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...
Hello,
I'm having a bit of difficulty disabling the PWM peripheral when it is no longer required. From the manual it states that "To completely stop the PWM generation and...
I have a custom BMD-350 board with a UART service. The board connects just fine with the nRF Toolbox iOS app but does not work with the Android app. The app connects to the...
Hi,
I am a little bit confused about the different supported stack for the nRF52833 when using BLE Mesh. With the current example, there is only support for the S113. Can...
I started a timer on the nrf52840 and the SDK is nRF5_SDK_15.2.0_9412b96, but I haven't never receive the callback message after the time. What's the reason?The code is as...
Hello ,
In this scenario, I have to measure the time interval between the START and STOP pulses generated by a peripheral device connected to nRF52 DK. The thing is START...
Hello!
I am currently using a module called BLENano2 (nRF52832). SDK15.0.0 is used and the editor is "Segger Embedded Studio v4.16".
Finished writing the program that...
Hi,
I tried out the light switch example on a nRF52833 and it seems not to be reliable at all. So i connected the debugger and saw, that in access.c,
in packet_alloc_and_tx...
Hi all,
I am trying to use nrf52840 dongle as hci_usb with the very simple task: scan
Host is Raspberry Pi with BlueZ
Controller is nrf52840 dongle with firmware hci_usb...
Hi
I want to move DFU at the application level. Is this possible? I want to move DFU at the application level because of my project requirement.
1. In my project, I have...
Hi, I am trying to get the BLE values on Thingy91 (PCA20035) . And I have followed the
devzone.nordicsemi.com/.../217018 I have ported the diff (nrf and zephyr diffs from...
I am using built-in DTLS for encrypting my UDP traffic. In order to save expensive data quota and reduce battery drain, I have to make use of session resumption, so that I...
Hi. I have a question about Bluetooth 5.1. I just want to know what the main difference is between a Bluetooth 5.0 and Bluetooth 5.1 chip.
Is it the hardware or software...
I am developing a firmware on a nrf52840 board with FreeRTOS. Unfortunately, due to a mistake during the development process, the board misses the XTAL 32,768 Hz.
Is there...
Hi Nordic:
I want to build a raspberry connected to a 52832 board via uart,
this raspberry pi with 52832 board need doing secure DFU to remote BLE device, the raspberryPI...
