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
My product is ready for mass production, before start to sell, we need to do the Bluetooth qualification, we asked several local test labs, they told us that their test...
Where can we by a connector that fits into the antenna connector.
We have nRF51-DK development kit and want to connect to externa PA with an antenna connector and have trouble...
Hello Guys,
I'm implementing the ble_app_hids_mouse. I can pair with Windows, I see the mouse arrow moving around etc everything looks good except when I tell Windows to...
Hi,
I have successfully enable the app_timer module which toggle an output pin on every interrupt, and now I want to enable an interrupt on every 400us with %10 accuracy...
I want, without success, to wake-up from SYSTEM OFF state, send advertisements with some custom data and go back to sleep.
The counter value is always 0, instead of being...
Hello,
I use nrf51422 to connect the ANT device(Heart rate monitor) and it can work .
My question is ,
I want to assign a new device_number to 51422 and use this new...
Downloaded an used the latest (2 months old) code from DFU-Bootloader-for-nRF51-Evaluation-Kit
After it didn't work out the gate, I've attempted to narrow down and root...
Hi
In the new SDK 7.0.1 a new characteristic "Revision" was added to the DFU service. What is the meaning of this revision? In the bootloader library of the SDK the value...
Hi guys,
we are currently evaluating the nrf51422 chips for our product. We have ordered the N5 Starter Kit from Dynastream and were able to flash different sample projects...
Hi,
I have successfully add the characteristic user description into all of my characteristics.
I used master control panel to verify that my characteristics has characteristic...
A lot of the SoftDevice documentation I have been reading indicates that "Appendix A: SoftDevice architecture” in the nRF51 Series Reference Manual is prerequisite reading...
I read from this news that it is possible to have wireless charging using nRF51822 chip.
www.nordicsemi.com/.../Nordic-Semiconductor-announces-Bluetooth-Smart-solution...