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...
We have a device (in central mode) initiating a secure connection to a peripheral (slave) via the usage of `pm_conn_secure(conn_handle, false)`. This results in a `PM_EVT_CONN_SEC_SUCCEEDED...
Hi All,
I want to convert analog input into digital using SAADC on nRF52840 DK. After that to push the SAADC output through the Bluetooth (nRF connect bluetooth mobile application...
Hi，
Recently，i try to install the tool chain of nrf connect sdk as the instruction as guide。After installed west，then run command “west update”，but got an error：
Can...
Hi ... folks
I am using nRF52832 and analog IR sensor , Working with the example saadc . In this case , i am giving the IR sensor input voltage as 5v , analog pin 2 .I am...
Hi,
I am using NRF52832 Development board, SDK(nRF5_SDK_15.3.0_59ac345) from this i am using (/nRF5_SDK_15.3.0_59ac345 (4)/examples/ble_peripheral/ble_app_uart) example...
Is the nRF52 RSSI block of the RADIO module based on the entire 2.4GHz ISM band, or can it be configured to only measure a given 1-2MHz band of interest? According to the...
I'm using the serial library for the first time. What are the advantages/disadvantages of using IRQ and DMA? How should FIFO queue and buffer sizes be chosen?
Hi,
I am using the following code to implement a millisecond timer read function. In main, while loop, I do nothing but run a 1ms delay and measure the time in mill second...
Hello, I'm a researcher.
I wanna use Bluetooth CTE(Constant Tone Extension) feature with 1-antenna TX + 1-antenna RX.
I have seen some articles that nRF52840 DK does...
I am using nRF52832 with SDK 16.0.0. I have a simple application that uses SAADC and BLE. It reads values from three channels AIN0, AIN2 and AIN4 and sends them via BLE every...
hi all,
we're developping an application to control the frequency and the duty cycle of a pwm signal throuth ble .
firstly we have built both the functionalities separatly...
So, this library in the SDK looks pretty much exactly what I'm looking for. basic data record storage functionality with a focus on safe record writing under battery power...
Hi, guys:
I'm configuring a custom board based on nRF52840. I configured it as a beacon and need to broadcast the advertising package with updated Major and Minor values...
