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...
52832's PDM function. After initialization, call the nrf_pdm_enable function, and then call the nrfx_pdm_start function. NRFX_PDM_ENABLED is set to 1. But the clock pin always...
I am evaluating the NRF52810 (using the PCA10040 dev kit), and I am having a hard time getting down to the described power consumption of the chips. I am using the power profiler...
i have done ble_app_template writing values from nrf app connect, in that i have send only integer values from nrf app connect
now i want to write float values from nrf...
Hello,
I have enabled the watchdog timer in nrf52810 with below code
NRF_WDT->CONFIG = (WDT_CONFIG_HALT_Pause << WDT_CONFIG_HALT_Pos) | ( WDT_CONFIG_SLEEP_Pause << WDT_CONFIG_SLEEP_Pos...
Hi,
I have some problem with experimental_lpn project from sdk_for_mesh. (Today I tried both sdk 3.2 and 4.0)
Code loads and starts ok on my PCA10040.
After first steps...
I use NRF52840 Evaluation Kit.
I want to use TIMER with nrf_drv_timer. However, I get an error and cannot use it. The error is the following part of "nrfx_timer.h".
...
Hi ,
I'm writing some code of mine , declaration functions all well defined and compilation no error or warning but only this 1 error at end of my code.
I'm using SDK...
To whom it may concern,
I am testing SPI Slave and I have an issue that I am not able to change the pin numbers in the peripheral configuration for SPIS0 and 1.
It works...
Hello,
we have developed a solar powered LED module with an additional battery. It is based on the nrf52832. The WDT and TWI is mainly used and for BLE the soft device...
Hi everybody,
I am developing a wireless interface on an nRF52840 chip (Laird BL654) and I do have a problem with the SDK integration in Keil uVision.When "Manag(ing) the...
Hi,
i have PCA10059 dongle board. when i want run my program on it, fds_init return FDS_ERR_NO_PAGES. and also in nrf connect i can see range of different application...
