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...
I would like to program the 52840 with the HCI_UART sample to use it for Bluetooth scanning. I did this and lost the USB serial out. I now understand that on the Thingy91...
Hello,
I am evaluating the nRF52840-DK. I just want to play around with Nordic for awhile to determine if I want to port my current project which is written in C++ for Teensy...
I want to run various applications in some cases
what I want is :
In general, it runs own application.
When external memory(SD card, USB, EEPROM, etc... something...
Hello All,
I have developed advertising init in 14.2 sdk (in segger ide).
(working on nrf52810 board)
I wanted to migrate same functionality to 15.3 sdk so how i can...
Hi everyone! I am using the STM32L4xx Sensortile to transmit accelerometer data from the Sensortile Acceleromter. The characteristics of other functions are shown on the nRF...
Hello guys,
I wan`t to make an project that send trough serial port a new image to flash my nrf9160.
By the moment I managed to send and recieve data but only on uart0...
Hi,
Iam running the BLE uart and zigbee light multi protocol example. Using the latest thread and zigbee SDK v3.2.0. The example is quite good. That the door(zigbee+BLE...
Hello,
Where do I find the plating material information for the following part numbers? is it Matte Tin?
Nordic Semiconductor nRF51822-QFAB-T
Nordic Semiconductor...
I design a 4 layer pcb which include nrf52832. But i'm unsure what rf trace width should be on 4 layers pcb?
This trace 30mil width and 5mil clearance for 2 layers pcb as...
Hi,
I am using NRF52. i have custom board on that external flash and SD card is not available. i want to use msc class so that i can drag and drop file and read it in controller...
Suddenly my app, running on iOS 7, is reporting lots of spontaneous disconnects by the peripheral device, an nRF51822, indicating a timeout:
didDisconnectPeripheral: Peripheral...
Hi !
I added " Read Characteristic" in NUS.
How can I get different values every time I click "read again"? For example, read the value of a varying ADC from here. ...
I am investigating increasing throughput in our application. Upon investigation both with our software and the ble_app_att_mtu_throughput example code. I found that there...
Hello! I want to develop such a functional: nrf52840 receives a line from my application that it saves to memory, and then, when I click on the button, it returns this line...
Peripheral: nrf52832
Central: nrf52840
The communication speed after executing sd_ble_gap_conn_param_update is different in the following two cases.
case 1:
...
