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...
Dear Nordic Engineers
I encountered a problem.I used the nrf5 sdk 17.0.2.I modify ble_app_hrs example.I found that if I turn on pairing, when I erase the flash, the pairing...
I'm using nrf52840 for my product. when testing the Bluetooth RF of this chip, I found that the carrier is offset by 200kHz. i read many similar problems, it seems that the...
Hi, after adding some functional to bootloader an error occurred: section .tdata overlaps absolute placed section .mbr_params_page how to calculate the size need for mbr_params_page...
We have a 52840 based beacon with two versions. Both have exactly the same firmware and PCB, one has a N52840-Q1AAD0-2025KR written on the chip and the other has N52840-Q1AAD0...
Hello!
Im having problem running the PPK II on my PC with Ubuntu 20.
The device attaches to the PC, is visible as `/dev/ttyACM0` block device and dmesg shows no errors...
Hi,
I am using as settings:
timeslot period: 600 us
data rate: 2M
channel table size: 4
timeslots when out of sync: 8
timeslots per channel: 2
sync lifetime...
When multiple J-Link devices are connected to my computer, whenever I run nrfjprog without the --snr argument, I get a prompt to select the emulator like this:
Is there...
Hi
I am currently trying to get the antenna switching working on the nRF52833 DK
I have an SPDT RF swtich is this pe42423
VDD -> VDD
LS -> P0.26
CTRL -> GND
...
Hi,
I use FDS to save my data. Below is my fds list. All RECORD already have data from factory production.
#define FILE_ID 0x1111 #define RECORD_KEY_TORQUE_0 0x0001 #define...
Hello,
I'm using nRF52833, pca10100..
My project combines the functions of scan and advertising. Each UUID is different and they pair with a different device. I initialize...
Hello, I have got the Acconeer XM122 module (v2.4) and the Acconeer XB122 module (v1.3). The XM122 is connected to the XB122 which is like a breakout board for the XM122....
We customized our own development board based on Nordic's Thingy91 development board. Now it's welded, the circuit works, and we've flash demo MQTT_simple and Asset_cracker_v2...
Hello,
Im a student trying to use the nRF52811 SoC for a project, i need to design a pcb with the chip and a few more things.
I am planning to use the available reference...
Hi,
I need to create a custom dts for a custom board where I need to define the pins used for interfacing to some external devices. The generic "gpio-leds"/"gpio-keys",...
hello Nordic
i have a project than works with nrf52840 and ncs (zephyr)
i want to have the same application running on nrf52832 as well, as part of a single code base...
