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 to everyone!
I've been testing the Bluetooth on the nRF52832 DK board with some of the examples and I have saved the mac address (obtained from my smartphone).
In...
Hello All,
I was wondering if someone can confirm the consumption of the nRF52840 in SYSTEM ON when running the Power Management Example on the nRF52840 DK board (in nRF...
My end object is to connect the peripheral to one required central. It should not get connect to another central or to the nRF connect app.
I have gone through many example...
Hi everyone ,
I'm looking for the ULPMark score for the nRF52840.
On the EEMBC website, I 'm seeing that Nordic Semiconductor is a partner, but I don't find any information...
Hi,
we are late stage development on NRF52840 with sdk 15.0 and softdevice 6.0. The mind turns to certification. It all seems very complex and confusing
1) Do we need...
I have an nRF52840 based peripheral running SDK 15.3.
I have a custom service with a write characteristic and a read characteristic. The peripheral supports multiple connections...
As far as I can tell the values are inverted.
4.8.2.2.1.1 Occupancy Attribute
The Occupancy attribute is a bitmap.
Bit 0 specifies the sensed occupancy as follow:...
Hello
I am using nRF52 DK, I am trying to use PIN 30 as Pulse train. The following while loop is expected to send out Pulse train of 2microseconds period but instead, it...
As far I know BLE mesh uses the 3 advertisement channels for communication without any synchronization mechanisms. When the mesh protocol emits a package it will send the...
Hi
Why is Mac OS no longer listed as a supported operating system for the nRF Connect SDK (see http://developer.nordicsemi.com/nRF_Connect_SDK/doc/0.3.0/nrf/gs_ins_os.html...
Hello,
I have a question regarding BLE characteristics and bi-directional communication. Assume a service like Nordic UART Service (NUS) is used, then there are two characteristics...
Hi,
we tried the example from the NRF SDK (15.3) with the USBD_MSC. The logging looks good so far and we have a data micro USB connected to the nRF USB Plug of the dev board...
Hello All,
I have 2 evaluation boards nrf52840 EVB "PCA10056".
I would like to run on them the "ble_app_uart" in "nRF5_SDK_15.3.0_59ac345" as following:
A custom board...
I used nrf52832 to port the program from SDK14.2 to SDK15.2 and there was a problem. In SDK 15.2, the program functions normally in the online debugging state, but the function...