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...
Hi,
I have setup a provisionner with the sdk example that can provision devices. For that the provisioner scan unprovisioned devices and can start a provisioning process...
Hello,
I am trying to see how the signal strength for Zigbee and BLE changes when the distance between two nR5340 DK increases.
I used central_uart and peripheral_uart...
Although my Googling skills are not the best I have, so far, been unable to find any examples or driver documentation for the comparator peripheral of the nRF52840 for the...
I'm using the asset_tracker app on a custom board and have built 50 of the custom boards. All but one of them start the modem and listen to the LTE receiver for a full minute...
Hello, I followed getting starting guide, and got SDK and tools installed for nRF52-DK, I'm trying to open, build and run some examples. But when trying to open any example...
Hi.
I am using nRF52840 dongle and running saadc example on it.
To print the ADC data buffer "p_event->data.done.p_buffer" in PC, I am using USB_CDC. The size of SAMPLES_IN_BUFFER...
I have implemented the custom service and added custom characteristics following the tutorial series, now I can connect and see the characteristics and their values. I can...
My NRF52DK (PCA10040) J-Link always shows SWD speed 1000 kHz, even if I set the speed to 2000 or 4000 kHz. Is it not possible to connect at higher speeds?
I was working with "Debug configuration" for my nrf board on Segger Embedded Studio. It was working perfectly. But when I changed it to "Release configuration", It doesn't...
Hi everyone,
I am using nrf52840 and I want to change the advertising name in bootloader from "DFUTarg" to a custom name on application side.
For unbonded one, I saw...
Hi,
I'm using the provisioning example from the mesh sdk and I have an "ASSERTION FAILED at :0" error when I'm trying to re provision a node that I have provision before...
Hi
I try to understand where does the interrupt proirity for UART is set.
I see that uarte_1_init() is called from uart_nrfx_uarte.c.
uarte_1_init() is declared from...
Hello I am using sdk v17.0.2.
I found a problem with Bluetooth connection while using 'ble_nus_data_send()'.
the system will stop if disconnect the Bluetooth while transferring...
Hello
I'm asking a question because there's a part that doesn't work well while using ble_nus_data_send().
There is a problem sending continuous data to the app using...