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...
Based on nRF52840 datasheet, to configure the QSPI peripheral, it is necessary to activate the external flash memory interface using ACTIVATE task. Our problem here is, during...
Hi,
I am using nRF52832 in a custom board for sending data. I need a reference voltage for my instrumentation amplifier around VDD/2, my VDD is about 2.7 V, so 1.3 V will...
Hi team,
Want to consult you on PA usage, my customer wants to achieve +16dBm PA, so if he has our 840 in +8dBm TX power, only needs +8dB for the PA or we would recommend...
Hi,
I would like to connect two centrals to one peripheral with >= BLE 4.3. I know,
normally one central is connected to multiple peripheral, but in this case,
a special...
I got an error when trying to build the dimming_client_nrf52840 example.
Simple error:
build/dimming_client_nrf52840_xxAA_s140_7.0.1_Debug/obj/ses_startup_nrf_common.o...
SDK 16, S132 V7.0.1, NRF52832, custom device, custom firmware.
Hello,
I want to keep beaconing advertisement (not connectable advertisement) while the BLE is connected...
Hi,
I have a question concerning the SIG qualification. We use the ublox BMD-350 (nrf52832) that is qualified as a component (QDID 101018). I don't really understand the...
Hello,
We are using nRF52840 chip with S140 with ble_app_blinky example.
I was merging Serial DFU bootloader, SoftDevice, application and BLE settings with below commands...
Hi,
I am trying to implement DALI-104 (IEC-62386:104:2019) on top of Thread protocol.
I am using Thread: CoAP Client and Thread: CoAP Server and want to configure these...
Hi,
I wrote my codes to toggle notification on and off using a button using nRF25840-DK and sdk v15. The task looked a simple one; however, I hit some issues such as error...
Hello Nordic Team,
We are working on a project based on nrf51822, we have a problem regarding the incorrect ADC values while waking up the microcontroller from System...
Hello,
I'm developing a custom asset tracker board. My software is currently a very lightly modifed asset tracker v1; my provider currently only support NB-IoT, firmware...
After that one of Zephyr's configuration files was modified (CMakeLists.txt, *.overlay, prj.conf).
How the SES project can be updated in additional to option "Open nRF Connect...
I'm trying to use the board support package (BSP) through a keil software pack, starting from the dfu_dual_bank_ble_s110_pca10028 example. I thought it would be more or less...