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...
first of all many many thanks for nrf sniffer 2.0 and all of it's improvements (linux, live data display, easy install ... etc)
i'm sure there are still a lot details missing...
I am trying to use the nRF Connect v1.0 RC with the pca10040 board. I followed the instructions of your [page] and when i open the serial port i got an error (Error occurred...
I am using nrf52832_xxaa with SDK v11.0.I tried writing into the APPROTECT register by using the code below
sd_softdevice_disable();
NRF_NVMC->CONFIG = (NVMC_CONFIG_WEN_Wen...
Hi, as per subject, I would like to know the trade-offs of using the internal DCDC vs LDO when it comes to RX sensitivity specific to the nRF52840-QIAABB variant.
From this...
Hello,
I am using the nRF840 PDK for testing the radio communication.
During my tests, for TXPOWER=0xD8(at minimum), I found a gap of 7 dBm between the radio output...
Hi, I am trying to connect the nrf52840 to GPS module, and I hope that the dk could read the GPS information via UART. I try to modify from this example nRF5_SDK_14.2.0_17b948a...
Hi,
the following are the TX's current consumption for 0 dBm from the datasheet:
I assume the second line refers to the measurements when the internal LDO is used...
Hello,
I know how to update the application through OTA at the moment, I do the following steps:
set the device run in DFU mode by writing 0x01 in Experimental...
Hi, Nordic engineers
I checked there is one error function in nRF5_SDK_12.1.0_0d23e2a:
in nrf_esb.h
uint32_t nrf_esb_get_rf_channel(uint32_t * p_channel);
but in...
Hi,
I have 3 nrf51822 devices. Two of them act as peripheral and one acts as central. Each peripheral is used in a wheel and they are the 2 wheels of a cart. Central is...
The latest Objective Spec nRF52840 Objective Product Specification v0.5.1 got me a little confused since I was working off of v0.5 until few weeks ago. My application is a...
I'm using SDK 12.2 with Softdevice S132 V3.0.
I try now the migration to the most resent SDK 14.2 with its Softdevice, because it seams there were several bugs fixed in between...
I am trying to use a dht sensor and arch ble device to display temperature on the console. But when I flash the program on to the board, I cant see the output on the console...
Hello Everyone,
I have developed my application using BLE for connect android mobile. I have design complete PCB using your reference design. But i have littele confused...
Hi guys,
I follow this link and do the configs on the Keil project in examples\dfu\bootloader_secure_ble\pca10040 to run on nRF52810.
But I find that the micro_ecc_lib_nrf52...
