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...
dear all
I use nrf52840 to compile a library with floating-point operation. I configured it in my *. Conf
CONFIG_ FPU = y, but we can't find sqrtf, sinf, logf and so on...
For a customer I am developing a Zigbee coordinator / Gateway with the nRF52840. As software basis I use the “Zigbee cli example” from SDK V4.1.0.
So far, everything works...
I installed nRF Connect SDK v1.6.0 and SES Nordic Edition through the nRF Connect toolchain manager (Windows 10). I'm finding that I can't use the "open nRF Connect SDK Project...
Hello,
I'm trying to make the RF frequency of TX channel configurable.
I have noticed that anything higher than 0x50 is not acceptable for sd_ant_channel_radio_freq_set...
Hi,
I wanted to use the console on nRF52840DK in high-speed UART mode (921600bps) but it fails and I just saw the DK User Manual says:
Baud rate 921 600 is not supported...
I'm using the ble_nus_c NUS client code for a custom 1:1 data link between two embedded nodes, just pinging a few bytes of data back and forth every 3 seconds. Bonded connection...
Hi,
We are using nRF52840 SOC with our custom board . Due to some reason, the SWD data line( SWDIO pin ) shorted .
So now we are looking into how we can program nRF52840...
From SDK we can see that there is a lot of events about security. I've read some of them by comments and still a little confused about the difference of them.
Could anyone...
We're using the Azure iot hub implementation in a custom product that works with Azure.
One of the things we've noted is that if the total size of the device twin exceeds...
Hi,
I'm using nrf52840 in order to connect to a mobile and PC.
When connecting to a mobile, connection is bonded, but when connection to a PC, it's not, although m_sec_param...
We made the product by adopting BLE security mode 1, level 4. According to the analysis of our products by the wireless communication certification authority, We received...
I want to work on BLE. Pls suggest me a mobile phone I can purchase in amount of 25000 which supports:
BLE Long Range, Direction Finding, Advertising Extension, Periodic...
* Query on Combined DFU : 1. nrfutil version being used : 2.3.0 2. Followed nRFUtil for Generating DFU packages from -> https://infocenter.nordicsemi.com/index.jsp?topic=...
Hi! We're working on a testing Jig which should test our units in production.
One of the tests I'd like to make, is measure the current draw on TX at max (8dBm). I would...
Hello,
we are currently developing a new prototype board with the nRF52840-chip.
In order to figure out the best performance for our bt-antenna we decided to plan our...
