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,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hello,
I'm using the nrf52-quadcopter example from NordicPlayground. After successfully building the project and connecting the MPU6050 , I got a hang during sensor initialization...
Hello,
I had bought 3 sets of Audio DK and had managed to brought up in BIS and CIS mode using the default sample project, however the output is mono output. Can I checked...
I've started to get this error when trying to do a DFU update on nRF Toolbox (v5.0.8): "Can not create Firmware".
The same firmware file worked before on the same device...
Hi. I'm using nrf5340. I confirm internal clock(LFRC RC osc) exist,I want to remove external 32.768kHz X-tal. If yes, how can I turn on LFCLK RC oscillator in my source code...
Hi,
I was successfully able to flash the peripheral_uart code to the dongle and then connect to the Nordic APP.
But it does not connect with the UART when in BLE mode...
I am working on nrf52810. I raised the RAM size in the linker file, which is larger than the real physical RAM capacity, for the testing purposes. I anticipate a hard fault...
Hi:
I use mqtt_ Sample routine: MQTT is connected to the server, and I shut down the server. At this time, the 9160 status has not been updated, but is still connected....
Hi
1、Now we connect the VDD to the battery voltage (3.4-4.2), and the VDD_GPIO is fixed at 3.3V. In order to match the GPIO of other peripheral cpus, will all GPIO be connected...
We plan to use the 52840 to make a module with an external flash, if we apply the QSPI peripheral, must we use the P0.23,P1.00,P0.21,P0.25,P0.19 pins recommended in the specification...
I want to run my software on nRF52832. It is already running on nRF52840.
What are the changes I would require making this transition.
We are using soft devices and all...
Hi.
Please help project evaluation.
The project is a BLE HID mouse , it need playback LC3 audio sound sometime.
Can we use HID function and LC3 function at the same...
Hi,
I am unable to connect and program a custom board with nRF52833 after performing 'Erase All' using Segger IDE (V5.66).
Those boards were programmed a few months ago...
Hello! I am a total newb but trying to self-learn embedded programming / electronics. I recently received a nRF52840 development kit and followed instructions at https://nordicsemi...
Development environment :
ARM-GCC version - "gcc-arm-none-eabi-6-2017-q2-update"
nRF SDK version - nRF5_SDK_15.2.0_9412b96
nRF Mesh SDK version - nrf5SDKforMeshv310src...
Burn the firmware of nrf/samples/bluetooh/multi-adv-set, the mobile phone scans the broadcast of 2 mac addresses.
How to set multiple broadcasts of nRF5340 to the same mac...
