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,
I designed a nRF52832_xxAA board, use an external power switch, without DFU features its operating normally.
When I add the DFU function according to the Sample code...
Hi,
I am using nRF51822QFAA-R7 controller(DC DC setup) in my design.
I am generating +3.3V from rechargeable battery and providing +3.3V as a supply to drive these controller...
Hi,
I'm just getting started with nRF mesh (sdk V3.00) and I've built the light switch sample successfully and deployed it on three nRF52832 development boards but provision...
hello,nordic
I use NRF52840 QSPI+FatFs+USB-msc(..\nRF5_SDK_15.2.0_9412b96\nRF5_SDK_15.2.0_9412b96\examples\peripheral\usbd_msc),I found there is a bug about write to flash...
I am working on a new design for the nRF52832. I need to match an antenna to the device. My understanding is that the output impedance of the nRF52832 is 53 + J66 for best...
I am unable to toggle LED's on server boards, using Push buttons on client boards. flashed the light_switch client,server, provisioning images on nrf52832 boards using nrf5SDKforMeshv300src...
I programmed my nRF9160DK with the asset_tracker app using SEGGER Embedded Studio for ARM.
What I did was to open the prj.conf file and changed the following from "n" to...
Hi all,
I'm currently testing my Mesh network on a small scale. I'm sending messages every 25ms with different TTL values in an environment as visualised below.
The...
Hello,
I'm currently using an nRF9160 DK v.0.7.0 and the provided samples like the asset tracker and the at command client. Compiling, flashing etc. of the firmware already...
Dear Sir/Madam,
Can nRF Sniffer fetch the data of BT Classic Devices having any BT Version from BT 2.1 to BT 5.0?
Kindly help me on this issue
Regards,
MIHIR TAIL...
(running a mesh 2.1 sdk)
I am provisioning my nodes over serial and do not need the GATT Provisioning service. I need to access the GATT Proxy service to send mesh data...
I want to upgrade FW.
Android app has done. but only iOS encounter some problems.
First, I try to download nRF Toolbox on Github. result is DFU Service not found .
I...
Hi,
As per subject I am looking to implement hardware on-the-fly AES-CCM encryption/decryption of ESB packets. Are there any examples/guides available for the nRF52840?...
Hi,
With the PPK PCA63511 we have tried different PPK software such as python 1.1, nRF connect for desktop.
In that process we observed that current measurements are...
