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...
Hello everyone:
i'm testing the iot SDK 8.0, but got some problem with that.
Using the CoAP observable server example with it.
env: pca10028 + ble dongle + raspberry...
Hi,
What is the maximum rating for the nRF51's input RF level? It is not specified in the Product Specification for 51, though it is for 52.
Thanks,
Steve
By the migration of my application from nRF51 to nRF52, I can't compile the Nordic driver: nrf_delay.c
The IAR-Compiler gives that output by the build:
Error[Og010]...
Hi ,
I am using 2450bm14e0003 this instead of LNA circuit provided by NRF24L01P-R7 .Is it better to use this balun Ic or i should use the circuit provided by nordiac only...
I want to make a Bluetooth connection with nrf51422.
I am using the Keil software.
But I do not understand what the program will do the bluetooth connection.
Can you help...
I am running the Blinky code provided in nRF52 SDK examples.I am not able fix this error pointing at nrf_delay_ms. This function is hard to explain. Moreover I don't know...
To test one functionality, I am sending 1Kbyte of data to smartphone using nRF51 Uart example code.
I have tried testing with different baudrates, 9600, 115200, 38400,...
Hello,
I have an existing microprocessor application that I want to test with the nrf51822. I am currently using a different BLE chip. I do not want the trouble of porting...
I'm having a strange problem. I'm running the nRF51-DK with a dual-bank bootloader, S110 soft device, and my app under gcc. I'm using Eclipse Luna as my develpoment/debug...
When i added timer in my bluetooth code my board will not advertise.using pca10028 and nrftool box uart app on iphone 5s.
here is my complete code. Using timer1
Final with...
I'm using the 0.9.2 SDK SPI slave example to connect to a SPI master (Atmel SAM4S). When I initiate a SPI transfer from the master side I can see that all the data arrives...
Hello,
I have been going through devzone questions to figure out how to enable the default debugging messages through Putty for the ble_app_proximity example project from...
Hi:
I make the gazell ready, and I need an extern PA(RFX2401) for a long distance commuicate. But there is some trouble when enalbe the PA.
My function:
Host:
pin_Set...
Hello,
I am using ble_app_multilink_central example as a foundation of my app involving central - peripherial connection (S120 - S110). My app works nicely but i have problem...
Hello, I am trying to establish a connection between the nRF52 board and the USB serial converter TTL-232R-3v3.
The setup is such that I connect the converter cable to...
