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...
Hi,
My provisioner is a light switch client on a dev kit NRF52832.
Now I want to define it as a proxy node as well but I suspect that my Android App cannot send one generic...
Sorry I'm looking in the AoA.
I See that in zephyr main line there are 2 samples :direction_finding_xonnectionless_rx direction_finding_xonnectionless_ tx..
Hawe I to...
Hi,
I am trying to program new chips. I have made the following connections:
Chip J-Link ------------------------------ Gnd Gnd SWCLK SWCLK SWDIO SWDIO VDDH 5V (External...
Hello:
We have a BLE application on an NRF52840 with SD 140 and SDK 1.5.3. Our device acts as a BLE peripheral with bonding and LESC, and we additionally use block level...
Hi,
We have designed the custom PCB where 32.768 kHz crystal oscillator is required. Some how we have managed the component (MFR PART NO. TF325J32K7680 ) suggested by Nordic...
Hi, I came across a forum post that NRF51 had an issue with noises in SWCLK signal.
For the design, do I need to attach an external pull down resistor in design? If so,...
Hi good evening,
i am working on a project that requires ble transmission between 2NRF52dks and one of them is connected to a PC and apart from receiving data from another...
Hi Devzone,
I have 2 question about Thingy 91:
1) When I come to area that don't support NBIoT or LTE-M, Does the Thingy 91 connect to cloud (nrf cloud, mqtt broker,....
We have developed an Android application for a customer (Ibiza) which makes use of nRF's Android-BLE-Library ( https://github.com/NordicSemiconductor/Android-BLE-Library ...
I defined a timer and start the timer when application open gps, it can prevent the timeout of star search failure; When the gps search star successful, I will turn off the...
Hi,
Now I using the nRF5_SDK_for_Thread_and_Zigbee_v4.1.0 to develop the zigbee function on nRF52840,
I am using the light control Example,
it provide two examples to...
Hello,
I'd like to know how to interface with the SDK libraries(as a "beginner") and ask how do you approach such a thing and learn how to use it? let's take for example...
Hello,
I have an xon / xoff flow control implementation with nRF52833 DK.
The setup is the nRF52833 DK is connected to the computer through USB cable.
A python script...
So far, since UART has been working well, now, we are switching from UART to RTT to remove UART port connection from our PCB design.
However, the output to RTT is working...
