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...
Two questions. 1) What is the point of the watchdog ISR? In the Ambiq Apollo 2 microcontroller, the watchdog ISR fires and if the CPU doesn't pet the watchdog slightly after...
Hello I have problem with Mesh Serial Example and Interactive_pyaci, it works just in Debug-Mode. I use nRF52840, nRF5_SDK_15.0.0_a53641a, nrf5_SDK_for_Mesh_v2.0.1, Python3...
Hi I am trying to optimize my nrf51 app for low power. However I can just reach 0,500mA when just advertising (advertisement only is ok for me). Do you know or do you have...
I am trying to integrate the NFC read/write functions in my BLE application. I have used the writable_ndef_msg project functions to start with. The project on its own works...
Hello
For my final year project at Varsity I am creating my own smartwatch + edge computing IoT system. The watch and infrastructure needs to be as low-cost as possible...
Hi,
I am using a nRF52 DK board and programming in python.
After performing a successful DFU over BLE i want my Target device to be disconnected from the nRF board so...
thanks for the answer on the previous post.
What I came to know from our firmware engineer was that your initial version of the Android app could not support
1. multiple...
I want to know 2 things about the nRF Mesh app:
1) Is it possible for the Mesh app to provision non-proxy nodes via the proxy nodes?
2) I think it's possible to subscribe...
I have a project using FreeRTOS with Tickless idle enabled, SDK 11.0.0 alpha and the S132 soft device. Currently the project is consuming ~6.5mA average, ~5.2mA if advertising...
Hi There,
I very new to Nordic BLE application and was looking for method to combine ble_app_beacon and ble_app_blinky togather and having both switching and running at...
Hi:
In the datasheet, there have a description
Input range = (+- 0.6 V or +-VDD/4)/Gain
for a example, if Gain = 2, reference = 0.6V,
input range = 0.6 / 2 = 0...
In the SDK12.3.0 example ble_app_hrs_rscs_relay I want to add a uart to this example I added the uart_init part and the nus part, referring to ble_app_uart. However, when...
Hello,
What are the maximum number of node our nrf52832 and 52840 can support for
Zigbee?
BLE?
Thread - 1000?
Would this number be dependent on the memory size?...
Hi, I am using nrf24L01 for my application. I have to question:
- Is it possible to bypass SB protocol (I take into account possible error in exchanged packets without preamble...
Hello All,
I am following this tutorial.
https://devzone.nordicsemi.com/tutorials/b/bluetooth-low-energy/posts/ble-services-a-beginners-tutorial
I have modified "nRF5_SDK_15...
