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 Guys.
I have compiled and programmed ble_app_uart program in to a nrf51DK (pca10028-nrf51488).
I downloaded and installed nRF UART V2.0 to android 5.1.1 .But while scanning...
Hi,all.i use pwm with sdk8.1 sample (SDK8.1\example\peripheral\pwm),my question is how to stop pwm and set the pin to low level? is my code correct?
my pwm init code:
...
I've a board with the nRF51 inside and a LIS3DH as accelerometer.
I already reflashed and I want to read the accelerometer values from the LIS3DH but I don't know where...
Hi Guys,
I tried to integrate the spi master project to ble_app_uart. For that I added the missing headers from spi project to ble_app_uart. And also I added the .c files...
Hi, Guys,
I am integrating the proximity app with dfu, everything else goes well. However, when I try to update bootloader through dfu, it failed. I check the MCP log,...
Hello,
I use S132 on nRF52 and do multiple roles.
When event BLE_GAP_EVT_CONNECTED is fired, role is invalid (0). How to know that it was a device or central event ...
I have developed an application for the NRF52832, initially with the Keil toolset and changed to Eclipse/GCC. The application works great when I build/load with the Keil toolset...
Hi,
I have an NRF 51 DK and vs. 11 of the SDK and just recently learned how to write some basic code and now I am trying to learn how to use ADC on NRF51. I am trying to...
I'm testing pairing and bonding with an iPhone running iOS 9.3.1 and nRF52832. I'm running into trouble when reconnecting to a previously paired device.
The first time...
Hi,
I would like to use SPI raw master library (used on application chip in serialization examples) in my own application.
First, to understand well SPI raw implementation...
Hi all,
is there any method to disable SWD in a way that every operation through SWD is blocked?
Do the MPU also blocks for reprogram the binary through SWD (maybe disabling...
Hello
I'm new in nRF51 SDK_11
In my tutorial I want to set a RedBearLab BLE_Nano nRF51 like Central.
I read the references in " developer.nordicsemi.com/.../a00066.html...
If I want to do a project following.
The central that has NUS service can connect to at least two peripheral .
Two peripheral also have NUS service.
I can receive notification...
Hi Guys, my project requirement is i have to make sure that my nRF8001 should bond with only one peer device. So i intend do a whitelist one peer device address, whitelist...
I'm trying to use 4 pwm by hardware
and 2 pwm by ppi.
It works pefectly purely.
and if softdevice included.
I have to change nrf_ppi_ to sd_ppi_ api.
and got no demo...
