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...
I am now based on nrf52832 SDK14.2 development, nrf52832 as a peripheral device, I want to connect with IOS phone, nrf52832 provides HID Service, but when connected with Android...
I am experiencing the following compiler error:
In file included from ../../../integration/nrfx/legacy/nrf_drv_uart.c:41:0: ../../../integration/nrfx/legacy/nrf_drv_uart...
I have some question about nRF52832 Bluetooth Firmware upgrade problem:
1. I have a device with nRF52832 in my hand. If I don't use the JTag interface, how can I confirm...
Hi,
We are using Nrf51 with SDK nRF5_SDK_12.3.0_d7731ad
We based a UART bridge on the BLE_APP_UART example
The UART connectivity is Rx/ x only (RX_PIN_NUMBER 0; TX_PIN_NUMBER...
Hi,
we've noticed that after performing an OTA DFU, the Bluetooth Address of the device changes as follows: new_address = old_address - 1
Example: Address before OTA DFU...
Hi there,
I am a beginner to the nRF series and I had the following question.
For a battery powered system, is it better to run the nRF52840 at a lower voltage such...
Hello,
i'm trying to program on 51422. The BLE signal,which runs well on 51DK, doesn't trigger any signal on my own PCB. i've successfully light the LED on my PCB. i think...
Hi,
I'm using nRF52832 and I'm trying to switch from SDK15.0 to SDK 15.2. While I've been able to install micro-ecc library in SDK15.0 and use OTA DFU, somehow I'm stuck...
Hello.
I want to integrate UART and SPI ,I am using SDK15.2. The problem here is i am not able to add app_uart.h to main.c(spi).
My question here is how to add it to main...
My working platform is nRF52-DK, and I want to execute DFU firmware upgrade
1. How to create a Bootloader Image? Which Source-Code of SDK_15_2 is used to build the bootloader...
The RTC documentation states that the LFCLK source needs to be explicitly started by the software.
Is this step necessary when using the SoftDevice? As far as I know, the...
I'm not sure about how does the ble_app_att_mtu_throuthput example works exactly, i supose the throughput test runs as follows:
1 tester defines a service 'populated' with...
Dear all ,
Working with nRF52832 (currently without SoftDevice), and there some issues regarding the project current consumption that we need to understand:
1) In the...
