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 have a set of characteristics on my ble peripheral (nrf51) which I display with nordic control panel tool (android). but when I deleted one characteristic on the peripheral...
Hi, I am evaluating the use of Gazell and BLE as a possible solution for my project. I had heard that there was a way to have both BLE and Gazell running on a device at the...
we will do some measurments and answer when we get some time to spare for this. Others are welcome to answer/comment freely about their experiences/knowledge.
I have some custom hardware (nRF51822) with a couple sensors on it and would like to have the data sent via BLE to a smartphone. This may be timer based on triggered by an...
Hi :
I want to update the firmware of 24le1 over the air ,follow the 3 step ,fail.
download "rf_adapter_nRF24LU1P.hex " to the nRF24LU1 by nrf6310,and connect to PC...
I am using the nrf52832 to communicate uart with hw flow control and a baudrate of 9600 and fifo.
Everything is going well most of the time, but sometimes the other device...
I write an infrared receive driver on example ble_app_uart with softDevice 6, but it not work after I use softDevice 8.How to fix it ? Is there an offical infrared receive...
I'm trying to generate a 1kHz PWL and call a function every 1ms the code is below.
My initial though was to set TASKS_CLEAR once the timer reached the max pwl value.
Oddly...
Hello,
I am using multilink central example to connect to multiple peripherals. But I am facing a problem in connecting 2nd device.
After connecting the 1 st device, upon...
Hi,
the S130 supports multiple connections for the Central role. Is it possible to connect to multiple devices at the same time? E.g. calling sd_ble_gap_connect() asynchronously...
Hi,
My aim:To change the UUID,Major,Minor value beacon
What I Have done:I created one custom service with 3 characteristics.Each characteristics for each parameter.I am...
When compiling C++ code that includes ble_gatts.h you get errors like the following:
C:/....../nrf51822/Include/s110/nrf_svc.h:21:6: error: impossible constraint in...
Hi,
I can execute the heart_rate_collector example code on Ubuntu PC when driver is communicated through Segger JLink. But I'd like to use GPIO pins of nRF51-DK as communicating...