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 am using Ubuntu 16.04 (64-bits) OS.
I installed JLink_Linux_V620b_x86_64.deb and was using nRF5x-Command-Line-Tools_9_6_0_Linux-x86_64.tar
I can capture the...
Hi,
I use SES import my keil project, and my keel project work well. With SES, i meed a problem, that is , i have a global variable like this:
uint32_t g_ulMainLoopCounter...
Nordic51822 no external 32.768 k of crystals in the routine what configuration
Use this routine
nordic\nRF5_SDK_12.2.0_f012efa-3d\examples\ble_peripheral\ble_app_bps\pca10028...
When I am stepping through my application code crashing at
memset(&cccd_md, 0, sizeof(cccd_md));
"Setup information:
IDE: Using IAR
Device: nRF52832
Soft...
I'm using the NRF51822 for a project that will be powered by a lithium battery. I'm wondering if it would be safe to use a diode ( such at this one ) to drop the 4.2V LiPo...
This question has to do with the observed "recursivity" of the calls to "app_sched_execute" in SDK13 as described in the previously asked question below:
devzone.nordicsemi...
Hello,
For BLE, there is always an ACK in link level no matter it's write/read/notify/indicate.
How about 2.4G proprietary mode? Is it possible to just send a data without...
Hello,
I am using the nrf52832 with SDK v12.3 and PCA10040. Not using any soft devices, nor the RTC. The program is intended such that timer0 is set to toggle a pin (P0_11...
Hi,
We are working on Automotive project using nrf51824. below are some queries ,
We are basically want to use the chip as a Bluetooth to Kline(using Uart) bridge ....
Hi,
we would like to start a new product (update a design) and add Apple Homekit feature because ""Apple will now allow any registered developer to start building a HomeKit...
As i am new in embedded programming,I was trying to connect MPU 9250 with nRF52 DK by using given examples. now it is showing error
#error "No MPU defined. Please define...
i'm new in BLE, now i have project with nrf51822 and sdk 11.0.
in chip arm like STM, MPS or PIC, avr. when byte come, we have a flag set 1 to notice that there is one byte...
Hello,
Is there any way to check if the bluetooth is connected after NVIC Reset?In our project when we get a specific command from the UART, NVIC reset is done.After the...
