To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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...
Hey. I want to wake my s110 device every 30-40 second to advertise for a few seconds only. Is there an example on this or if someone could guide me in the right direction...
Hi all,
I need to using NRF51822 as a clock: second, min, hour, date.... I know I only use RTC as a timer 1s. When NRF51822 power off then time was lost. So, I must be...
Hello,
I have some problem with a specific phone. I try to connect with the nrf52832 using samsung S3 with android version 5.1, the connection takes 20 - 50 seconds and...
Hi,
I am very new to nrf51822 controller. I Used STM32 cortex controller's.
I want to know basic hardware which are the require to start nrf51822 working and programming...
The example nRF51-DK gerbers have solder mask on the PCB antenna. But for the nRF24L01+ EK gerbers, the PCB antenna has the solder mask removed partially, along the length...
Hi,
I downloaded the nrF5 SDK V12.2 from:
www.nordicsemi.com/.../nRF5-SDK
after unzip, I could see the SDCard library under "\nRF5_SDK_12.2.0_f012efa\components\libraries...
Following III. Example code and Enabling whitelisting ,
I try to connect to the "nRF52 DK" board with a whitelist (Android BLE device address),
but I've never connected...
1、I use SDK9.0 ANCS project, the position is as follows:
SDK9.0\examples\ble_peripheral\ble_app_ancs_c\pca10028\s110\arm4
2、I need a project which is contained with...
hello there,
i am giving external supply to nrf51. my external supply is usb 3.3 v. but when i connect it with nordic and then if i check it on multimeter , it shows me...
Hi all,
Does anyone know how much current is meant to be drawn to discover nearby devices? I guess, in other words, how much current is drawn to put the nRF51822 in discovery...
Hi Sir,
I have a NRF 51822 board & MPU 9250 sensor.
I want to read YAW,PITCH,ROLL,ACC_X,ACC_Y,ACC_Z,GX,GY,GZ,MX,MY,MZ values from MPU Sensor.
Could you please share...
Hi All,
Continuing on with my project: a custom board containing nRF52 + ECG front end.
Successfully integrates SPI functionality; need 2 more interfaces:
32...
Previously you recommended using S132 v4.0.0 2. alpha release to get more than 8 central connections. As far as I know this revision doesn't implement Bluetooth 5.0 protocol...
Hi,
I have written a code which transmits data over BLE.
The board was getting reset.
What we changed is instead of sending application data we sent the RESETREAS register...
Hi,
I'm trying to change the MAC address of nrf52, using softdevice s132_nrf52_3.1.0 but we dont have sd_ble_gap_address_get() and sd_ble_gap_address_set() APIs in "ble_gap...
