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,
nRF51822 use ESB to communicate with LE1,they both use ACK and retransmit.
In the beginning, 51822 works at RX and it can receive data from LE1;Secondly, 51822 turns...
There is " error: expected identifier or '(' " found on line-8 of header C:\Keil_v5\ARM\Device\Nordic\nrf51822\Include\nrf_delay.h. What's wrong with it?
How do I know...
I found many relative topics about improving throughput for ble link on this website. And this one How do I calculate throughput for a BLE link? told me how can I calculate...
Hi!
Whether there are any special requirements for SPI chip NRF24LE1 labeled NRF B 24LE1D ?
My programmer (mPro) do not work with this chip SPI.
rergards,
Andrii...
Hi all,
I am new to the EE/hardware world. Coming from the CS side, I am trying to grasp little bit of knowledge every day.
I looked at the reference designs and am...
Hello,
i have just a short, easy question, but i couldn't find the answer in the datasheets.
Normally the ports on the 6310 board can deliver ~3.3V. Is it possible to...
Hi,
I cannot find "Master Control Panel" for MacOS, can I test with iOS or MacOS itself? None of them seems to able to discover my PCA10001 running S110+nAN36 LED.
Thank...
Dears :
we will use WLCSP package. And, we want to know more information about it as below:
1.Marking side is strong enough right?
2. We only need to take care of side...
Hi,
I am new to ble stuff. I want to write a hex value (0403FEA27469) to a characteristic on the heartrate device.
Following is what I have done so far.
Can anyone...
I am trying to send some data between devices using the micro esb library while still running the BLE peripheral stack. My code is based on the sample nr51-micro-esb. Are...
I was using TIMER1 PPI and GPIOTE to setup a PWM signal on a GPIO line. This PWM will start and stop after 1 seconds. I used led.c to based my code. I was starting the Timer1...