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...
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...
How do you do！
I now use the chip is nrf51822AC, RAM space size of 32K. The size of the RAM occupation of my current program is
8K, I would like to ask, why this time the...
Hello Everyone
I am really new to everything here, i just got nRF 52832 board,
Can anyone please tell me the step-by- step method on how to make a program in keil uVision...
Hello,
I'm stuck in DFU using HCI(serial)..
I'm using nrf51822 , softdevice s110 ver 6.0.0 . I used example code in
"nrf51_sdk_v6_0_0_43681\nrf51822\Board\nrf6310\device_firmware_updates...
Hi All,
I have a nrf52 PCA10040 Kit with me . I loaded the BLE app UART Central example binary into my Kit . The LED 1 is blinking (Scanning Indication) But am not getting...
I went though steps point here Everything went well. We create bootloader settings hex file base on our application hex file I'm a little confusing now. Should I always create...
Hi dev team,
in my design I am using the nRF52832.
On the GPIOs (P0.14,P0.15) I've connected a Darlington Array ( ST ULN2001 ).
My circuit is living of a super cap...
I coded following
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&cccd_md.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&cccd_md.write_perm);
char_md.char_props.notify = 1;...
