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...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi,
We have the following problem when start the watchdog from bootloader: the application is started successfully by the bootloader but when enable the softdevice the application...
Hello, I'm implementing a pair of MCUs where one is operating a ANT+/BLE radio stack using the S332 soft device. Whilst TWIS is disabled, we're getting great performance,...
Hi all , I using module NRF52832 and SDKv14 . I have 2 board central and 2 board peripheral . I want to connect each board central to all board peripheral and connect each...
Hi everyone,
I'm working in an application for a wearable device and I recently have a problem debugging it with Ozone Debugger from SEGGER Microcontroller Systems . I'm...
Hi I am using the mesh sdk 2.0.1 and the nrf52 dk board.
I have made a new model modifying the simple on of client/server example, where the server will send a periodic...
the function nrf_dfu_settings_init in nfu_dfu_setting.c
// Copy the DFU settings out of flash and into a buffer in RAM.
memcpy((void*)&s_dfu_settings, m_dfu_settings_buffer...
Hi,
Our product is based on BLE 4.2 / 5 peripheral devices and PC application (windows 7 & 10 environment) as central device.
we try to use nRF52840 dongle and also other...
On a NRF52DK Board, There is an on-board programmer done with ATSAM3U2C seen as a Segger programmer or a Jlink Progammer.
By mistake, I erased the entire flash of this...
I was trying to update J-link firmware (using link [https://devzone.nordicsemi.com/question/170895/nrf52832-jlink-stop-working-after-entering-bootloader-mode/] ) into interface...
Hi,
The following vulnerability described as Bluetooth implementations may not sufficiently validate elliptic curve parameters during Diffie-Hellman key exchange in the...
I want to use the serial DFU. Do you have any examples? I tried with ble_app_buttonless_dfu, not UART DFU.If you have a detailed reference, please let me know.thank you very...
Hi,
I am using the MCU on a board with sensors that are sampled in a very high rate (~100Hz).
I am having issues when trying to send the data with notification on more...
Hi,
I am using sdk12.2 and customised nrf52 board.
I want to interface ultrasonic sensor with nrf52. In this I am enabling trigger pin as high and after sometime my...
Dear All,
I am working with SDK version 15 and softdevice 132.
I want the device to advertise for 1 minute. Then go to low power mode. Again wake up after 5 minutes...
I have twe NRF24L01 module,one set Tx mode with autoask,and another set Rx mode without autoask,
The channel and address are same.
Can I use this mode to communication...
