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...
> This is highlight of difference
> between #nrf52840 & #nRF52832.
>
> #nRF52840 has additional feature of ARM CryptoCell.
>
> Is this make #nRF52840 more secure for...
Hello,
Is there a DFU android/IOS library version for my custom app made on C++ available ? I need to implement my own DFU on both android and IOS.
I'm developping with...
Hi
I have made beacon using nrf52 dk
when i measuring power consumption after upoading firmware without removing power it minimum power consumption is 12ua when not...
Hi,
I’m currently trying to design my own pcb based on nRF52 Development Board. I went through a number of pcb files and all of them are associated withnrf52832 without...
i use the keyboard project, bond and pair the iphone7(ios11.2), the iphone display is connected,ok, then i reset the keyboard and erase bonds, the iphone display disconnected...
Hi Dev Zone,
I am attempting to flash a blink led app, based on Zephyr (nrf52_pca10040), to the primo core (contains Nrf52832), through Jlink debugger on a Linux machine...
At what voltage should DCDC be manually turned off for a nRF52832 ?
This thread for nRF51 says:
You must manually disable the DCDC when supply voltage goes below...
Hello,
I followed the steps mentionned in this blog
I did all the required step but I'm still seeing the same behavior.
below is my setup :
I'm using nRF52840 and...
Hi folks,
We got a weird behaviour with our nrf51822(SDK 12.2.0, s130) device. we have built a low power application with following parameters:
MIN_CONN_INTERVAL...
I have tried to understand how data was send from two BLE device. I have had 2 PCA10056 board and I have loaded ble_app_blinky example and ble_app_blinky_c example for each...
Hi All.
I have one question.
I just want to send "volume down key" simplely after connect with android device to take a picture.
I have no idea. and I don't understand...
I modify nrf51 nus in SDK12.3.0 to realize my application, I found when enable uart, the consumption near 830uA , and then call app_uart_close(), the consumption near 5uA;...
Hi,
Is there and C/C++ source code to get float value from 32-bit ieee-11073 FLOAT data type
I need c/c++ code to parse 32-bit ieee-11073 FLOAT data coming from FORA...
Hello,
Using Spi bus with frequency = 4Mbps give me this deformed signals (clock and miso) and when I push it to 8 Mbps I am not able to get the correct values.
Obviously...
