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...
I'm trying to put the nRF52 into sleep by using the following code in a loop:
__WFE();
__SEV();
__WFE();
But I see current consumption at around 5mA still, and...
The Bluetooth Mesh Light Switch example shows how to work with keys for a Mesh Network.
But I have some questions about who generate the keys and what they are used for....
Greatings!
I am sending a packet with data in it from my custom board with nrf51822 to my android phone using cahnged ble_app_uart. The packet is being sent 8 times before...
I have the Thread Coap examples running on two nRF52840 dev kits (coap server + coap client). When I try to check the coap traffic with a sniffer + Wireshark, Wireshark can...
Hi! I am trying to control volume up/down, and for the future possibly a few other functions within the ID 3 tag of the HID descriptor.
I am using the ble hids mouse example...
I am working on nRF52840 Preview DK. I want to generate a square wave with accuracy of ON and OFF time = 1 microsecond using timer for driving stepper motor DRB8825.
I...
I'm experiencing the same issues as a previous poster that went unresolved: devzone.nordicsemi.com/.../
With 1 or 2 peripherals (sensors), the connection works fine. With...
I have Nordic nRF52832 mini beacon device. How can i change UUID, Major,Minor values from Android and iOS app. Is it possible to change the those values from app ? If yes...
Hello, I want to measure the impedence of PCB antenna designed for nRF52832 based board.
I have the following quires.
Is it required to isolate antenna from NRF52832...
Hi,
I'm developing a server model and a client model(Both example are modified in accordance with the example of light_switch). In the example of client, I use the API...
hello friends,
i need to control 4 LED brightness using PWM according to accelerometer values. how can i do that
i am using SDK11, nrf52832, KEIL MDK5
i going to...
Hello,
Am using Freertos with SDK 13.1 and SD 4.0.5 on custom board.
My question is about buttons,We have one button need to configured for BLE Button.
I have board_custom...
Does the PPK require a Dev Kit (nRF5x kits) or a Segger J-Link, or is there a way to use it to measure current without either component? The user guide only shows setups with...
I have nRF52840 preview DK and want to read advertisement packet using nRF connect android app. I have read that Samsung galaxy S8 has Bluetooth 5 support. Has anyone here...
I am working on nRF52840 Preview DK. I want to generate a square wave with accuracy of ON and OFF time = 1 microsecond using timer for driving stepper motor DRB8825.
I...
