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,
It appears that changes were made to the DFU bootloader project in SD 8.1. The project no longer seems to function when using GCC.
I am using GCC 4.9.3
when...
I'm following these instructions. And downloading a project from this github repository.
The downloaded github zip file contains the following folder "ble_app_uart_c_S120...
Hello,
I use this program.I take values.Android Application want to show the values.
Program:
#include "ADXL345.h"
ADXL345 accelerometer(p5, p6, p7, p8);
Serial pc...
Hi all,
I would like to use the Arduino programming environment on my nRF51422 prototype. I have seen that RedBearLab has done the migration for the nRF51822 which quite...
Is the nrf52832 developer kit compatible with Arduino Leonardo? I know that most Arduino shields work well with Leonardo, but a few have troubles.
Thanks
Hi,
I would like to have a recommended supplier for the 32MHz crystal. I have seen the specification for the crystal. But from my experience it is a bit more complex than...
I followed the guide of this and when I opened the project " BLE_Gateway" ,it showed that the "spi_slave.c","softdevice_handle.c"and "ble_advdata.c" file couldn't be found...
I can not compile the example project 'ble_app_uart_s132_pca10036' ,in nRF52_SDK_0.9.2_dbc28c9\examples\ble_peripheral\ble_app_uart\pca10036\s132\arm5_no_packs.the error given...
I have a fully working project that uses the HomeKit SDK 1.0.0 from Nordic Semiconductor.
In order to be compliant with Apple specs I am trying to upgrade to version 2.0...
Hello,
I enabled debugging in keil v5 for the nrf 52 and I am debugging through UART for the ble_app_proximity and viewing the messages in putty. The messages i received...
hello everyone,
I was trying to turn off nrf51822 on some condition. So i thought i will use systemoff mode register to do that.i am attaching code snippet of what i am doing...
I am trying to build the ble_app_hrs using gcc. It seems to build okay. I can program it to the device. When I press button 0 or any of the buttons the leds does nt light...
