To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Based on 52832, sdk15.3 running ble_app_hrs example, requesting MTU through nRF connect, the first success, the second time is unsuccessful, the app prompts Error 4 (0x4)...
Is there an application note or single set of instructions on how to get debug/log output via the SWO output rather than RTT or UART. Both of the latter are simple switches...
I'm trying to hook up a nRF51 to two other devices. One is connected with UART and the other through BLE (NUS).
The connection with BLE is working fine. But as soon as...
I am using "ble_app_hrs_rscs_relay" example. I am not able to set the TX power of advertising and scanning both. Currently the avg current is too high.
I also tried using...
Hello, in my travels through Nordic development, somehow I am only now creating truly custom characteristics, and I realize I have no idea why there is both an initial and...
Hello, when I run the subject example and connect to it, I see the RX and TX characteristics like I'd expect.
However, I see a descriptor on the TX characteristic which...
Hello! I am trying ZigBee multi_sensor example.
(I had a question here as well. Thank you. "Zigbee multi_sensor example has not connect" https://devzone.nordicsemi.com...
I want to set up a SPI transfer so the transfer itself is triggered by PPI. The PPI is set up working, the chain of events is
Timer CC0 -> Set CS low
Timer CC1 -> Start...
In implementing the --application-version-string with nrfutil I found the help was inconsistent with the application.
The help for this option is:
In the example 2.7...
Hi guys.
I'm trying to merge two projects ble_app_beacon and nrf_crypto_aes_cbc_with_padding.
I used nrf_crypto_aes_cbc_with_padding as base, copied it to another folder...
hi
i want to develop a keyboard that can communicate whith pc by ble and 2.4g . now,the 2.4g's communicate between nrf52840 and nrf24lu1p is achieved by project gzp_desktop_emulator...
I am based in Hong Kong. I purchased NB-IoT sim card with "Three".
When using LTE Link Monitor, (with at_client) I can connect to the NB_IoT network, as Three support told...
Hi! I would like to power the DK through a external power bank. This leads to led5 blinking rapidly for a while and then turning off. I assume this is because of the debugger...
