys,
I followed this guide to set up the software on my macbook.
The blinky example can be successfully built, but cannot be flashed to the nRF52 DK. Then I tried...
Hello everyone,
I tried to rename(right click the project name and click the "Rename") my project from "sdk11_ble_tutorial_adverstising" to "sdk11_ble_tutorial_adverstising1...
Hi,
anyone would have any idea (to look at, as to) why the same app running on the same chip/PCB (nrf51822QFAAH rev3) could possibly have slowed down so massively after...
I'm trying to add debug information to ble_app_hrs using nRF5 SDK 10, softdevice s110 version 8.0.0, building for an nRF51-DK target (PCA10028) using ARMGCC. I've found that...
I've encountered a problem getting the tick count from FreeRTOS when tickless idle is enabled. I'm not sure if this is a bug or just unexpected behavior. I am using the latest...
Hi everyone,
I'm integrating the spi_master_with_spi_slave example into our firmware; however, I'm not seeing the event callback I registered being called. I'm verifying...
Hi everyone,
I implemented nrf51 flashing through SWD (external MCU is used). After first flashing and reset when we enter debug mode on SWD second time we have a busy...
Hello,
I am trying to interface an MPU 6050 with an NRF52 with sdk vs 12.0. I noticed in the mpu6050.c file that it uses a twi_master.h file in the sdk in folder labeled...
Linking ble_app_proximity_pca10040_s132.elf
Output/nrf52832_xxaa/Exe/ble_app_proximity_pca10040_s132.elf section `.fs_data' will not fit in region `UNPLACED_SECTIONS'
...
Hi,
I flashed an board with a NRF52832-QFAA-R7 with the ble_app_hids_mouse of SDK 12.1 (and also with the keyboard) example to test and build an application using this...
