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 want to implement a network which will consist of 64 sensors at different location sent to a central node . Can use the nrf51822 with ANT mesh protocol to implement...
I am trying to look at power consumption for very basic use cases to understand how often I need to go into SYSTEM OFF state. I have a development board and am measuring current...
Hi,
Is it possible to to switch between beacon mode and DFU mode (DfuTarg) without the need to press the button e.g.: by using DFU characteristic?
Is nRF51822 Beacon v1...
Hello Everyone!
I want to program nrf51822. I'm using open OCD 0.9. I created openocd.cfg file:
source [find interface/stlink-v2.cfg]
transport select hla_swd
set WORKAREASIZE...
Hi all,
I have a situation in which softdevice (s310 v2) seems not to forward events to my nrf app (bootloader running dfu) in spite of the fact that my iOS app sees the...
I've downloaded S130 SoftDevice and found an example s130_demo_app which contains a project file for Keil v4, but when I am trying to open it in Keil V5 (that is the only...
Hello -
I'm not having any success using my PCA10024 as a dongle for MCP. Here is what I'm doing so far....
Remove PCA10024 jumper from P0.30-GND.
Connect PCA10024...
Greetings,
I am trying to minimize my BOM line items. Can C10 decoupling capacitor stated as 47nF/X5R on the reference design be replaced with 100nF/X5R without consequence...
Hello,
I know that this question was here before, but I've read all of the questions and answers and still I don't know what I do wrong.
I'm using 3 PWM channels to...
Hi,
I modified the uart_example project for the pca10001 board of the nRF51822 evaluation kit to make it work with a UART TTL JPEG camera. So far, the camera can receive...
Hi,
There was a thread about using PAs (and not LNAs) with the nRF51 a while back with some good advice.
One question I still have: is there currently any way to support...
The nRF51 Series Reference Manual v3.0 notes the potential need to set the OVERRIDEx registers in the radio mode to values from FICR.BLE_1MBIT to meet deviation requirements...
hi, i am working on a project which needs a relatively accurate high frquency clock. when i ran my program without softdevice, the HF clock's accurency could fullfil our requirement...
I'm trying to update the 51822 beacon example to work with iOS8 (iBeacon).
So far, I have registered to get iBeacon license from Apple, and setup the tools for compilation...
