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,
My problem is that i have seen a reduction in throughput with android oreo in a huawei p10. Before the update i was able to send two notification per connection interval...
I use PCA10040 development board. COM port suddenly stopped working. The issue is visible also in Device Manager:
Google suggests that this issue is caused by Windows...
Hi
We have project where we want to use a nrf52 in an remote keypad for control various devices.
For investigating the capabilities I have tested the ble_uart and ble_blinky...
Hi,
I've been working on a project where I need to send data from UART over mesh, I managed to create custom model for sending string data over mesh, I did merge UART example...
Hello. I have SMARTMP3 Board and NRF52832. The vs1053 works fine on the arduino. But it doesn't work on the nrf52832. I use these connections: #define SCK_PIN 3 #define MOSI_PIN...
The NRF52840 appears to only come in a dual row QFN package and in the reference material, the only way to break out the second row is with an in-pad via or a very small trace...
Hi I am trying to use a different base UUID template than 0 x ABCDxxxx-1212-EFDE-1523-785FEABCD123.
For my services I would like to use 0 x xxxxABCD-1212-EFDE-1523-785FEABCD123...
From what I understand the clock source for the example ble_app_uart is the 32 KHz external crystal. Please, see the screenshot of the CMSIS configurator:
How do I set...
Hi all!
I use the ACM_CDC USB class to transfer a batch of data (150MB) from the MCU (nrf52840) to the host. Currently, the system reaches up to 100KB/s upload speed, although...
Hi @ll, I have the following problem: There are three unprovisioned devices with UUIDs containing a 0x0A byte but the scanner within the pyaci script shows 0x00 instead. Device...
Hi.
To avoid via in PAD I like to route a signal/pin from the inner row (closest to center) through a pin in the outer row.
However, to be able to do that I must be sure...
We are using SDK_13.0.0_04a0bfd and want to change the location and size of the bootloader in flash. But when we do this, the bonding process in the main application doesn...
I'm a newbie to nRF5... I just installed latest IAR, nRFgo, Segger J-link & nRF Connect on Windows-10. Segger J-link appears to have updated nRF51 Dongle to 6.3. I get the...
I'm developing firmware for a client that includes a connectable beacon. I'm using code based on a Nordic example, though I can no longer find the original. I'm trying to...
