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 all,
I've been trying to get BLE up and running on our custom board after writing firmware on the DK. I am able to get other peripherals on our board up and running ...
Hi guys,
I am a long term Nordic user since SDK12 and i know that Nordic does not support MbedOS by any means but maybe you could help me try and understand what needs to...
Hello,
I've a very strange problem with the nrf52838 chip in the ISP4520 ( https://www.insightsip.com/products/combo-smart-modules/isp4520 ).
The nrf52832 advertise...
Hi,
I need to sample ultrasonic signal with PDM microphone. I would like to use NRF52840 PDM module and configure it for sampling frequency of 96KHz. Is it possible? Also...
Hi,
I have used BMD301 BLE chip. I have connected one wifi chip "ESP02" with BMD301 chip via UART.
I am using nRF5_SDK_15.3.0_59ac345 for my ble application firmware...
Hi,
we have a nRF52 DK getting sensor values from a Sensor connected as SPI-Slave. Everytime there is a new Sensor Value (~20 ms) the sensor generates an Interrupt and pulls...
Hi,
While upmerging our project from SDK 15.3.0 to 17.0.0 we faced an issue in the sdc_handler due to usage of a NULL pointer.
In the case SDC_EVT_INIT if the p_event...
Hello,
I am experimenting with PWM for time, I have a setup where I am using three sensor which gives analogue output.
I am using a mux which has two control pins, so...
Hi all
I have just started doing some work with the nRF52840- DONGLE (and hence nRF52840-DK) and am new to Nordic devices, tools, BLE, etc.
Basically for my first application...
I'm attempting to increase the size of the TX Queue in an effort to increase notification performance.
I'm using nRF52840 with an S140 soft device. I use Segger Embedded...
Hi,
I have two nRF9160DKs and I noticed that the SHA-256 digest of the credentials looks very strange
Questions:
1, Why are the digest so repeating? I have installed...
I'm implementing the door lock cluster on the server side (the door lock device), and needs to send event commands to the client (door lock controller/gateway) . According...
