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...
Performance on hardware (cc3xx) is significantly slower than performance on software (oberon). Does anyone have a good explanation for this? I have also tested ECDSA and can...
Dear DevZone,
While reviewing the implementation of x509_crt_verify_chain() in C:\ncs\v2.9.1\modules\crypto\mbedtls\library\x509_crt.c , I noticed that certificate expiration...
in prj.conf
I have several warnings in my application that look like this XXXXXXX set more that once. Old Value "x", new value "x". I am worried that this indicates I...
I have an nRF5340 DK that exhibits unusual power behavior. When I plug in the IMCU USB port (USB connected to onboard debugger), the board briefly flashes all LEDs , including...
I have two projects, project MQTT, that was built around the Secure MQTT Sensor/Actuator sample and project CRYPTO, that was built around the Crypto AES-CCM sample . I am...
Hi
I have one nordic nRF54L15 DK using as peripheral, I want to know the power of it. Thus, I use PPK2 to be a 1.8 voltage source and connect VOUT to P6 pin 1 and GND to...
Hi all,
Has anyone implemented an MQTT client on an 54L15 before? I have been searching the web and I have not seen a sample program or anyone talking about MQTT with 54L15...
Hello, I am trying to update the modem firmware to v1.3.7 using UART using the nRF modem bootloader API. For context, I am running nrf-sdk 2.9.1 and also using the SLM application...
Hi,
What is the lowest possible current consumption for nrf52840 dongle dev board with zigbee ?
I'm using this for development and i'm getting 20-30uA in idle. Is it possible...
Hi,
I am currently evaluating the nRF54L15 dk and porting the old project code from the nRF52DK to the new nRF54L15DK devboard. However, I have encountered an issue with...
Can the NRF54L accept a CMOS output clock signal on XL1? The NRF52s could do this via clock source register settings but such a configuration is not listed in the NRF54 datasheet...
