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 expert,
I just jump from TI. Could anyone tell me if nordic has any chipset like TI CC1310 which supports direct access to the receiver I/Q quadrature samples?
...
The Thingy91 GPS system sensitivity is terrible. Getting the GPS to lock on takes forever, and many times doesn't lock on at all, and if it does lock loses the connection...
Hi community ! Here : https://devzone.nordicsemi.com/f/nordic-q-a/62414/different-behaviour-with-same-program-and-boards i get some problem with different behaviour when programming...
I'm using the Laird Connectivity BL654-DVK board as a basis for evaluating the nRF52840 for our application.
I started by using the .../examples/ble_peripheral/ble_app_hrs_freertos...
Hi,
When we do the UART stress testing with serial_lte_modem sample, the slm will crash by sending AT commands with interval 100ms.
the debug log will show "<wrn> at_host...
Hi ,
I have question about the specification of CPU running current. We did measure the current by PPK to force the CPU always running but the result is quite different...
Dear DevZone, I'm trying to perform a BLE OTA DFU with two nRF52840 Dev Kits. I followed the step by step guide from Nordic provided at the following link: devzone.nordicsemi...
Hi , Dear Nordic supports:
I am using NRF52832 for the iterative development of a product. In the previous generation of products, I used a PWM control LED flashing, whose...
Hello.
Could someone recommend me a verified antenna RF Switch for AoA using Bluetooth nrf52811 ?
What parameters are crucial for proper functionality with nrf52811? ...
Hi,
In ble_app_cts_c example(SDK 16), is it necessary to perform app_timer_init()? Because I could see that, no timers are being setup in the function timers_init().
If...
Hi,
When I read about interframe spacing in the product spec ( https://infocenter.nordicsemi.com/index.jsp?topic=%2Fps_nrf52840%2Fradio.html&cp=4_0_0_5_19_8&anchor=ifs ...
I have a nrf52832 chip acting as a serial passthrough to an external app. Basically, it works great, unless I start sending high amounts of data into it. Once I do that, I...
I am developing an IoT system in which I need to link multiple devices to a master, which is why my nRF52810 chip caught my attention so I am interested in knowing how many...
