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...
pca10059, replacing stock bootloader with Adafruit UF2, using USB dfu Hi. I currently don't have a J-Link at hand, so I tried to flash the UF2 bootloader using the stock DFU...
I want to keep both chip antenna and external antenna options on our board, what is best way to handle this for nRF24LE1 4×4mm QFN24 chip-set? Can I branch the Radio by having...
Hi,
I have a nRF52840 DK and a nRF52840 Dongle. I want to test to send binary data from one to each other using Bluetooth 5 or Nordic proprietary protocols. Are there...
Hi everyone, I am newcommer in here. I just buy one nRF52840 Dongle. I want to connect it with nRF52832 DK with ble_app_uart implemented; and open a COM port in MATLAB to...
Hi,
My application is based of ble_freertos_hrs example (SDK 14.2, nRF52832) and I need some variables to survive an assertion.
It appears that Keil has deprecated #pragma...
Hi Engineer: When I use nrf5_SDK_for_Mesh_v2.1 to debug the "light_switch" project, I always need to use a minimum of three boards (one as a provisioner, one as a client,...
I am using the nrf52832dk,i am working with the spi example for the sdk15,which pins are used for the spi protocol. I am enabling spim0.in sdk_config. h the pins number 3...
I am using NRF52832 as tags for asset tracking. I want to sense whether the asset is in movement or not as simple logical '0' or '1' response from sensor. Please suggest a...
I need sample code for the multiceiver mode. I want to send data from multiple NRF24LE1s as transmitter (to be exact 3 in number) to a single receiver. I read from the data...
Hi Nordic,
I am using SDK 12.3.0, S130 2.0.1 and PCA10028 nrf51 DK.
My design is 1-to-1 (one central and one peripheral). They both would use peer manager to create...
Is there any good way of supporting a button interrupt in a bootloader or is this a “bad idea”?
im afraid I have to add SoftDevice support to the bootloader and I’m not...
What is different between R7 and V3 ?
Data sheet say rev 3.3 - but that is just the rev of the data sheet
Suppliers have both R7 and R-V3 inventory
Does it make any...
I'm using the Nordic nRF Toolbox Blood Pressure Monitor "BPM" app on my phone and I have the development software running. Things work fine. However, I'm trying to figure...