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 compile blinky_pca10040
I use IAR EWARM - ARM Cortex compiler
I have a Rigado BMD-300 on my PCB
Use J-LINK EDU
When I try to download and debug, I get the error
"Failed...
Hi
I came across this article:
www.nordicsemi.com/.../Bluetooth-Smart-hearing-aid-receives-stereo-audio-direct-from-iOS-devices-and-can-recognize-and-optimize-settings...
Hi, I want to change some configurations of my beacon such as packet type, UUID, Tx power and so on, in an online manner through the Bluetooth connection(by an application...
Hi I have run into this error when running. However it has just appeared (the FDS did work but now will not initilise.) I am using Visual_gdb.
As per this issue
I have...
Hi,
I am using nRF8001 with a MCU from PIC18F family. I have successfully configured nRF8001 to send and receive data through the nordic UART pipe (I used the app nRF UART...
I am experiencing a strange problem with stopping a scan. I am using the mesh from github.com/.../nRF51-ble-bcast-mesh together with interval scanning, meaning start scanning...
Hello Nordic developers,
I was tracing through the new SD init code in the HRS example app for nRF52 and followed this macro into softdevice_handler.h. Is it supposed to...
I am planning on using:
NRGF51822 CDAB WCSP (= 128KB Flash, 16KB RAM, 3.5x3.5mm)
Another main chip I will be using is:
LSM303AGR ( www.st.com/.../en.DM00177685.pdf)
...
Hi
In my application I have a function that takes about 1 ms, in which timing is critial.
(I cannot allow even a few us change of the timing inside this function).
When...
Greetings, and thank you ahead of time to anyone willing to lend some advice.
I'm implementing application-layer security by requiring central devices to supply a user...
Hi,
I am having some trouble getting the nrf51422 (running the s130 soft device) to wake up after entering sleep mode. I have successfully entered sleep mode using NRF_POWER...
Hi,
I am trying to work with ble_radio_notification.h. When I import this file to my main.c, I have "No such file or directory error". When I try to add it to nRF_BLE folder...
Hii every one,
We are working on a project where we are using a temperature sensor LMT01, its giving a pulse output the pulse out is from 220mV to 600m. So I'm using lpcomp...
