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...
We are revising a design using the NRF9E5, we are experiencing problems with the third harmonic when configured for 915MHz band, the higher we go up the band the worse the...
I am looking to build a custom board using nrf52840 and want both UART and flashing capabilty on the custom board. I have a NRF52840dk that I will use to program the custom...
I want to increase the pull-up resistor value to educe the current consumption.
but, I am afraid that the GPIO input will not be recognized as High.
I want to know the...
Hi,
I can't find this information anywhere in the AT command manual or datasheet. What is the accuracy for " AT%XTEMP?" and "AT%XRFTEST=10,1,0"?
Kind regards,
Thoma...
Hello,
I'm trying to generate project to realise new user-cases with wireless mesh networks.
I did a demo with the Thingy52 at flower greenhouses
They are very interested...
HI! I've done the basic Blinky and UART examples, and now have to move on to programming something on my own. ( I have to send EEG signals from one BLE board to another/notebook...
hai ,
i tried nrf52840 ota over BLE from third party (ESP32).
As per the DFU protocol implemented logics and upto init packet (.dat file) getting expected response from...
Hi, I'm looking to use P15 (Shield Debug out connector) on nRF9160-DK. Description here https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrf91_dk%2FUG%2Fnrf91_DK%2Fhw_debug_out...
Hi I used the light ctl/lc example project and connected to it with my iphone app which uses nordic sdk. I made a slider which sends messages quite often to the mesh device...
We are presently using Raspberry Pi 3 Model B to observe BLE packets coming from sensors that have NRF52.
We are also able to do DFU OTA using the Nordic NRF52840 USB dongle...
Hi,
I am working on a design of very low power sensor, based on nRF52833. Most of the time my device spends advertising only, with sensor data transmitted within advertising...
Hi,
i want to devolep a keyboard by nrf52840,now the problem is some funcation the usb examle have not,so i want to konw how can i add the
1.consumer control？
2.system...
Full error report:
<info> app: Connected <error> peer_manager_sm: Could not perform security procedure. smd_params_reply() or smd_link_secure() returned NRF_ERROR_INVALID_ADDR...
Hi,
My issue is simple as i'm new as developer with API thingy devices and i have this issue that i can't solve with online support.
I'm trying to understand the "Color...
