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 have downloaded the nrf5 Sdk 17.02 and nrf mesh 5.0.
Kit:nrf52832
Ide:segger ide
1. Can you please tell me how the data gets transferred and stored in ble stack...
Hi!We used a 52832 to make a bracelet. Now some apps on Huawei phones can't be remotely upgraded by the ring. We have verified that Nordic's official Android DFU library throws...
Dear Sir,
I'm testing the Rx sensitivity of EVB (nrf52840-DK).
I use PER 30% be the thresholde and get Rx sensitivity; -92 dBm/ 1M , -88dBm/2M.
It's different with datasheet...
Hi Nordic,
I have upgraded my NCS folder to version to v1.4.2 and couldnt able to open SLM application(v1.4.2\nrf\applications\serial_lte_modem).
I am receiving below...
Hi,
probably very basic question. I found some nrf code in nordic sdk. I don't remember the version of SDK. I compiled and deployed it on nrf52840 devkit and also on dongle...
The issue:
1) Program x2 NRF52840 dev boards
2) comment board A to windows, windows reports COM n
3) unplug board A and connect board B
4) windows reports the same...
Hello Everyone,
We are using nRF52840 IC for our products which has 1 MB of flash.
Thread Secure DFU Example provided with Nordic SDK supports only Dual Bank DFU. This...
hi,
we have an product using 51422 for many years, now customer ask support dual bel connection, please help confirm if it is possible? which sdk version and if there...
The chip we use is nrf52832 and the SDK is nrf5_ SDK_ 15.3.0_ 59ac345, the booeloader uses the example project nRF5_SDK_15.3.0_59ac345\examples\dfu\secure_bootloader\pca10040_ble_debug...
Hello,
I am developing one Zigbee based product for that I am using nRF52840 and light_bulb examples and modified as per my requirement.
Till now everything successfully...
I've just found through some trial and error that SoftDevice (s130 at least) on the nRF51 DK handles a sequence of notifications in the following manner:
call sd_ble_gatts_hvx...
Is it possible to （central side） send scan request fill the content based on received advertise information？
We want to control scan request message based on advertise content...
I am an experienced developer but struggling to understand nRF9160. Where can I find .h files defining HW? Where can I find data sheets describing peripherals? My task is...
