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,
Just received the Power Profiler Kit II and started the basic evaluation. I have installed the nRFConnect 3.6.1 with Power Profiler 3.1.2 on Windows 10 Pro 20H2....
Hello,
What is the measurement accuracy of Power Profiler Kit 2?
Do you have any measurement testing you have done internally and can share with me?
Do you have an accuracy...
Hi,
I encountered a problem when I was doing an air upgrade.I use nrfconnect.apk to make an air upgrade, BootLoader will encounter an exception at about 7% when receiving...
I've got a couple of puzzles relating to a 52840 design that evolved from an 52832 design, belonging to a customer.
1) following the suggestions at https://devzone.nordicsemi...
Good afternoon,
I have started to work with the Direction_finding_connectionless_tx software from Zefyr that you published a few days ago. My intention is to load the AOA...
Hi,
We are developing the USB DFU process on the nRF52840 SoC with the Secure DFU Bootloader.
For the ease of upgrading operation at the customer side, we choose the nRFconnect...
I started an evaluation using the nrf9160 DK development board in June, 2020. The project was put on hold but it has now restarted. In June 2020 I was able to successfully...
According to the recommendations a Ferrite Bead (FB1) shall be connected to VDD1 (together with de-coupling capacitors). Should VDD2 also have a Ferrite Bead connected? Noise...
I have an nRF9160 with nrfx v2.5.0 and nrfxlib v1.5.1. We have integrated nrf_modem into our own OS. I would like to use TCP sockets asynchronously, but cannot establish a...
Hi,
I wanted to use my nrf5340pdk board with a MPU6050 sensor.
I am using the zephyr os and they provide an example project for this sensor. The example project provides...
HI,
i want to send a caps lock to BLE keyboard in report mode, but i had tested the sample in central_hid (NCS V1.5.1) and found that: It only can send caps lock in boot...
I need to transfer large amount of data from Android app at 2 mbps (it seems that bitrates about something like 1300 kbps are achievable) to nRF5340 device.
Data is audio...
Hi,
What would be the best practise to sample ADC with nRF52? ADC has its data-ready pin. I have tried use PPI with DMA, but realized that DMA current consumption is not...
