Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
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 all,
I am trying to put the NRF51822 XXAA chip into DFU mode (the board used is a custom one and not the one in DK/EK).
SoftDevice V8.0.0
Bootloader Source from...
I am using RedbearLab BLE shield V2.1(nRF8001). I am connected once, i received the data. Now i want to terminate the connection and want to start advertising again? With...
i've got problem with spi master connection, im trying to set leds via SPI on DWM1000 module, i've checked through advertising that spi_master_send_recv() sends correct values...
I need to keep track of an integer array in an nRF51822 BLE peripheral (SoftDevice 8.0.0) between power cycles, and I try to use persistent storage manager for this task....
Hello,
I'm starting a new project on mbed with nRF51422. I'm a little bit lost about how to modify nRF51822 project to use S310 (ANT+ and BLE) package instead of S130 ...
I'm developing a BLE application where I want my slave/peripheral to sleep as much as possible to save power. I'm not sure how to set the connection parameters.
I'm looking to migrate from SDK 6.1 to SDK 9.0, using GCC and Eclipse. Any pointers would be welcome.
Also, I'm hoping to start using the OTA DFU. Once again, if there are...
I want to capture connection packets between BLE Master and Slave
(this part is easy) but also capture any advertisement send out by slave
at the same time.
Our BLE peripheral...
I brought up the Template example on the S110 for nrf51822 and as an exercise, attempted to add in the battery service. I just did a few simple things:
in main.c:
-included...
Hello, I want to using nrf51 dk with uart communication.
So, I want to know how connect both PC and nRF51 DK.
I've download with 5pin connector to USB.
In former days,...
hi,
i have meet an issue,when my pca10028 board was advtersing it can be found by the android app which provide by nordic.But it can not be found by my mobile phone.So,i...
I have compiled the bootloader and the application firmware with keil.
When I install the application firmware by means of the bootloader dfu ota.
The bootloader launches...
Hi,
Unable to locate the source code for "UART/Serial Port Emulation over BLE"?
The documentation for this is available in this link - developer.nordicsemi.com/.../a00072...
Hi, i try to understand how to use power down modes. But i have a problem in the example gzll_device_w_power_management of nrf24le1 sdk. Before enter register retention in...
I just started using RTT because I needed to trace execution through some ble events and the uart could not keep up.
It is very nice, but I am used to frequently resetting...
