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 beginning with MESH SDK on Window . I use NRF52832 board with Softdevice S132v3.0 on KeilC5 . I read instructed at infocenter.nordicsemi.com/index.jsp but I...
Hello Nordic:
I am trying to add advertising with whitelist function to my code which is base on
nrf52832 dk
softdevice s332 5.0.0
SDK 14.2
I use the example code...
Dear Nordic support,
In our company we are using application "nRF Connect", in android platform. It works well, however when we try to use it on iOs platform the application...
Hello!
What version|tag|commit of MQTTSNGateway ( https://github.com/eclipse/paho.mqtt-sn.embedded-c ) do you use in Raspberry Pi image? Do you use special way to build...
I had the nrf52832 with BLE 4.2 running just fine with iOS 10.xx and Android phones.
iPhone would SCAN and connect and I could interact with the services on the hardware...
How to select nrf528332 UART clock source, how to make the serial port baud rate not change with temperature?When the baud rate is 9,600, the baud rate varies greatly with...
Hi,
I found this in the documentation for the Timer Library of the SDK 14.
' When app_timer_start() or app_timer_stop() are called, the timer operation is only queued...
I plan to use the flash device driver from Nordic (52840) in a Zephyr system. My plan is to use the <flash.h> api but it seams that this api is not available in a default...
Hello!
I'm trying to read data off of a commercial blood pressure monitor (Qardio arm) using an nrf51822 with the nrf51 SDK v10.0.0 as the central role (s120). I am able...
I am unable to build any example project of nrf sdk for mesh. I have added the SDK root in my global macros as : SDK_ROOT=C:\Nordic_Semi\nRF5_SDK_15.0.0_a53641a . And still...
I run the below code on nRF52DK and measure the power consumption of the chip (using nRF current measurement jumpers). The current consumption is 0.47 mA which is a lot just...
Hi,
I am using nRF52832 board. I want to connect serial mesh example with 'ble_app_uart' . I try to use the same method http://infocenter.nordicsemi.com/index.jsp?topic...
Hello,
I have 8 12-bit ADCs that produce 3300 samples per second, which I will send over a Bluetooth link, so I need a data rate of about 320 kbits/s. I was thinking of...
I get to the point of having the EP0SETUP event being generated, I check BMREQUEST and WVALUEH and see that it's a request for the device descriptor,this is on windows and...
Hi, I am using:
SDK v15 with nRF52840 chip running in soft device s140. I am Using Segger Embedded studio.
I want to update a application( Say Blinky) thorugh DFU. I perform...