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...
We have been suffering about this problem quite a long time, maybe since the beginning of starting to use nRF51822 roughly two years ago. The thing is that we cannot trust...
I am working on a ble peripheral project on the nrf52832. When I make an SPI transfer inside the main loop the spi_event_handler function gets called with no issues. After...
Hi, I was wondering if there a way to connect several peripheral devices to a central device with nRF52840? In my application, I need to send data from multiple temperature...
Hi
i wanna create a connection between nrf24l01+ and nrf51822 with esb
in nrf51822 side i'm using sdk12.02 example and i need help for nrf24l01+ side
recommend me...
Have an nrf51 board design that doesn't want to run without a debugger. When programmed, the debugger can run the board. When the debugger is removed, the board does not seem...
Hey guys,
I work with a partner who makes the hardware for me and uses the nordic chips. I want my device to pair over the android and iOS system settings.
image description...
The migration document below seems to refer to an SDK that no longer available for download for nRF52, v0.9.0.
infocenter.nordicsemi.com/index.jsp
Tried to apply nRF52...
The migration document below seems to refer to an SDK that no longer available for nRF52, v0.9.0.
infocenter.nordicsemi.com/index.jsp
Tried to apply nRF52 v11.0.0 instead...
I started working with NRF52-dk. I develop with GCC compiler and mbed SDK (debugging with OpenOCD and GDB). On download (tools) page I see "nRF5x-OB-mbed-IF" with description...
I'm using nRF52 + SDK11.0.0 + s132 and following this tutorial and this blog to make a Managed Make project using the ble_hrs esample.
As I was going through the directory...
Hi,
I want to use Timeslot API in order to gain uninterruptible period of time (1 second~) along with running Softdevice - just single one, not periodical.
I've changed...
Hi,
I'm building a low power application utilizing a MEMS accelerometer providing a data ready signal with configurable intervals. The intent is to use this signal as a...
I have to evaluate the results obtained for time synchronization in a piconet BTLE through the use of the RBS protocol. For this purpose I use a nRF52 DK as beacons to transmit...
what is the start_on_notify_cccd_handle in the ble_conn_params_init_t?
I don't know why use this variable.
It seems to be used for conn_params_negotiation()... but isn...
Hi,
I'm using "bootloader secure" example from sdk 12.2 and I modify it for instead of use button to enter in DFU, use a value written in a memory position.
As in other...
