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...
Hi,
I have a question regarding the frequency of the SPI peripheral of the nrf52.
According to the Product Specification v1.4, the minimum value for the frequency is 125kbps...
Hello Nordic Support!
The stop bit of the last character is short in the Uart output part, and the other MPUy cannot receive the character. How do I fix it until I send...
To the kind attention of Nordic support team,
I was wondering if it is mandatory that Host and Devices share the very same frequency table, with same size.
Is it possible...
Hello,
Because I have no space for additional transistors on my board I made a design with nrF52840 and rgb led connected to 5V.
Configuration o GPIO pins:
H0D1 Value...
I was wondering if I could get some guidance with regards to the effect of interrupting the nRF9160 GPS during an initial cold fix.
Consider an application which uses...
Hi, what is the accuracy of the humidity sensor of the nRF52 at low relative humidity levels (<10%)? Checking if I can trust the numbers I see in a nitrogen glovebag. Thank...
Hello ,
I am having requirement to use the mesh network with 50-60 nodes and they will be operated with one server. could you please suggest and help for the product.
Using nRF5_SDK_16.0.0 with the example: examples\ble_central_and_peripheral\experimental\ble_app_interactive. The terminal has been replaced by a PC application sending commands...
Hi,
I want to use flash area of nrf9160. To do it, I have created simple example using predefined samples on zepyhr project. My goal is to write a data to flash and read...
I have followed your tutorials on implementing custom service and one on custom characteristics. Everything works when adding only one characteristic. When calling sd_ble_gatts_characteristic_add...
Hi,
I have built my code on top of ble_app_template and im using a custom service. My problem occurs when sending data from an android Samsung S9 (and possibly other android...
Hi,
we have designed the nrf52840 custom board.The programming is working correctly in the custom board using the gnd detect,vtg swdio, swd clk pins.Here the problem is...
