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 need to send my packets with an interval smaller than 100ms in unconnectable mode. I know, that this is a restriction from Bluetooth standard. For my application...
Hello,
I've a problem with handling interruption on nrf51dk (SDK12.1.0).
I set GPIOTE to handle interruption based on the example code "pin_change_int".
I work with the...
I am trying to use the NRF51 soft device with the App_PWM library. I can get both working individually, but when I try to enable both, I can no longer connect to the device...
Hi ,
I am trying to interface SD card with nrf52. For this I am using fatfs example of new 12.0 sdk. I can able to write the data to file but when I am taking the data...
HI,
I followed this link github.com/.../nRF51-ble-bcast-mesh to develop mesh in nRF51822 dongles. i am able to flash the code( nRF51-ble-bcast-mesh/nRF51/examples/BLE_Gateway...
Hello, I am working on characteristics tutorial.(our service.c)
And I succeeded in notifying characteristic from nordic to android.
The methods I used to notify characteristic...
I'm in the process of migrating to SDK 12.2 and I noticed that nfu_dfu_settings.c now includes app_scheduler.h and makes a call to app_schedule_execute().
How do I use...
want to send a float as a value of a characteristic
I have successfully achieved this using the simple way
Below is the example of just two float variables in an array...
Hi,
I have a PCB with a nRF51822 QFAC A1 onboard, and I wrote a firmware with mbed for this PCB in which P0.08 is supposed to be set to 1 during the initialization and...
My company is in the final stages of prototyping and we want to release our first product in the coming year (focusing on European and American markets). The next steps are...
Hi,
Does anyone know if there is a way to achieve 12 bit duty cycle resolution at 25 KHz PWM frequency for 5 channels (individual duty cycle for each channel) using the...
I have one of the new Power Profiler Kits, and it works really well (well done!). The only problem is I can't reprogram the dev kit while it is connected to the Power Profiler...
I have tried to build this by double-click on the .xcworkspace file, in the folder obtained from the downloaded .zip (dated Nov 24, 2016), then "Build + Run". I get 203 errors...
I have modified the template's code so ble_advertising_init should setup manufacturer data, once I have this assignment:
advdata.p_manuf_specific_data = &manuf_data;
...