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...
Hello,
I am using a custom board NRF52382, Softdevice 132_v2.0, SDK 11. Two power supply options are given, battery and USB.
I tried to rewrite UICR register with two...
Hi,
I have an nrf52840 based custom board. For flashing the hex file into our board, we used the nrf52840DK and nrfconnect ubuntu application. In this case I able to program...
Hi,
I'm trying to connect a nordic nrf52832 as an SPI master to an external Flash, and for that I'm using SDK 16.0.0.
Since I wanted to already use the transaction mechanism...
Why does the value of characteristic Firmware Revision, Model Number and Serial Number all have the same value?
Did update value for characteristic <CBCharacteristic: 0x282b1f9c0...
To the kind attention of Nordic team,
About what has been said in https://devzone.nordicsemi.com/f/nordic-q-a/51879/saadc-in-sample-convert , I'd like to know if the blocking...
Dear Member,
I want to call nrf_libuarte_async_rx_free from another file outside main.c
nrf_libuarte_async_rx_free(&libuarte1, (uint8_t *)&GPS.rxTmp, 1);
I got
.....
I was following the article here on programming the nRF52840 Dongle, but am running into issues, and I have other questions as well.
(+) nRF52840 Dongle Programming Tutorial...
2021-02-01 EDBOND Hi Nordic and fellow nrf users
In my project the host cpu is SPI master, Thusthe nrf52 needs to spis slave. Using 2 DK-52 Boards, - nRF5_SDK_17.0.2_d674dde...
Hi,
I am doing some research for the antenna matching of the NRF52832. Now the product specification v1.4 on page 551 states:
"A matching network is needed between the...
How to make the nRF52840 SPI work in 8M with 1.8V supply?
We test the PCA10056 nRF52840 DK board, and find the 8M SPI CLK&DATA wave is very bad. The 8M SPI works fail with...
hi
I tried zigbee tx carrier mode start at 11 channel and tx power = NRF_RADIO_TXPOWER_POS8DBM.
But, When measured with measuring equipment, i got zb tx power -20 ~...
I recived nrf5 SDK V17.0.2
I'm testing with in "nRF5_SDK_17.0.2_d674dde\examples\peripheral\radio_test" folder.
I tried zigbee tx carrier mode start at 11 channel and...
The application I am designing gets a pulse ox measurement from the user, sends it, disconnects, and shuts off. Are there any deleterious side effects of exiting the main...
Is it possible to fill some field when sending advertise message.
We want to change some filed periodicity, so is it possible every time sending the advertise message. ...