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 all,
I am trying to write an android app and (later iOS app) that can connect with the Bluetooth dongle and send data through uart, the Bluetooth dongle has been programmed...
Hello everyone,
i would like to update the sdk of an existing project from 15.3 to the newest 17.0.2. I am developing for the NRF52840.
I am using the serial port library...
Regarding nRF52840 Dongle, how many Bluetooth devices can it receive? The dongle looks promising and since we are looking for a device that will receive data from 16 handheld...
Hi,
I am using nrf9160DK and ibasis card to test LTE-M signal. I can connect the network using LTE Link monitor as the following figure. But I can't use AT+CCLK? to get...
Hello,
I am trying to test nRF52832DK with standalone environment.
Since now, I am testing with segger embedded studio environment(with debugging)
So, I am now testing...
Hello,
Our project:
At the moment we are developing an application with a nRF52840DK as central and a nRF52DK as peripheral. The code on both boards is based on the ble_app_uart_c...
Dear All,
I have chosen NRF9160 device for two requirements - SMS transmit or receive and LTE IOT connectivity [Both are different project requirements].
After going through...
As I know, nRF52 series is produced in the TSMC on 55 nm ULP process. But I can't find any info about the integrated circuit manufacturing process of nRF53 series. Could you...
Hi, I use a nRF52840 with the nRF Sniffer Firmware for capturing advertisement frames and connections between several devices. My question is if it’s possible to capture communication...
I'm writing custom boot loaders. One of the capabilities is to update the network processor from code running on the application processor. The PCD subsystem looks like it...
On 3/11, we received a message from the Nordic "HomeKit Team", announcing that HomeKit support in now integrated in the latest release (ncs 1.5.0) and distributed through...
chip - nrf52840 sdk - nRF5_SDK_15.3.0_59ac345 softdevice - s140nrf52611
Issue enabling usb cdc without softdevice enable.
The COM port does not show up without the softdevice...
Ring buffer operates on uint8_t , but I would like to use ring buffer to store 16 bits ADC data. What is the simplest solution?
Converting 16 bits data into 8 bits, store...
Hello, Guys!
As I know, the Bootloader uses RTC2.
The problem is that RTC2 continues to operate after executing the bootloader, in my Application.
My Application not...
We are using nRF52840-DK and we need to stream the audio to our iOS app that we are developing. But currently, we are not able to get the audio streams back for mic to iOS...
