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 currently testing Buttonless DFU using SDK 12.3, nRF52832 DK. Example test was conducted first using the DK board, but as you can see in the picture, it will fail...
Hi,
I have a MQTT-sample based application running and everything works fine. If I supply the DK through a USB cable connected with my computer, LED 5 blinks high frequently...
Hi,
I am using nRF5 SDK 15.2 and the twi_sensor example to read over I2C a slave device 'WhoAmI' memory location. I first tx the slave address (0x68) and then attempt to...
Hi,
I am using nRF52832 mcu, trying to run the flash data storage example but is having some trouble.
I followed the instructions to set up the terminal setting for UART...
Hello
Hello Using nRF5_SDK_12.3.0 examplesble_centralble_app_multilink_central as a host to send data to slaves and receive data from slaves is no problem. The problem is...
Hey,
I would like to send an audio file (Mp3 format) of 4 MB between nrf52 DK and mobile. How can I able to transfer such big data through BLE, I would like know how data...
Hi,
I am trying to implement capacitive touch with nrf52832.In our application we require three events to be generated.
1)On holding for 3sec(Device Turn ON)
2)On holding...
Hello Nordic Pros,
I haven't been able to chase this one down on my own, so any help is greatly appreciated...
We are developing a product and app that connect to either...
Hello,
I'm using the rigado BMD350 in a new device with the legacy BMDware (AE firmware).
I'm have enabled the uart service and i'm debugging the transmission using the...
Hello,
I am trying to use the CLI example, but when I compile and upload it, LED1 does not blink and I do not get anything back on the serial port.
There is no error during...
Hi,
According to the data sheet, nrf52840 supports XIP mode on QSPI flash. Can we configure I2S(easyDMA) to load the tone from external flash with XIP address and play it...
I use a motion sensor interrupt and 4 buttons and one charge interrupt, all works well in product development, but after go into mass production, some pcs product( 1 or 2...
On the previous nRF51822 project the SWDIO pin could be used for nRESET.
The nRF52832 Product Specification and example code program nRESET to P0.21.
The Product Spec...
Hi,
One of my customers examine the feasibility of using nRF52832 as Peripheral only ,his mandatory request is Security because the product is an electronic lock.
Please...
