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 try sdk 17.02 nRF52840 usb audio demo,I want to achieve 48KHz stereo music play by a I2S DAC.
I finished adding DAC for I2S to play the sound data of USB Audio...
I am declaring the variable in one of the hardware drivers files that are provided by the nordic semiconductor. The variable is not static. The variable inside the function...
Are there any other QFN package baluns that we can use for NRF51822?
One suggested from STM is BGA, and I wanted to see if there are any recommended QFN baluns that we can...
Hi Nordic,
I have an NRF52805 board [ from Raytech] and I am implementing all my application using SDK v15.1.0.
As of now, I have implemented my application using the...
Hi,
We need to know rated output and gain of pcb antenna on nRF52 DK for a technical standards conformity certification.
Can you give us them and their evidence?
Thank...
I want to connect an LTE antenna to J1. However, the antenna has a normal male ufl connector - it appears not to fit.
Is an adaptor needed for this?
Thx for any suggestion...
Hi ,
my environment details:
nrf connect sdk
nrf5340 dk
segger embedded studio
I have seen I2C example code in below path
\v1.5.0\zephyr\samples\drivers\i2c_fujitsu_fram...
app_timer2.c from SDK v17.0.2 has a possible race condition in app_timer_start()
This calls the get_now() function which compares a "now" variable to a "m_stamp64" variable...
Hi,
I am developing based on the mesh dimming example.
I want to use a timer for some status LEDs and some other things. I am trying to do it using timer 0, but the callback...
Excuse me:
The default stack stze setting of SDK is 8K,If the stack overflows when the customer reads data from flash， Does stack overflow modify other...
So I'm trying to implement the above scenario. My requirements are,
1. Peripheral should be discoverable by Bt.5+ centrals from a long range over long range features.
...
Hi Nordic DevTeam,
I am having this minor issue where the transmitting UART of the NRF (from phone to external MCU) is not responding as robust as I expected.
...
The fds_record_update was called successfully, and a successful callback was received.
When I use the nrfjprog -readcode command in SDK 13.0, I find that the data is missing...
Hi,
SDK: nRf connect SDK
Kit:nRF5340
I would like to configure a radio peripheral in application core. But radio peripheral is a feature of network core.
1. Can you...
